All Openings

("B03", "Alekhine Defense, Balogh Variation", "e4 Nf6 e5 Nd5 d4 d6 Bc4"),
("B02", "Alekhine Defense, Brooklyn Variation", "e4 Nf6 e5 Ng8"),
("B03", "Alekhine Defense, Exchange Variation", "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 exd6"),
("B03", "Alekhine Defense, Four Pawns Attack", "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4"),
("B03", "Alekhine Defense, Four Pawns Attack, Fianchetto Variation", "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 g6"),
("B03", "Alekhine Defense, Four Pawns Attack, Main Line", "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5 Nc6 Be3"),
("B03", "Alekhine Defense, Four Pawns Attack, Trifunovic Variation", "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 Bf5"),
("B02", "Alekhine Defense, General", "e4 Nf6"),
("B02", "Alekhine Defense, Hunt Variation, Lasker Simul Gambit", "e4 Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Nc3 e6 Bc4"),
("B02", "Alekhine Defense, Maroczy Variation", "e4 Nf6 d3"),
("B04", "Alekhine Defense, Modern Variation", "e4 Nf6 e5 Nd5 d4 d6 Nf3"),
("B04", "Alekhine Defense, Modern Variation, Alburt Variation", "e4 Nf6 e5 Nd5 d4 d6 Nf3 g6"),
("B04", "Alekhine Defense, Modern Variation, Alekhine Gambit", "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4 Nb6 Be2"),
("B04", "Alekhine Defense, Modern Variation, Keres Variation", "e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6 Bb3 Bg7 a4"),
("B04", "Alekhine Defense, Modern Variation, Larsen Variation", "e4 Nf6 e5 Nd5 d4 d6 Nf3 dxe5"),
("B04", "Alekhine Defense, Modern Variation, Larsen Variation, Miles Line", "e4 Nf6 e5 Nd5 d4 d6 Nf3 dxe5 Nxe5 c6"),
("B04", "Alekhine Defense, Modern Variation, Larsen-Haakert Variation", "e4 Nf6 e5 Nd5 d4 d6 Nf3 Nc6"),
("B05", "Alekhine Defense, Modern Variation, Main Line", "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4"),
("B05", "Alekhine Defense, Modern Variation, Panov Variation", "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 h3"),
("B04", "Alekhine Defense, Modern Variation, Schmid Variation", "e4 Nf6 e5 Nd5 d4 d6 Nf3 Nb6"),
("B03", "Alekhine Defense, Normal Variation", "e4 Nf6 e5 Nd5 d4 d6"),
("B02", "Alekhine Defense, Normal Variation", "e4 Nf6 e5 Nd5"),
("B02", "Alekhine Defense, Saemisch Attack", "e4 Nf6 e5 Nd5 Nc3"),
("B02", "Alekhine Defense, Scandinavian Variation", "e4 Nf6 Nc3 d5"),
("B02", "Alekhine Defense, Spielmann Gambit", "e4 Nf6 Nc3 d5 e5 Nfd7 e6"),
("B02", "Alekhine Defense, Two Pawn Attack", "e4 Nf6 e5 Nd5 c4"),
("B02", "Alekhine Defense, Two Pawn Attack, Lasker Variation", "e4 Nf6 e5 Nd5 c4 Nb6 c5"),
("A00", "Anderssen Opening, General", "a3"),
("A57", "Benko Gambit, Accepted, Central Storming Variation", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 g6 Nc3 Bxa6 f4"),
("A57", "Benko Gambit, Accepted, Dlugy Variation", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 f3"),
("A58", "Benko Gambit, Accepted, Fianchetto Variation", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 g6 Nf3 d6 g3 Bg7 Bg2"),
("A58", "Benko Gambit, Accepted, Fully Accepted Variation", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6"),
("A59", "Benko Gambit, Accepted, King Walk Variation", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3"),
("A57", "Benko Gambit, Accepted, Modern Variation", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 e3"),
("A57", "Benko Gambit, Accepted, Pawn Return Variation", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 b6"),
("A59", "Benko Gambit, Accepted, Yugoslav with ..Bxf1, Nge2", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 Nge2"),
("A59", "Benko Gambit, Accepted, Yugoslav without ..Bxf1", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4"),
("A57", "Benko Gambit, Declined, Bishop Attack", "d4 Nf6 c4 c5 d5 b5 Bg5"),
("A57", "Benko Gambit, Declined, Main Line", "d4 Nf6 c4 c5 d5 b5 Nf3"),
("A57", "Benko Gambit, Declined, Pseudo-Saemisch", "d4 Nf6 c4 c5 d5 b5 f3"),
("A57", "Benko Gambit, Declined, Quiet Line", "d4 Nf6 c4 c5 d5 b5 Nd2"),
("A57", "Benko Gambit, Declined, Sosonko Variation", "d4 Nf6 c4 c5 d5 b5 a4"),
("A57", "Benko Gambit, General", "d4 Nf6 c4 c5 d5 b5"),
("A58", "Benko Gambit, Zaitsev System", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3"),
("A57", "Benko Gambit, Zaitsev Variation, Nescafe Frappe Attack", "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3 axb5 e4 b4 Nb5"),
("A43", "Benoni Defense, Benoni Gambit Accepred", "d4 c5 dxc5"),
("A43", "Benoni Defense, Benoni-Indian Defense", "d4 c5 d5 Nf6"),
("A43", "Benoni Defense, Benoni-Indian Defense, Kingside move order", "d4 c5 d5 Nf6 Nf3"),
("A75", "Benoni Defense, Classical Variation, Argentine Counterattack", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4"),
("A71", "Benoni Defense, Classical Variation, Averbakh-Grivas Attack", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bg5"),
("A76", "Benoni Defense, Classical Variation, Czerniak Defense", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8"),
("A79", "Benoni Defense, Classical Variation, Czerniak Defense", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f3"),
("A78", "Benoni Defense, Classical Variation, Czerniak Defense", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6"),
("A77", "Benoni Defense, Classical Variation, Czerniak Defense, Tal Line", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2"),
("A74", "Benoni Defense, Classical Variation, Full line", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4"),
("A70", "Benoni Defense, Classical Variation, General", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3"),
("A73", "Benoni Defense, Classical Variation, Main line", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O"),
("A70", "Benoni Defense, Classical Variation, New York Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3"),
("A72", "Benoni Defense, Classical Variation, Traditional Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2"),
("A56", "Benoni Defense, Czech Benoni Defense", "d4 Nf6 c4 c5 d5 e5"),
("A62", "Benoni Defense, Fianchetto Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O"),
("A63", "Benoni Defense, Fianchetto Variation, Hastings Defense", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7"),
("A64", "Benoni Defense, Fianchetto Variation, Hastings Defense, Main Line", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8"),
("A68", "Benoni Defense, Four Pawns Attack", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O"),
("A69", "Benoni Defense, Four Pawns Attack, Main Line", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8"),
("A43", "Benoni Defense, Franco-Sicilian Defense", "d4 c5 d5 e6 e4"),
("A43", "Benoni Defense, General", "d4 c5"),
("A57", "Benoni Defense, Hromodka System", "d4 Nf6 c4 c5 d5 d6"),
("A65", "Benoni Defense, King Pawn lines", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4"),
("A56", "Benoni Defense, King's Indian System", "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 g6"),
("A61", "Benoni Defense, Knight's Tour Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Nd2"),
("A66", "Benoni Defense, Mikenas Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5"),
("A60", "Benoni Defense, Modern Variation", "d4 Nf6 c4 c5 d5 e6"),
("A56", "Benoni Defense, Modern Variation", "d4 Nf6 c4 c5"),
("A60", "Benoni Defense, Modern Variation, Snake Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 Bd6"),
("A43", "Benoni Defense, Old Benoni Defense, Clarendon Court Variation", "d4 c5 d5 f5"),
("A43", "Benoni Defense, Old Benoni", "d4 c5 d5 d6"),
("A44", "Benoni Defense, Old Benoni, Pawn Thrust", "d4 c5 d5 e5"),
("A44", "Benoni Defense, Old Benoni, Russian Variation", "d4 c5 d5 e5 e4 d6"),
("A66", "Benoni Defense, Pawn Storm Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4"),
("A67", "Benoni Defense, Taimanov Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+"),
("A61", "Benoni Defense, Uhlmann Variation", "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bg5"),
("A56", "Benoni Defense, Vulture Defense", "d4 c5 d5 Nf6 c4 Ne4"),
("A56", "Benoni Defense, Weenink Variation", "d4 Nf6 c4 c5 dxc5 e6"),
("A03", "Bird Opening, Dutch Variation", "f4 d5"),
("A02", "Bird Opening, From Gambit", "f4 e5"),
("A02", "Bird Opening, From Gambit, Lasker Variation", "f4 e5 fxe5 d6 exd6 Bxd6 Nf3 g5"),
("A02", "Bird Opening, General", "f4"),
("A03", "Bird Opening, Lasker Variation", "f4 d5 Nf3 Nf6 e3 c5"),
("C24", "Bishop's Opening, Berlin Defense", "e4 e5 Bc4 Nf6"),
("C23", "Bishop's Opening, Blanel Gambit", "e4 e5 Bc4 Nf6 Nc3 Nxe4"),
("C27", "Bishop's Opening, Boden-Kieseritsky Gambit", "e4 e5 Nc3 Nf6 Bc4 Nxe4 Nf3"),
("C20", "Bishop's Opening, Boi Variation", "e4 e5 Bc4 Bc5"),
("C23", "Bishop's Opening, General", "e4 e5 Bc4"),
("C24", "Bishop's Opening, Ponziani Gambit", "e4 e5 Bc4 Nf6 d4"),
("C24", "Bishop's Opening, Urusov Gambit", "e4 e5 Bc4 Nf6 d4 exd4 Nf3"),
("C24", "Bishop's Opening, Urusov Gambit, Keidansky Gambit", "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4"),
("C28", "Bishop's Opening, Vienna Hybrid", "e4 e5 Bc4 Nf6 d3 Nc6 Nc3"),
("C28", "Bishop's Opening, Vienna Hybrid, Hromadka Variation", "e4 e5 Bc4 Nf6 d3 Nc6 Nc3 Bb4 Ne2"),
("C26", "Bishop's Opening, Vienna Hybrid, Spielmann Attack", "e4 e5 Bc4 Nf6 d3 Bc5 Nc3"),
("D00", "Blackmar-Diemer Gambit, Declined, Langeheinecke Defense", "d4 d5 e4 dxe4 Nc3 Nf6 f3 e3"),
("D00", "Blackmar-Diemer Gambit, Euwe Defense", "d4 d5 e4 dxe4 Nc3 Nf6 f3 exf3 Nxf3 e6"),
("D00", "Blackmar-Diemer Gambit, Netherlands Variation", "d4 d5 e4 dxe4 Nc3 f5"),
("D00", "Blackmar-Diemer Gambit, Teichmann Variation", "d4 d5 e4 dxe4 Nc3 Nf6 f3 exf3 Nxf3 Bg4"),
("D00", "Blackmar-Diemer Gambit, Vienna Variation", "d4 d5 e4 dxe4 Nc3 Nf6 f3 Bf5"),
("D00", "Blackmar-Diemer Gambit, Von Popiel Gambit", "d4 d5 e4 dxe4 Nc3 Nf6 Bg5"),
("E10", "Blumenfeld Countergambit, Accepted", "d4 Nf6 c4 e6 Nf3 c5 d5 b5 dxe6 fxe6 cxb5 d5"),
("E10", "Blumenfeld Countergambit, Dus-Chotimursky Variation", "d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5"),
("E10", "Blumenfeld Countergambit, General", "d4 Nf6 c4 e6 Nf3 c5 d5 b5"),
("E10", "Blumenfeld Countergambit, Spielmann Variation", "d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 exd5 cxd5 h6"),
("E11", "Bogo-Indian Defense, Exchange Variation", "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Bxd2+"),
("E11", "Bogo-Indian Defense, Grünfeld Variation", "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2"),
("E11", "Bogo-Indian Defense, Nimzowitsch Variation", "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7"),
("E11", "Bogo-Indian Defense, Retreat Variation", "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7"),
("E11", "Bogo-Indian Defense, Vitolinsh Variation", "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 c5"),
("E11", "Bogo-Indian Defense, Wade-Smyslov Variation", "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 a5"),
("A52", "Budapest Defense, Adler Variation", "d4 Nf6 c4 e5 dxe5 Ng4 Nf3"),
("A52", "Budapest Defense, Alekhine Variation", "d4 Nf6 c4 e5 dxe5 Ng4 e4"),
("A52", "Budapest Defense, Alekhine Variation, Abonyi Variation", "d4 Nf6 c4 e5 dxe5 Ng4 e4 Nxe5 f4 Nec6"),
("A51", "Budapest Defense, Fajarowicz Variation", "d4 Nf6 c4 e5 dxe5 Ne4"),
("A52", "Budapest Defense, General", "d4 Nf6 c4 e5 dxe5 Ng4"),
("A52", "Budapest Defense, Rubinstein Variation", "d4 Nf6 c4 e5 dxe5 Ng4 Bf4"),
("B10", "Caro-Kann Defense, Accelerated Panov Attack", "e4 c6 c4 d5"),
("B10", "Caro-Kann Defense, Accelerated Panov Attack", "e4 c6 c4"),
("B10", "Caro-Kann Defense, Accelerated Panov Attack, Modern Variation", "e4 c6 c4 d5 exd5 cxd5 cxd5 Nf6"),
("B10", "Caro-Kann Defense, Accelerated Panov Attack, Open Variation", "e4 c6 c4 e5"),
("B12", "Caro-Kann Defense, Advance Variation", "e4 c6 d4 d5 e5"),
("B12", "Caro-Kann Defense, Advance Variation, Bayonet Attack", "e4 c6 d4 d5 e5 Bf5 g4"),
("B12", "Caro-Kann Defense, Advance Variation, Botvinnik-Carls Defense", "e4 c6 d4 d5 e5 c5"),
("B12", "Caro-Kann Defense, Advance Variation, Bronstein Variation", "e4 c6 d4 d5 e5 Bf5 Ne2"),
("B12", "Caro-Kann Defense, Advance Variation, Short Variation", "e4 c6 d4 d5 e5 Bf5 Nf3"),
("B12", "Caro-Kann Defense, Advance Variation, Tal Variation", "e4 c6 d4 d5 e5 Bf5 h4"),
("B12", "Caro-Kann Defense, Advance Variation, Van der Wiel Attack", "e4 c6 d4 d5 e5 Bf5 Nc3"),
("B12", "Caro-Kann Defense, Advance Variation, Van der Wiel Attack, Bishop Hnt", "e4 c6 d4 d5 e5 Bf5 Nc3 e6 g4 Bg6 Nge2 c5 h4"),
("B12", "Caro-Kann Defense, Advance Variation, Van der Wiel Attack, Dreyev Defense", "e4 c6 d4 d5 e5 Bf5 Nc3 Qb6"),
("B10", "Caro-Kann Defense, Breyer Variation", "e4 c6 d3"),
("B16", "Caro-Kann Defense, Bronstein-Larsen Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6"),
("B18", "Caro-Kann Defense, Classical Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5"),
("B18", "Caro-Kann Defense, Classical Variation, Flohr Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nh3"),
("B19", "Caro-Kann Defense, Classical Variation, Lobron System", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 e6 Bd2 Ngf6 O-O-O Be7"),
("B18", "Caro-Kann Defense, Classical Variation, Main lines", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4"),
("B18", "Caro-Kann Defense, Classical Variation, Maroczy Attack", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 f4"),
("B19", "Caro-Kann Defense, Classical Variation, Seirawan Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3"),
("A40", "Caro-Kann Defense, De Bruycker Defense", "e4 c6 d4 Na6"),
("B13", "Caro-Kann Defense, Exchange Variation, Rubinstein Variation", "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3 Nf6 Bf4"),
("B13", "Caro-Kann Defense, Exchange Variation", "e4 c6 d4 d5 exd5"),
("B15", "Caro-Kann Defense, Forgacs Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6 Bc4"),
("B10", "Caro-Kann Defense, General", "e4 c6"),
("B12", "Caro-Kann Defense, Goldman Variation", "e4 c6 Nc3 d5 Qf3"),
("B15", "Caro-Kann Defense, Gurgenidze Counterattack", "e4 c6 d4 d5 Nc3 b5"),
("B15", "Caro-Kann Defense, Gurgenidze System", "e4 c6 d4 d5 Nc3 g6"),
("B17", "Caro-Kann Defense, Karpov Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7"),
("B17", "Caro-Kann Defense, Karpov Variation, Modern Main Line", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3 e6 N1f3 Bd6 Qe2 h6 Ne4 Nxe4 Qxe4"),
("B17", "Caro-Kann Defense, Karpov Variation, Modern Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5"),
("B17", "Caro-Kann Defense, Karpov Variation, Modern Variation, Ivanchuk Defense", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ndf6"),
("B17", "Caro-Kann Defense, Karpov Variation, Modern Variation, Kasparov Attack", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Ng3"),
("B17", "Caro-Kann Defense, Karpov Variation, Smyslov Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6"),
("B17", "Caro-Kann Defense, Karpov Variation, Smyslov Variation, Main Line", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bb3"),
("B17", "Caro-Kann Defense, Karpov Variation, Tiviakov-Fischer Attack", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Nxf6+ Nxf6"),
("B15", "Caro-Kann Defense, Main Line", "e4 c6 d4 d5 Nc3 dxe4 Nxe4"),
("B12", "Caro-Kann Defense, Maroczy Variation", "e4 c6 d4 d5 f3"),
("B12", "Caro-Kann Defense, Maroczy Variation, Maroczy Gambit", "e4 c6 d4 d5 f3 dxe4 fxe4 e5 Nf3 exd4 Bc4"),
("B12", "Caro-Kann Defense, Modern Variation", "e4 c6 d4 d5 Nd2"),
("B13", "Caro-Kann Defense, Panov Attack", "e4 c6 d4 d5 exd5 cxd5 c4"),
("B14", "Caro-Kann Defense, Panov Attack", "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6"),
("B13", "Caro-Kann Defense, Panov Attack", "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3"),
("B14", "Caro-Kann Defense, Panov Attack, Fianchetto Defense", "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6"),
("B13", "Caro-Kann Defense, Panov Attack, Fianchetto Defense, Fianchetto Gambit", "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 cxd5 Bg7"),
("B13", "Caro-Kann Defense, Panov Attack, Modern Defense", "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6"),
("B13", "Caro-Kann Defense, Panov Attack, Modern Defense, Carlsbad Line", "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 e6"),
("B13", "Caro-Kann Defense, Panov Attack, Modern Defense, Czerniak Line", "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 Qa5"),
("B13", "Caro-Kann Defense, Panov Attack, Modern Defense, Mieses Line", "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Nf3 Bg4"),
("B15", "Caro-Kann Defense, Standard, Unorthodox Replies", "e4 c6 d4 d5 Nc3"),
("B15", "Caro-Kann Defense, Tartakower Variation", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6"),
("B10", "Caro-Kann Defense, Two Knights Attack", "e4 c6 Nc3 d5 Nf3"),
("B11", "Caro-Kann Defense, Two Knights Attack, Mindeno Variation", "e4 c6 Nc3 d5 Nf3 Bg4"),
("B11", "Caro-Kann Defense, Two Knights Attack, Mindeno Variation, Exchange Line", "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3"),
("B11", "Caro-Kann Defense, Two Knights Attack, Mindeno Variation, Retreat Line", "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bh5"),
("B15", "Caro-Kann Defense, Von Hennig Gambit", "e4 c6 d4 d5 Nc3 dxe4 Bc4"),
("E01", "Catalan Opening, Closed Variation", "d4 Nf6 c4 e6 g3 d5 Bg2"),
("E06", "Catalan Opening, Closed Variation", "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3"),
("E07", "Catalan Opening, Closed Variation", "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7"),
("E08", "Catalan Opening, Closed Variation", "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2"),
("E07", "Catalan Opening, Closed Variation, Botvinnik Variation", "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3 c6 Qd3"),
("E09", "Catalan Opening, Closed Variation, Traditional Variation", "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6"),
("E00", "Catalan Opening, General", "d4 Nf6 c4 e6 g3"),
("E04", "Catalan Opening, Open Defense", "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3"),
("E02", "Catalan Opening, Open Defense", "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+"),
("E05", "Catalan Opening, Open Defense, Classical Line", "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7"),
("E04", "Catalan Opening, Open Defense, Modern Sharp Variation", "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6 Qa4 Bb4+"),
("E04", "Catalan Opening, Open Defense, Tarrasch Defense", "d4 Nf6 c4 e6 g3 d5 Bg2 c5 Nf3 Nc6"),
("C21", "Center Game, Accepted", "e4 e5 d4 exd4"),
("C22", "Center Game, Berger Variation", "e4 e5 d4 exd4 Qxd4 Nc6 Qe3 Nf6"),
("C22", "Center Game, Normal Variation", "e4 e5 d4 exd4 Qxd4 Nc6"),
("C22", "Center Game, Paulsen Attack Variation", "e4 e5 d4 exd4 Qxd4 Nc6 Qe3"),
("A00", "Clemenz Opening, General", "h3"),
("D05", "Colle System", "d4 d5 Nf3 Nf6 e3 e6 Bd3"),
("D05", "Colle System", "d4 d5 Nf3 Nf6 e3 e6"),
("D05", "Colle System, Traditional Colle", "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3"),
("B07", "Czech Defense, General", "e4 d6 d4 Nf6 Nc3 c6"),
("C21", "Danish Gambit, Declined, Sorensen Defense", "e4 e5 d4 exd4 c3 d5"),
("C21", "Danish Gambit, General", "e4 e5 d4 exd4 c3"),
("A92", "Dutch Defense, Alekhine Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O Ne4"),
("A81", "Dutch Defense, Blackburne Variation", "d4 f5 g3 Nf6 Bg2 e6 Nh3"),
("A80", "Dutch Defense, Blackmar's Second Gambit", "d4 f5 e4 fxe4 Nc3 Nf6 f3"),
("A91", "Dutch Defense, Classical Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7"),
("A90", "Dutch Defense, Classical Variation", "d4 f5 c4 Nf6 g3 e6 Bg2"),
("A92", "Dutch Defense, Classical Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O"),
("A84", "Dutch Defense, Classical Variation", "d4 f5 c4 e6"),
("A91", "Dutch Defense, Classical Variation, Blackburne Attack", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nh3"),
("A96", "Dutch Defense, Classical Variation, Buenos Aires Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 a5"),
("A96", "Dutch Defense, Classical Variation, General", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6"),
("A96", "Dutch Defense, Classical Variation, Huisl Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Ne4"),
("A98", "Dutch Defense, Classical Variation, Ilyin-Zhenevsky Variation, Alatortsev-Lisitsyn Line", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Qc2"),
("A97", "Dutch Defense, Classical Variation, Ilyin-Zhenevsky Variation, General", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8"),
("A99", "Dutch Defense, Classical Variation, Ilyin-Zhenevsky Variation, Modern Main Line", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3"),
("A95", "Dutch Defense, Classical Variation, Stonewall Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6"),
("A94", "Dutch Defense, Classical Variation, Stonewall Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3"),
("A93", "Dutch Defense, Classical Variation, Stonewall Variation, Botvinnik Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3"),
("A81", "Dutch Defense, Fianchetto Attack", "d4 f5 g3"),
("A86", "Dutch Defense, Fianchetto Variation", "d4 f5 c4 Nf6 g3"),
("A80", "Dutch Defense, General", "d4 f5"),
("A80", "Dutch Defense, Hopton Attack", "d4 f5 Bg5"),
("A80", "Dutch Defense, Korchnoi Attack", "d4 f5 h3"),
("A80", "Dutch Defense, Krejcik Gambit", "d4 f5 g4"),
("A87", "Dutch Defense, Leningrad Variation", "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3"),
("A86", "Dutch Defense, Leningrad Variation", "d4 f5 c4 Nf6 g3 g6"),
("A89", "Dutch Defense, Leningrad Variation, Matulovic Variation", "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6"),
("A88", "Dutch Defense, Leningrad Variation, Warsaw Variation", "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6"),
("A97", "Dutch Defense, Modern Stonewall Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 d5 Nf3 c6 O-O Bd6"),
("A90", "Dutch Defense, Nimzo-Dutch Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Bb4+"),
("A90", "Dutch Defense, Nimzo-Dutch Variation, Alekhine Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Bb4+ Bd2 Be7"),
("A84", "Dutch Defense, Normal Variation", "d4 f5 c4 Nf6"),
("A85", "Dutch Defense, Queen's Knight Variation", "d4 f5 c4 Nf6 Nc3"),
("A80", "Dutch Defense, Raphael Variation", "d4 f5 Nc3"),
("A84", "Dutch Defense, Rubinstein Variation", "d4 f5 c4 e6 Nc3"),
("A81", "Dutch Defense, Semi-Leningrad Variation", "d4 f5 g3 Nf6 Bg2 g6"),
("A82", "Dutch Defense, Staunton Gambit, Accepted", "d4 f5 e4 fxe4"),
("A83", "Dutch Defense, Staunton Gambit, Chigorin Variation", "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 c6"),
("A83", "Dutch Defense, Staunton Gambit, General Variation", "d4 f5 e4 fxe4 Nc3 Nf6 Bg5"),
("A92", "Dutch Defense, Stonewall Variation, General Variation", "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5"),
("A90", "Dutch Defense, Stonewall Variation, Modern Variation", "d4 f5 c4 e6 Nf3 Nf6 g3 c6 Bg2 d5 O-O Bd6"),
("C40", "Elephant Gambit, General", "e4 e5 Nf3 d5"),
("C40", "Elephant Gambit, Maroczy Gambit", "e4 e5 Nf3 d5 exd5 Bd6"),
("C40", "Elephant Gambit, Paulsen Countergambit", "e4 e5 Nf3 d5 exd5 e4"),
("A40", "English Defense, General", "d4 e6 c4 b6"),
("A40", "English Defense, Perrin Variation", "c4 e6 d4 b6 e4 Bb7 Bd3 Nc6"),
("A10", "English Opening, Adorjan Defense", "c4 g6 e4 e5"),
("A13", "English Opening, Agincourt Defense", "c4 e6"),
("A13", "English Opening, Agincourt Defense, Agincourt Variation", "c4 e6 Nf3 d5 g3"),
("A13", "English Opening, Agincourt Defense, Bogoljubow Defense", "c4 e6 Nf3 d5 g3 Nf6 Bg2 Bd6"),
("A13", "English Opening, Agincourt Defense, Catalan Defemse Accepted", "c4 e6 Nf3 d5 g3 Nf6 Bg2 dxc4"),
("A13", "English Opening, Agincourt Defense, Catalan Defense, Semi-Slav Defense", "c4 e6 Nf3 d5 g3 Nf6 Bg2 c6"),
("A14", "English Opening, Agincourt Defense, Keres Defense", "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O c5 cxd5 Nxd5 Nc3 Nc6"),
("A13", "English Opening, Agincourt Defense, King's Knight", "c4 e6 Nf3 d5"),
("A13", "English Opening, Agincourt Defense, Kurajica Defense", "c4 e6 Nf3 d5 g3 c6"),
("A14", "English Opening, Agincourt Defense, Neo Catalan Declined", "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O"),
("A14", "English Opening, Agincourt Defense, Tarrasch Defense", "c4 e6 Nf3 d5 g3 Nf6 Bg2 c5 b3 Nc6 O-O Be7"),
("A13", "English Opening, Agincourt Defense, Wimpy System", "c4 e6 Nf3 d5 b3 Nf6 Bb2 c5 e3"),
("A10", "English Opening, Anglo-Dutch Defense", "c4 f5"),
("A16", "English Opening, Anglo-Indian Defense, Anglo-Grünfeld Variation", "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3"),
("A16", "English Opening, Anglo-Indian Defense, Anglo-Grünfeld Variation", "c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nb6"),
("A16", "English Opening, Anglo-Indian Defense, Anglo-Grünfeld Variation", "c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nxc3"),
("A17", "English Opening, Anglo-Indian Defense, Anti-Anti-Grünfeld", "c4 Nf6 Nc3 g6 Nf3 Bg7 e4"),
("A18", "English Opening, Anglo-Indian Defense, Flohr-Mikenas-Carls Variation", "c4 Nf6 Nc3 e6 e4 Nc6"),
("A19", "English Opening, Anglo-Indian Defense, Flohr-Mikenas-Carls Variation", "c4 Nf6 Nc3 e6 e4 c5"),
("A18", "English Opening, Anglo-Indian Defense, Flohr-Mikenas-Carls Variation", "c4 Nf6 Nc3 e6 e4"),
("A18", "English Opening, Anglo-Indian Defense, Flohr-Mikenas-Carls Variation", "c4 Nf6 Nc3 e6 e4 d5 e5"),
("A19", "English Opening, Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit", "c4 Nf6 Nc3 e6 e4 c5 e5 Ng8"),
("A17", "English Opening, Anglo-Indian Defense, Hedgehog System", "c4 Nf6 Nc3 e6"),
("A15", "English Opening, Anglo-Indian Defense, King's Indian Formation", "c4 Nf6 Nf3 g6"),
("A15", "English Opening, Anglo-Indian Defense, King's Indian Formation, Double Fianchetto", "c4 Nf6 Nf3 g6 g3 b6 Bg2 Bb7"),
("A15", "English Opening, Anglo-Indian Defense, King's Knight Variation", "c4 Nf6 Nf3"),
("A15", "English Opening, Anglo-Indian Defense, Mikenas-Carls Variation", "c4 Nf6"),
("A17", "English Opening, Anglo-Indian Defense, Nimzo-English Opening", "c4 Nf6 Nc3 e6 Nf3 Bb4"),
("A15", "English Opening, Anglo-Indian Defense, Old Indian Formation", "c4 Nf6 Nf3 d6"),
("A13", "English Opening, Anglo-Indian Defense, Queen's Indian Formation", "c4 Nf6 Nf3 e6 g3 b6 Bg2 Bb7"),
("A15", "English Opening, Anglo-Indian Defense, Queen's Indian Formation", "c4 Nf6 Nf3 b6"),
("A16", "English Opening, Anglo-Indian Defense, Queen's Knight Variation", "c4 Nf6 Nc3"),
("A17", "English Opening, Anglo-Indian Defense, Queens Indian Formation", "c4 Nf6 Nc3 e6 Nf3 b6"),
("A17", "English Opening, Anglo-Indian Defense, Queens Indian Variation", "c4 Nf6 Nc3 e6 Nf3 b6 e4 Bb7 Bd3"),
("A13", "English Opening, Anglo-Indian Defense, Romanishin Gambit", "c4 Nf6 Nf3 e6 g3 a6 Bg2 b5"),
("A11", "English Opening, Anglo-Indian Defense, Romanishin Variation", "c4 Nf6 Nf3 e6 g3 a6"),
("A15", "English Opening, Anglo-Indian Defense, Scandavian Defense, Exchange Variation", "c4 Nf6 Nf3 d5 cxd5 Nxd5"),
("A15", "English Opening, Anglo-Indian Defense, Scandinavian Defense", "c4 Nf6 Nf3 d5"),
("A15", "English Opening, Anglo-Indian Defense, Slav Formation", "c4 Nf6 Nf3 g6 g3 c6"),
("A18", "English Opening, Anglo-Indian Defense, Zviagintsev-Krasenkov Attack", "c4 Nf6 Nc3 e6 Nf3 Bb4 g4"),
("A10", "English Opening, Anglo-Lithuanian Variation", "c4 Nc6"),
("A11", "English Opening, Anglo-Slav Variation, General", "c4 c6"),
("A10", "English Opening, English Defense, General", "c4 e6 d4 b6"),
("A10", "English Opening, General", "c4"),
("A16", "English Opening, Golombek Defense", "c4 Nf6 Nc3 d5"),
("A10", "English Opening, Great Snake Variation", "c4 g6"),
("A22", "English Opening, King's English Variation, Bellon Gambit", "c4 e5 Nc3 Nf6 Nf3 e4 Ng5 b5"),
("A26", "English Opening, King's English Variation, Botvinnik System", "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4"),
("A26", "English Opening, King's English Variation, Botvinnik System, Prickly Pawn Pass System", "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 d3 d6 e4 O-O Nge2 c6 O-O a6"),
("A25", "English Opening, King's English Variation, Bremen-Hort Variation", "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 Nge2 Be6"),
("A25", "English Opening, King's English Variation, Closed System", "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3"),
("A26", "English Opening, King's English Variation, Closed System, Full Symmetry", "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6"),
("A28", "English Opening, King's English Variation, Four Knights Variation", "c4 e5 Nc3 Nc6 Nf3 Nf6 d4 exd4 Nxd4 Bb4 Bg5 h6 Bh4 Bxc3+ bxc3 Ne5"),
("A28", "English Opening, King's English Variation, Four Knights Variation, Botvinnik Line", "c4 e5 Nc3 Nc6 Nf3 Nf6 e4"),
("A28", "English Opening, King's English Variation, Four Knights Variation, Bradley Beach Variation", "c4 e5 Nc3 Nc6 Nf3 Nf6 d4 e4"),
("A29", "English Opening, King's English Variation, Four Knights Variation, Fianchetto Lines", "c4 e5 Nc3 Nc6 Nf3 Nf6 g3"),
("A28", "English Opening, King's English Variation, Four Knights Variation, Flexible Line", "c4 e5 Nc3 Nc6 Nf3 Nf6 d3"),
("A28", "English Opening, King's English Variation, Four Knights Variation, General", "c4 e5 Nc3 Nc6 Nf3 Nf6"),
("A28", "English Opening, King's English Variation, Four Knights Variation, Korchnoi Line", "c4 e5 Nc3 Nc6 Nf3 Nf6 a3"),
("A28", "English Opening, King's English Variation, Four Knights Variation, Quiet Line", "c4 e5 Nc3 Nc6 Nf3 Nf6 e3"),
("A28", "English Opening, King's English Variation, Four Knights Variation, Quiet Line", "c4 e5 Nc3 Nc6 Nf3 Nf6 e3 Bb4 Qc2 O-O Nd5 Re8 Qf5"),
("A28", "English Opening, King's English Variation, Four Knights Variation, Quiet Line", "c4 e5 Nc3 Nc6 Nf3 Nf6 e3 Bb4 Qc2 Bxc3"),
("A21", "English Opening, King's English Variation, General Variation", "c4 e5 Nc3 d6 Nf3"),
("A20", "English Opening, King's English Variation, General", "c4 e5"),
("A25", "English Opening, King's English Variation, Hungarian Attack", "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1"),
("A21", "English Opening, King's English Variation, Kramnik-Shirov Counter", "c4 e5 Nc3 Bb4"),
("A20", "English Opening, King's English Variation, Nimzowitsch Variation, General", "c4 e5 Nf3"),
("A20", "English Opening, King's English Variation, Nimzowitsch-Flohr Variation", "c4 e5 Nf3 e4"),
("A25", "English Opening, King's English Variation, Reversed Closed Sicilian", "c4 e5 Nc3 Nc6"),
("A21", "English Opening, King's English Variation, Reversed Sicilian", "c4 e5 Nc3"),
("A25", "English Opening, King's English Variation, Taimanov Variation", "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7"),
("A27", "English Opening, King's English Variation, Three Knights System, General", "c4 e5 Nc3 Nc6 Nf3"),
("A21", "English Opening, King's English Variation, Troger Defense", "c4 e5 Nc3 d6 g3 Be6 Bg2 Nc6"),
("A22", "English Opening, King's English Variation, Two Knights' Variation, Fianchetto Line", "c4 e5 Nc3 Nf6 g3"),
("A24", "English Opening, King's English Variation, Two Knights' Variation, Fianchetto Lines", "c4 e5 Nc3 Nf6 g3 g6"),
("A22", "English Opening, King's English Variation, Two Knights' Variation, General", "c4 e5 Nc3 Nf6"),
("A23", "English Opening, King's English Variation, Two Knights' Variation, Keres Variation", "c4 e5 Nc3 Nf6 g3 c6"),
("A22", "English Opening, King's English Variation, Two Knights' Variation, Reversed Dragon", "c4 e5 Nc3 Nf6 g3 d5"),
("A22", "English Opening, King's English Variation, Two Knights' Variation, Smyslov System", "c4 e5 Nc3 Nf6 g3 Bb4"),
("A31", "English Opening, Symmetrical Variation, Anti-Benoni Variation", "c4 c5 Nf3 Nf6 d4"),
("A33", "English Opening, Symmetrical Variation, Anti-Benoni Variation, Geller Variation", "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 g3 Qb6"),
("A33", "English Opening, Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense", "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6"),
("A32", "English Opening, Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense", "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6"),
("A37", "English Opening, Symmetrical Variation, Botvinnik System Reversed", "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5"),
("A36", "English Opening, Symmetrical Variation, Botvinnik System Reversed", "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 e5"),
("A36", "English Opening, Symmetrical Variation, Botvinnik System", "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4"),
("A38", "English Opening, Symmetrical Variation, Duchamp Variation", "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3"),
("A36", "English Opening, Symmetrical Variation, Fianchetto Variation", "c4 c5 Nc3 Nc6 g3"),
("A34", "English Opening, Symmetrical Variation, Fianchetto Variation", "c4 c5 Nc3 Nf6 g3"),
("A35", "English Opening, Symmetrical Variation, Four Knights Variation", "c4 c5 Nc3 Nc6 Nf3 Nf6"),
("A38", "English Opening, Symmetrical Variation, Full Symmetry Line", "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6"),
("A30", "English Opening, Symmetrical Variation, General", "c4 c5"),
("A30", "English Opening, Symmetrical Variation, Hedgehog Defense", "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7"),
("A39", "English Opening, Symmetrical Variation, Mecking Variation", "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4"),
("A34", "English Opening, Symmetrical Variation, Normal Variation", "c4 c5 Nc3"),
("A34", "English Opening, Symmetrical Variation, Rubinstein Variation", "c4 c5 Nc3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nc7"),
("A36", "English Opening, Symmetrical Variation, Symmetrical Variation", "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7"),
("A34", "English Opening, Symmetrical Variation, Three Knights Variation", "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5"),
("A37", "English Opening, Symmetrical Variation, Two Knights Line", "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3"),
("A35", "English Opening, Symmetrical Variation, Two Knights Variation", "c4 c5 Nc3 Nc6"),
("C20", "English Opening, The Whale", "e4 e5 c4"),
("A40", "Englund Gambit Complex, Englund Gambit", "d4 e5 dxe5 Nc6 Nf3 Qe7"),
("C49", "Four Knights Game, Double Spanish", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4"),
("C46", "Four Knights Game, General", "e4 e5 Nf3 Nc6 Nc3 Nf6"),
("C46", "Four Knights Game, Gunsberg Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 a3"),
("C50", "Four Knights Game, Italian Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 Nc3 Nf6"),
("C46", "Four Knights Game, Italian Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bc4"),
("C47", "Four Knights Game, Italian Variation, Noa Gambit", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bc4 Nxe4 Bxf7+"),
("C49", "Four Knights Game, Nimzowitsch (Paulsen)", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O Bxc6"),
("C48", "Four Knights Game, Ranken Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 a6 Bxc6"),
("C47", "Four Knights Game, Scotch Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 d4"),
("C47", "Four Knights Game, Scotch Variation, Accepted", "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4"),
("C47", "Four Knights Game, Scotch Variation, Belgrade Gambit", "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nd5"),
("C47", "Four Knights Game, Scotch Variation, Krause Gambit", "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 Bb4 Nxe5"),
("C47", "Four Knights Game, Scotch Variation, Krause Gambit, Leonhardt Defense", "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 Bb4 Nxe5 Qe7"),
("C49", "Four Knights Game, Spanish Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 Bxc3"),
("C48", "Four Knights Game, Spanish Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5"),
("C48", "Four Knights Game, Spanish Variation, Classical Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5"),
("C48", "Four Knights Game, Spanish Variation, Classical Variation, Marshall Gambit", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5 Nxe5 Nd4 Ba4 O-O"),
("C48", "Four Knights Game, Spanish Variation, Rubinstein Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4"),
("C48", "Four Knights Game, Spanish Variation, Rubinstein Variation, Accepted", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxd4"),
("C49", "Four Knights Game, Spanish Variation, Symmetrical Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6"),
("C49", "Four Knights Game, Spanish Variation, Symmetrical Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Ne7"),
("C49", "Four Knights Game, Spanish Variation, Symmetrical Variation", "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Ne2"),
("C02", "French Defense, Advance Variation", "e4 e6 d4 d5 e5 c5 c3"),
("C02", "French Defense, Advance Variation", "e4 e6 d4 d5 e5 c5 c3 Nc6"),
("C02", "French Defense, Advance Variation", "e4 e6 d4 d5 e5"),
("C02", "French Defense, Advance Variation, Euwe Variation", "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Bd7"),
("C02", "French Defense, Advance Variation, Extended Bishop Swap", "e4 e6 d4 d5 e5 Bd7"),
("C02", "French Defense, Advance Variation, Lputian Variation", "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 a3 Nh6"),
("C02", "French Defense, Advance Variation, Main Line", "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 a3"),
("C02", "French Defense, Advance Variation, Milner-Barry Gambit", "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 Bd3"),
("C02", "French Defense, Advance Variation, Nimzowitsch Attack", "e4 e6 d4 d5 e5 c5 Qg4"),
("C02", "French Defense, Advance Variation, Nimzowitsch Gambit", "e4 e6 d4 d5 e5 c5 Qg4 cxd4 Nf3"),
("C02", "French Defense, Advance Variation, Nimzowitsch System", "e4 e6 d4 d5 e5 c5 Nf3"),
("C02", "French Defense, Advance Variation, Paulsen Attack", "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3"),
("C02", "French Defense, Advance Variation, Ruisdonk Gambit", "e4 e6 d4 d5 e5 c5 Nf3 cxd4 Bd3"),
("C02", "French Defense, Advance Variation, Wade Variation", "e4 e6 d4 d5 e5 c5 c3 Qb6 Nf3 Bd7"),
("C00", "French Defense, Alapin Gambit", "e4 e6 d4 d5 Be3"),
("C13", "French Defense, Alekhine-Chatard Attack", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4"),
("C13", "French Defense, Alekhine-Chatard Attack, Albin-Chatard Gambit", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 Bxg5 hxg5 Qxg5"),
("C13", "French Defense, Alekhine-Chatard Attack, Breyer Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 c5"),
("C13", "French Defense, Alekhine-Chatard Attack, Maroczy Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 a6"),
("C13", "French Defense, Alekhine-Chatard Attack, Spielmann Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 O-O"),
("C00", "French Defense, Chigorin Variation", "e4 e6 Qe2"),
("C14", "French Defense, Classical Variation, Alapin Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Nb5"),
("C11", "French Defense, Classical Variation, Burn Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4"),
("C11", "French Defense, Classical Variation, Burn Variation, Main Line", "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 Bxf6 Nf3 O-O"),
("C11", "French Defense, Classical Variation, Burn Variation, Morozevich Line", "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 gxf6"),
("C11", "French Defense, Classical Variation, Delayed Exchange Variation", "e4 e6 d4 d5 Nc3 Nf6 exd5"),
("C14", "French Defense, Classical Variation, General Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7"),
("C13", "French Defense, Classical Variation, Normal Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7"),
("C14", "French Defense, Classical Variation, Pollock Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Qg4"),
("C13", "French Defense, Classical Variation, Richter Attack", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 Bxf6"),
("C13", "French Defense, Classical Variation, Richter Attack", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 Bxf6 Bxf6 e5 Be7 Qg4"),
("C14", "French Defense, Classical Variation, Rubinstein Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Qd2"),
("C11", "French Defense, Classical Variation, Steinitz Variation", "e4 e6 d4 d5 Nc3 Nf6 e5"),
("C14", "French Defense, Classical Variation, Steinitz Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4"),
("C11", "French Defense, Classical Variation, Swiss Variation", "e4 e6 d4 d5 Nc3 Nf6 Bd3"),
("C13", "French Defense, Classical Variation, Tartakower Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Ne4"),
("C01", "French Defense, Exchange Variation", "e4 e6 d4 d5 exd5"),
("C01", "French Defense, Exchange Variation, Monte Carlo Variation", "e4 e6 d4 d5 exd5 exd5 c4"),
("C01", "French Defense, Exchange Variation, Svenonius Variation", "e4 e6 d4 d5 exd5 exd5 Nc3 Nf6 Bg5"),
("C00", "French Defense, General", "e4 e6"),
("C00", "French Defense, Horwitz Attack", "e4 e6 b3"),
("C00", "French Defense, Horwitz Attack, Papa-Ticulat Gambit", "e4 e6 b3 d5 Bb2"),
("C00", "French Defense, King's Indian Attack", "e4 e6 d3"),
("C00", "French Defense, Knight Variation", "e4 e6 Nf3"),
("C00", "French Defense, La Bourdonnais Variation", "e4 e6 f4"),
("C12", "French Defense, MacCutcheon Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4"),
("C12", "French Defense, MacCutcheon Variation, Chigorin Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 exf6"),
("C12", "French Defense, MacCutcheon Variation, Dr. Olland (Dutch) Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bc1"),
("C12", "French Defense, MacCutcheon Variation, Exchange Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 exd5"),
("C12", "French Defense, MacCutcheon Variation, Janowski Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Be3"),
("C12", "French Defense, MacCutcheon Variation, Lasker Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 g6"),
("C12", "French Defense, MacCutcheon Variation, Lasker Variation", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3"),
("C12", "French Defense, MacCutcheon Variation, Wolf Gambit", "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 Ne2"),
("C00", "French Defense, Normal Variation", "e4 e6 d4"),
("C10", "French Defense, Normal Variation", "e4 e6 d4 d5 Nc3"),
("C00", "French Defense, Pelikan Variation", "e4 e6 Nc3 d5 f4"),
("C00", "French Defense, Queen's Knight", "e4 e6 Nc3"),
("C00", "French Defense, Reti-Spielmann Attack", "e4 e6 g3"),
("C10", "French Defense, Rubinstein Variation", "e4 e6 d4 d5 Nc3 dxe4"),
("C10", "French Defense, Rubinstein Variation, Blackburne Defense", "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7"),
("C10", "French Defense, Rubinstein Variation, Fort Knox Variation", "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Bd7 Nf3 Bc6"),
("C10", "French Defense, Rubinstein Variation, Maric Variation", "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Qd5"),
("C00", "French Defense, Schlechter Variation", "e4 e6 d4 d5 Bd3"),
("C00", "French Defense, Steinitz Attack", "e4 e6 e5"),
("C11", "French Defense, Steinitz Variation", "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3"),
("C11", "French Defense, Steinitz Variation, Boleslavsky Variation", "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3 Nc6 Be3"),
("C03", "French Defense, Tarrasch Variation", "e4 e6 d4 d5 Nd2"),
("C05", "French Defense, Tarrasch Variation, Botvinnik Variation", "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 b6"),
("C07", "French Defense, Tarrasch Variation, Chistyakov Defense", "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5"),
("C07", "French Defense, Tarrasch Variation, Chistyakov Defense, Modern Line", "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd6 O-O Nf6 Nb3 Nc6 Nbxd4 Nxd4 Nxd4 a6"),
("C05", "French Defense, Tarrasch Variation, Closed Variation", "e4 e6 d4 d5 Nd2 Nf6"),
("C05", "French Defense, Tarrasch Variation, Closed Variation", "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6"),
("C06", "French Defense, Tarrasch Variation, Closed Variation, Main Line", "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4"),
("C03", "French Defense, Tarrasch Variation, Guimard Defense", "e4 e6 d4 d5 Nd2 Nc6"),
("C04", "French Defense, Tarrasch Variation, Guimard Defense, Main Line", "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6"),
("C03", "French Defense, Tarrasch Variation, Haberditz Variation", "e4 e6 d4 d5 Nd2 f5"),
("C06", "French Defense, Tarrasch Variation, Leningrad Variation", "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Nb6"),
("C03", "French Defense, Tarrasch Variation, Modern System", "e4 e6 d4 d5 Nd2 a6"),
("C03", "French Defense, Tarrasch Variation, Morozevich Variation", "e4 e6 d4 d5 Nd2 Be7"),
("C07", "French Defense, Tarrasch Variation, Open System", "e4 e6 d4 d5 Nd2 c5"),
("C08", "French Defense, Tarrasch Variation, Open System, Advance Line", "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 c4"),
("C07", "French Defense, Tarrasch Variation, Open System, Euwe-Keres Line", "e4 e6 d4 d5 Nd2 c5 Ngf3"),
("C09", "French Defense, Tarrasch Variation, Open System, Main Line", "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6"),
("C07", "French Defense, Tarrasch Variation, Open System, Suechting Line", "e4 e6 d4 d5 Nd2 c5 c3"),
("C05", "French Defense, Tarrasch Variation, Pawn Center Variation", "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4"),
("C00", "French Defense, Two Knights Variation", "e4 e6 Nc3 d5 Nf3"),
("C15", "French Defense, Winawer Variation", "e4 e6 d4 d5 Nc3 Bb4"),
("C18", "French Defense, Winawer Variation, Advance Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3"),
("C17", "French Defense, Winawer Variation, Advance Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5"),
("C18", "French Defense, Winawer Variation, Advance Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7"),
("C19", "French Defense, Winawer Variation, Advance Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 a4"),
("C16", "French Defense, Winawer Variation, Advance Variation, General", "e4 e6 d4 d5 Nc3 Bb4 e5"),
("C17", "French Defense, Winawer Variation, Advance Variation, Moscow Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Qg4"),
("C15", "French Defense, Winawer Variation, Alekhine Gambit, Accepted", "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Bxc3+"),
("C15", "French Defense, Winawer Variation, Alekhine Gambit, Kan Variation", "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Bxc3+ Nxc3 Nc6"),
("C15", "French Defense, Winawer Variation, Alekhine-Maroczy Gambit", "e4 e6 d4 d5 Nc3 Bb4 Ne2"),
("C17", "French Defense, Winawer Variation, Bogoljubow Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2"),
("C17", "French Defense, Winawer Variation, Bogoljubow Variation, Icelandic Defense", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2 Ne7 f4"),
("C18", "French Defense, Winawer Variation, Classical Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Qc7"),
("C01", "French Defense, Winawer Variation, Delayed Exchange Variation", "e4 e6 d4 d5 Nc3 Bb4 exd5"),
("C01", "French Defense, Winawer Variation, Exchange Variation, Canal Attack", "e4 e6 d4 d5 Nc3 Bb4 exd5 exd5 Bd3 Ne7 Qh5"),
("C15", "French Defense, Winawer Variation, Fingerslip Variation", "e4 e6 d4 d5 Nc3 Bb4 Bd2"),
("C15", "French Defense, Winawer Variation, Fingerslip Variation, Kunin Double Gambit", "e4 e6 d4 d5 Nc3 Bb4 Bd2 dxe4 Qg4 Qxd4"),
("C15", "French Defense, Winawer Variation, Fingerslip Variation, Main Line", "e4 e6 d4 d5 Nc3 Bb4 Bd2 dxe4 Qg4 Nf6 Qxg7 Rg8 Qh6"),
("C18", "French Defense, Winawer Variation, Maroczy-Wallis Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 cxd4 axb4 dxc3"),
("C16", "French Defense, Winawer Variation, Petrosian Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 Qd7"),
("C18", "French Defense, Winawer Variation, Poisoned Pawn Variation, General", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4"),
("C18", "French Defense, Winawer Variation, Poisoned Pawn Variation, Main Line", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7 Qxg7 Rg8 Qxh7 cxd4 Ne2"),
("C18", "French Defense, Winawer Variation, Poisoned Pawn Variation, Paoli Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7 Qxg7 Rg8 Qxh7 cxd4 Kd1"),
("C19", "French Defense, Winawer Variation, Positional Variation", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3"),
("C18", "French Defense, Winawer Variation, Retreat Variation, Armenian Line", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5 b4 cxd4"),
("C18", "French Defense, Winawer Variation, Retreat Variation, General", "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5"),
("C15", "French Defense, Winawer Variation, Winckelmann-Riemer Gambit", "e4 e6 d4 d5 Nc3 Bb4 a3"),
("C00", "French Defense, Wing Gambit", "e4 e6 Nf3 d5 e5 c5 b4"),
("A00", "Grob Opening, General", "g4"),
("A00", "Grob Opening, Grob Gambit, Fritz Gambit", "g4 d5 Bg2 Bxg4 c4"),
("A00", "Grob Opening, Keene Defense", "g4 d5 h3 e5 Bg2 c6"),
("D95", "Grünfeld Defense, Botvinnik Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 e6"),
("D82", "Grünfeld Defense, Brinckmann Attack", "d4 Nf6 c4 g6 Nc3 d5 Bf4"),
("D83", "Grünfeld Defense, Brinckmann Attack, Grünfeld Gambit", "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O"),
("D84", "Grünfeld Defense, Brinckmann Attack, Grünfeld Gambit, Accepted", "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7"),
("D83", "Grünfeld Defense, Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation", "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O Rc1 c5 dxc5 Be6"),
("D83", "Grünfeld Defense, Brinckmann Attack, Grünfeld Gambit, Capablanca Variation", "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O Rc1"),
("D85", "Grünfeld Defense, Exchange Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5"),
("D86", "Grünfeld Defense, Exchange Variation, Classical Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4"),
("D85", "Grünfeld Defense, Exchange Variation, Modern Exchange Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3"),
("D85", "Grünfeld Defense, Exchange Variation, Modern Exchange Variation, Kramnik's line", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 h3"),
("D85", "Grünfeld Defense, Exchange Variation, Modern Exchange Variation, Pawn Grab line", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 Nc6 d5 Bxc3+"),
("D85", "Grünfeld Defense, Exchange Variation, Nadanian Attack", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 Na4"),
("D87", "Grünfeld Defense, Exchange Variation, Seville Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Bg4 f3 Na5 Bxf7+"),
("D86", "Grünfeld Defense, Exchange Variation, Simagin's Improved Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Nc6"),
("D89", "Grünfeld Defense, Exchange Variation, Sokolsky Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6 d5"),
("D87", "Grünfeld Defense, Exchange Variation, Spassky Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5"),
("D88", "Grünfeld Defense, Exchange Variation, Spassky Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4"),
("D89", "Grünfeld Defense, Exchange Variation, Spassky Variation", "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6"),
("D94", "Grünfeld Defense, Flohr Defense", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd3 c6 O-O Bf5"),
("D90", "Grünfeld Defense, Flohr Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qa4+"),
("D80", "Grünfeld Defense, General", "d4 Nf6 c4 g6 Nc3 d5"),
("D94", "Grünfeld Defense, Makogonov Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O b4"),
("D94", "Grünfeld Defense, Opocensky Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd2"),
("D96", "Grünfeld Defense, Russian Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3"),
("D81", "Grünfeld Defense, Russian Variation, Accelerated Variation", "d4 Nf6 c4 g6 Nc3 d5 Qb3"),
("D97", "Grünfeld Defense, Russian Variation, Byrne (Simagin) Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Nc6"),
("D97", "Grünfeld Defense, Russian Variation, Hungarian Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6"),
("D97", "Grünfeld Defense, Russian Variation, Prins Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Na6"),
("D98", "Grünfeld Defense, Russian Variation, Smyslov Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4"),
("D99", "Grünfeld Defense, Russian Variation, Smyslov Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Qb3"),
("D97", "Grünfeld Defense, Russian Variation, Szabo (Boleslavsky)", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 c6"),
("D97", "Grünfeld Defense, Russian Variation, With e4", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4"),
("D94", "Grünfeld Defense, Smyslov Defense", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd3 c6 O-O Bg4"),
("D90", "Grünfeld Defense, Three Knights Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7"),
("D94", "Grünfeld Defense, Three Knights Variation, Burille Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3"),
("D94", "Grünfeld Defense, Three Knights Variation, Burille Variation, Reversed Tarrasch", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 c5 Be2 cxd4 exd4 Nc6 O-O O-O"),
("D92", "Grünfeld Defense, Three Knights Variation, Hungarian Attack", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4"),
("D93", "Grünfeld Defense, Three Knights Variation, Hungarian Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3"),
("D94", "Grünfeld Defense, Three Knights Variation, Paris Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd3"),
("D91", "Grünfeld Defense, Three Knights Variation, Petrosian System", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5"),
("D95", "Grünfeld Defense, Three Knights Variation, Vienna Variation", "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3"),
("D80", "Grünfeld Defense, Zaitsev Gambit", "d4 Nf6 c4 g6 Nc3 d5 h4"),
("C40", "Gunderam Defense, General", "e4 e5 Nf3 Qe7"),
("A40", "Horwitz Defense, General", "d4 e6"),
("A00", "Hungarian Opening, Catalan Formation", "g3 d5 Bg2 e6"),
("A00", "Hungarian Opening, Dutch Defense", "g3 f5"),
("A00", "Hungarian Opening, General", "g3"),
("A00", "Hungarian Opening, Indian Defense", "g3 Nf6"),
("A00", "Hungarian Opening, Reversed Modern Defense", "g3 d5 Bg2 c5"),
("A00", "Hungarian Opening, Sicilian Invitation", "g3 c5"),
("A00", "Hungarian Opening, Slav Formation", "g3 d5 Bg2 c6"),
("A00", "Hungarian Opening, Symmetrical Variation", "g3 g6"),
("A47", "Indian Game Defense, Pseudo-Queen's Indian, Marienbad System", "d4 Nf6 Nf3 b6 g3 Bb7 Bg2 c5"),
("E60", "Indian Game, Anti-Grünfeld, Advance Variation", "d4 Nf6 c4 g6 d5"),
("D70", "Indian Game, Anti-Grünfeld, Alekhine Variation", "d4 Nf6 c4 g6 f3"),
("E10", "Indian Game, Anti-Nimzo-indian", "d4 Nf6 c4 e6 Nf3"),
("A51", "Indian Game, Budapest Defense", "d4 Nf6 c4 e5"),
("A48", "Indian Game, Colle System, King's Indian Variation", "d4 Nf6 Nf3 g6 e3 Bg7 Bd3 d6"),
("A46", "Indian Game, Czech-Indian", "d4 Nf6 Nf3 c6"),
("E10", "Indian Game, Dzindzi-Indian Defense", "d4 Nf6 c4 e6 Nf3 a6"),
("E00", "Indian Game, East Indian Defense", "d4 Nf6 c4 e6"),
("A45", "Indian Game, General", "d4 Nf6"),
("E61", "Indian Game, Kingside Fianchetto", "d4 Nf6 c4 g6"),
("A46", "Indian Game, Knights Variation, General", "d4 Nf6 Nf3"),
("A46", "Indian Game, London System", "d4 Nf6 Nf3 e6 Bf4"),
("A48", "Indian Game, London System", "d4 Nf6 Nf3 g6 Bf4"),
("A50", "Indian Game, Nomal Variation", "d4 Nf6 c4"),
("A46", "Indian Game, Polish Variation", "d4 Nf6 Nf3 b5"),
("A49", "Indian Game, Przepiorka Variation", "d4 Nf6 Nf3 g6 g3"),
("A46", "Indian Game, Pseudo-Benko", "d4 Nf6 Nf3 c5 d5 b5"),
("A49", "Indian Game, Pseudo-King's Indian Variation", "d4 Nf6 Nf3 g6"),
("A47", "Indian Game, Pseudo-Queen's Indian", "d4 Nf6 Nf3 b6"),
("A45", "Indian Game, Reversed Chigorin Defense", "d4 Nf6 Nc3 c5"),
("A50", "Indian Game, Saemisch-Indian", "d4 Nf6 c4 b6"),
("E00", "Indian Game, Seirawan Attack", "d4 Nf6 c4 e6 Bg5"),
("A46", "Indian Game, Spielmann-Indian", "d4 Nf6 Nf3 c5"),
("A45", "Indian Game, Tartakower Attack", "d4 Nf6 g3"),
("A46", "Indian Game, Wade-Tarkatower Defense", "d4 Nf6 Nf3 d6"),
("A46", "Indian Game, Yusupov-Rubinstein System", "d4 Nf6 Nf3 e6 e3"),
("C55", "Italian Game, Anti-Fried Liver Defense", "e4 e5 Nf3 Nc6 Bc4 h6"),
("C53", "Italian Game, Bird's Attack", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 b4"),
("C53", "Italian Game, Classical Variation, Albin Gambit", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 O-O"),
("C53", "Italian Game, Classical Variation, Center Atttack", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4"),
("C53", "Italian Game, Classical Variation, Center Holding Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6"),
("C53", "Italian Game, Classical Variation, Closed Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7"),
("C53", "Italian Game, Classical Variation, De la Bourdonnais Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 d6 d4 exd4 cxd4 Bb6"),
("C53", "Italian Game, Classical Variation, General", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3"),
("C53", "Italian Game, Classical Variation, Giuoco Pianissimo", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3"),
("C53", "Italian Game, Classical Variation, Giuoco Pianissimo, Main line", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 a6 Bb3 Ba7 h3 O-O O-O d6 Re1"),
("C53", "Italian Game, Classical Variation, Greco Gambit", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 e5 d5"),
("C54", "Italian Game, Classical Variation, Greco Gambit, Anderssen Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 e5 d5 Bb5 Ne4 cxd4 Bb4+"),
("C54", "Italian Game, Classical Variation, Greco Gambit, Mason Gambit", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 O-O"),
("C54", "Italian Game, Classical Variation, Greco Gambit, Moeller-Therkatz Attack", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Bxc3 d5"),
("C54", "Italian Game, Classical Variation, Greco Gambit, Traditional Line", "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4"),
("C55", "Italian Game, Deutz Gambit", "e4 e5 Nf3 Nc6 Bc4 Bc5 O-O Nf6 d4"),
("C51", "Italian Game, Evans Gambit, Anderssen Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Be7"),
("C51", "Italian Game, Evans Gambit, Anderssen Variation, Cordel Line", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Be7 d4 Na5"),
("C51", "Italian Game, Evans Gambit, MacDonnell Defense", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5"),
("C51", "Italian Game, Evans Gambit, MacDonnell Defense, Main Line", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6"),
("C52", "Italian Game, Evans Gambit, Mieses Defense", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 exd4 O-O Nge7"),
("C52", "Italian Game, Evans Gambit, Pierce Defense", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 exd4"),
("C51", "Italian Game, Evans Gambit, Stone-Ware Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bd6"),
("C52", "Italian Game, Evans Gambit, Tartakower Attack", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 d6 Qb3"),
("C50", "Italian Game, General", "e4 e5 Nf3 Nc6 Bc4"),
("C50", "Italian Game, Giuoco Pianissimo", "e4 e5 Nf3 Nc6 Bc4 Bc5 d3"),
("C50", "Italian Game, Giuoco Pianissimo, Canal Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3 d6 Bg5"),
("C50", "Italian Game, Giuoco Pianissimo, Italian Four Knights Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3"),
("C50", "Italian Game, Giuoco Pianissimo, Normal", "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6"),
("C50", "Italian Game, Hungarian Defense", "e4 e5 Nf3 Nc6 Bc4 Be7"),
("C50", "Italian Game, Italian Variation", "e4 e5 Nf3 Nc6 Bc4 Bc5"),
("C50", "Italian Game, Schilling-Kostic Gambit", "e4 e5 Nf3 Nc6 Bc4 Nd4"),
("C56", "Italian Game, Scotch Gambit, Anderssen Attack", "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3"),
("C55", "Italian Game, Scotch Gambit, De Riviere Defense", "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Be7"),
("C55", "Italian Game, Scotch Gambit, Janowski Defense", "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O d6"),
("C55", "Italian Game, Scotch Gambit, Max Lange Attack", "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5"),
("C55", "Italian Game, Scotch Gambit, Max Lange Attack, Long Variation", "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 d5 exf6 dxc4 Re1+ Be6 Ng5 Qd5 Nc3 Qf5 Nce4"),
("C55", "Italian Game, Two Knights Defense", "e4 e5 Nf3 Nc6 Bc4 Nf6"),
("C57", "Italian Game, Two Knights Defense, Fried Liver Attack", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nxd5 Nxf7"),
("C57", "Italian Game, Two Knights Defense, Fritz Variation", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4"),
("C55", "Italian Game, Two Knights Defense, Modern Bishop's Opening", "e4 e5 Nf3 Nc6 Bc4 Nf6 d3"),
("C55", "Italian Game, Two Knights Defense, Perreux Variation", "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 Ng5"),
("C58", "Italian Game, Two Knights Defense, Polerio Defense, Bishop Check line", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+"),
("C58", "Italian Game, Two Knights Defense, Polerio Defense, Bogoljubow Variation", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Qf3"),
("C58", "Italian Game, Two Knights Defense, Polerio Defense, Kieseritsky Variation", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 d3"),
("C59", "Italian Game, Two Knights Defense, Polerio Defense, Suhle Defense", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6"),
("C57", "Italian Game, Two Knights Defense, Traxler Counterattack, Bishop sac line", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Bxf7+"),
("C57", "Italian Game, Two Knights Defense, Ulvestad Variation", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 b5"),
("C51", "Itslian Game, Evans Gambit, Declined", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6"),
("E00", "Kangaroo Defense, General", "d4 e6 c4 Bb4+"),
("E00", "Kangaroo Defense, Keres Defense, Transpositional Variation", "d4 e6 c4 Bb4+ Nc3"),
("C20", "King Pawn Game, Alapin Opening", "e4 e5 Ne2"),
("C20", "King Pawn Game, General", "e4 e5"),
("C20", "King Pawn Game, Leonardis Variation", "e4 e5 d3"),
("B07", "King Pawn Game, Maroczy Defense", "e4 d6 d4 e5"),
("C44", "King Pawn Game, Tayler Opening", "e4 e5 Nf3 Nc6 Be2"),
("C44", "King Pawn Game, Tayler Opening, Inverted Hanham", "e4 e5 Nf3 Nc6 Be2 Nf6 d3 d5 Nbd2"),
("C36", "King's Gambit, Accepted, Abbazia Defense", "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6"),
("C34", "King's Gambit, Accepted, Becker Defense", "e4 e5 f4 exf4 Nf3 h6"),
("C33", "King's Gambit, Accepted, Bishop's Gambit", "e4 e5 f4 exf4 Bc4"),
("C33", "King's Gambit, Accepted, Bishop's Gambit, Bledow Countergambit", "e4 e5 f4 exf4 Bc4 d5 Bxd5 Nf6"),
("C33", "King's Gambit, Accepted, Bishop's Gambit, Bogoljubow Defense", "e4 e5 f4 exf4 Bc4 Nf6 Nc3 c6"),
("C33", "King's Gambit, Accepted, Bishop's Gambit, Bogoljubow Variation", "e4 e5 f4 exf4 Bc4 Nf6 Nc3"),
("C34", "King's Gambit, Accepted, Bonsch-Osmolovsky Variation", "e4 e5 f4 exf4 Nf3 Ne7"),
("C35", "King's Gambit, Accepted, Cunningham Defense", "e4 e5 f4 exf4 Nf3 Be7"),
("C35", "King's Gambit, Accepted, Cunningham Defense, McCormick Defense", "e4 e5 f4 exf4 Nf3 Be7 Bc4 Nf6"),
("C34", "King's Gambit, Accepted, Fischer Defense", "e4 e5 f4 exf4 Nf3 d6"),
("C38", "King's Gambit, Accepted, Hanstein Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7 O-O"),
("C39", "King's Gambit, Accepted, Kieseritsky Gambit, Kolisch Defense", "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 d6"),
("C39", "King's Gambit, Accepted, Kieseritsky Gambit, Rubinstein Variation", "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Nf6 d4"),
("C34", "King's Gambit, Accepted, MacLeod Defense", "e4 e5 f4 exf4 Nf3 Nc6"),
("C36", "King's Gambit, Accepted, Modern Defense", "e4 e5 f4 exf4 Nf3 d5"),
("C34", "King's Gambit, Accepted, Schallop Defense", "e4 e5 f4 exf4 Nf3 Nf6"),
("C38", "King's Gambit, Accepted, Traditional Variation", "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7"),
("C30", "King's Gambit, Declined, Classical Variation", "e4 e5 f4 Bc5"),
("C30", "King's Gambit, Declined, Classical Variation, General", "e4 e5 f4 Bc5 Nf3 d6 c3"),
("C30", "King's Gambit, Declined, Keene Defense", "e4 e5 f4 Qh4+ g3 Qe7"),
("C30", "King's Gambit, Declined, Queen's Knight Defense", "e4 e5 f4 Nc6"),
("C31", "King's Gambit, Falkbeer Countergambit, Charousek Gambit", "e4 e5 f4 d5 exd5 e4 d3"),
("C32", "King's Gambit, Falkbeer Countergambit, Charousek Gambit, Accepted", "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4"),
("C32", "King's Gambit, Falkbeer Countergambit, Modern Transfer", "e4 e5 f4 d5 exd5 exf4"),
("C31", "King's Gambit, Falkbeer Countergambit, Nimzowitsch-Marshall Countergambit", "e4 e5 f4 d5 exd5 c6"),
("C31", "King's Gambit, Falkbeer Countergambit, Staunton Line", "e4 e5 f4 d5 exd5 e4"),
("C30", "King's Gambit, General", "e4 e5 f4"),
("A07", "King's Indian Attack, Double Fianchetto", "Nf3 d5 g3 g6"),
("A07", "King's Indian Attack, General", "Nf3 d5 g3"),
("A07", "King's Indian Attack, Keres Variation", "Nf3 d5 g3 Bg4 Bg2 Nd7"),
("A07", "King's Indian Attack, Pachman System", "Nf3 d5 g3 g6 Bg2 Bg7 O-O e5 d3 Ne7"),
("A08", "King's Indian Attack, Sicilian Variation", "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Nf6 Nbd2 Be7 e4 O-O Re1"),
("A07", "King's Indian Attack, Sicilian Variation", "Nf3 d5 g3 c5"),
("A08", "King's Indian Attack, Sicilian Variation", "Nf3 d5 g3 c5 Bg2"),
("A05", "King's Indian Attack, Smyslov Variation", "Nf3 Nf6 g3 g6 b4"),
("A05", "King's Indian Attack, Spassky Variation", "Nf3 Nf6 g3 b5"),
("A05", "King's Indian Attack, Symmterical Defense", "Nf3 Nf6 g3 g6"),
("A05", "King's Indian Attack, Wahls Defense", "Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O d3 d5"),
("A07", "King's Indian Attack, Yugoslav Variation", "Nf3 d5 g3 Nf6 Bg2 c6 O-O Bg4"),
("E70", "King's Indian Defense, Accelerated Averbakh Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bg5"),
("E73", "King's Indian Defense, Averbakh Variation, 6…Nc6 Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Nc6"),
("E73", "King's Indian Defense, Averbakh Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5"),
("E75", "King's Indian Defense, Averbakh Variation, Benoni Defense, Advance Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5"),
("E74", "King's Indian Defense, Averbakh Variation, Benoni Defense, Exchange Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 dxc5"),
("E73", "King's Indian Defense, Averbakh Variation, Flexible Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6"),
("E73", "King's Indian Defense, Averbakh Variation, Geller Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Nbd7"),
("E73", "King's Indian Defense, Averbakh Variation, Modern Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6"),
("E73", "King's Indian Defense, Averbakh Variation, Spanish Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 a6"),
("E92", "King's Indian Defense, Exchange Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 dxe5"),
("E61", "King's Indian Defense, Fianchetto Variation, Benjamin Defense", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Qb6"),
("E67", "King's Indian Defense, Fianchetto Variation, Classical Fianchetto", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5"),
("E69", "King's Indian Defense, Fianchetto Variation, Classical Main Line", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3"),
("E67", "King's Indian Defense, Fianchetto Variation, Debrecen Defense", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7"),
("E62", "King's Indian Defense, Fianchetto Variation, Delayed Fianchetto", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3"),
("E64", "King's Indian Defense, Fianchetto Variation, Double Fianchetto Attack", "d4 Nf6 c4 g6 Nf3 Bg7 g3 d6 Bg2 O-O O-O Nbd7 Nc3 e5 b3"),
("E64", "King's Indian Defense, Fianchetto Variation, Hungarian Variation", "d4 Nf6 c4 g6 Nf3 Bg7 g3 d6 Bg2 O-O O-O Nbd7 Nc3 a6"),
("E60", "King's Indian Defense, Fianchetto Variation, Immediate Fianchetto", "d4 Nf6 c4 g6 g3"),
("E62", "King's Indian Defense, Fianchetto Variation, Karlsbad Variation", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6"),
("E62", "King's Indian Defense, Fianchetto Variation, Kavalek Defense", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Qa5"),
("E62", "King's Indian Defense, Fianchetto Variation, Larsen Defense", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Bf5"),
("E62", "King's Indian Defense, Fianchetto Variation, Lesser Simagin (Spassky)", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Bf5"),
("E68", "King's Indian Defense, Fianchetto Variation, Long Variation", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 Re8 h3 exd4 Nxd4 Nc5 Re1 a5"),
("E63", "King's Indian Defense, Fianchetto Variation, Panno Variation", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6"),
("E63", "King's Indian Defense, Fianchetto Variation, Panno Variation, Donner Line", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 d5 Na5 Nd2 c5 Qc2 Rb8 b3 b5 Bb2 bxc4 bxc4 Bh6"),
("E63", "King's Indian Defense, Fianchetto Variation, Panno Variation, Korchnoi Line", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 h3 Rb8 Be3 b5 Nd2"),
("E64", "King's Indian Defense, Fianchetto Variation, Pterodactyl Variation", "d4 Nf6 c4 g6 Nf3 Bg7 g3 c5 Bg2 Qa5+"),
("E62", "King's Indian Defense, Fianchetto Variation, Simagin Variation", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Bg4"),
("E62", "King's Indian Defense, Fianchetto Variation, Uhlmann-Szabo System", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O e5"),
("E64", "King's Indian Defense, Fianchetto Variation, Yugoslav System w/o Nc3", "d4 Nf6 c4 g6 Nf3 Bg7 g3 d6 Bg2 O-O O-O c5"),
("E65", "King's Indian Defense, Fianchetto Variation, Yugoslav Variation", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O"),
("E66", "King's Indian Defense, Fianchetto Variation, Yugoslav Variation, Advance Line", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5"),
("E66", "King's Indian Defense, Fianchetto Variation, Yugoslav Variation, Exchange Line", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 dxc5 dxc5"),
("E64", "King's Indian Defense, Fianchetto Variation, Yugoslav Variation, Rare Lines", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5"),
("E76", "King's Indian Defense, Four Pawns Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4"),
("E76", "King's Indian Defense, Four Pawns Attack, Dynamic Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 d5"),
("E79", "King's Indian Defense, Four Pawns Attack, Exchange Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3 cxd4 Nxd4 Nc6 Be3"),
("E77", "King's Indian Defense, Four Pawns Attack, Florentine Gambit", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 d5 e6 Nf3 exd5 e5"),
("E78", "King's Indian Defense, Four Pawns Attack, Fluid Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3"),
("E77", "King's Indian Defense, Four Pawns Attack, General", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2"),
("E77", "King's Indian Defense, Four Pawns Attack, Normal Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 d5 e6 Nf3"),
("E91", "King's Indian Defense, Kazakh Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Na6"),
("E70", "King's Indian Defense, Kramer Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nge2"),
("E90", "King's Indian Defense, Larsen Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be3"),
("E71", "King's Indian Defense, Makagonov Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3"),
("E70", "King's Indian Defense, Normal Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4"),
("E72", "King's Indian Defense, Normal Variation, Deferred Fianchetto", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3"),
("E60", "King's Indian Defense, Normal Variation, King's Knight Variation", "d4 Nf6 c4 g6 Nf3"),
("E90", "King's Indian Defense, Normal Variation, Rare Defenses", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3"),
("E73", "King's Indian Defense, Normal Variation, Standard Development", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2"),
("E94", "King's Indian Defense, Orthodox Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O"),
("E92", "King's Indian Defense, Orthodox Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5"),
("E97", "King's Indian Defense, Orthodox Variation, Aronin-Taimanov Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6"),
("E97", "King's Indian Defense, Orthodox Variation, Bayonet Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4"),
("E97", "King's Indian Defense, Orthodox Variation, Bayonet Attack, Sokolov's Line", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1"),
("E99", "King's Indian Defense, Orthodox Variation, Classical System, Benko Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 g4"),
("E99", "King's Indian Defense, Orthodox Variation, Classical System, Kozul Gambit", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Be3 f5 f3 f4 Bf2 g5 Rc1 Ng6 c5"),
("E98", "King's Indian Defense, Orthodox Variation, Classical System, Misc. Lines", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1"),
("E99", "King's Indian Defense, Orthodox Variation, Classical System, Neo-Classsical Line", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Be3"),
("E99", "King's Indian Defense, Orthodox Variation, Classical System, Traditional Line", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5"),
("E94", "King's Indian Defense, Orthodox Variation, Donner Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O c6"),
("E91", "King's Indian Defense, Orthodox Variation, General", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2"),
("E94", "King's Indian Defense, Orthodox Variation, Glek Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6"),
("E92", "King's Indian Defense, Orthodox Variation, Gligoric-Taimanov System", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3"),
("E97", "King's Indian Defense, Orthodox Variation, Korchnoi Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Bd2"),
("E97", "King's Indian Defense, Orthodox Variation, Modern System", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2"),
("E94", "King's Indian Defense, Orthodox Variation, Positional Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7"),
("E94", "King's Indian Defense, Orthodox Variation, Positional Defense, Closed Line", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 d5"),
("E96", "King's Indian Defense, Orthodox Variation, Positional Defense, Main Line", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5"),
("E92", "King's Indian Defense, Petrosian Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5"),
("E93", "King's Indian Defense, Petrosian Variation, Keres Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5 h6 Bh4 g5 Bg3 Nh5 h4"),
("E93", "King's Indian Defense, Petrosian Variation, Normal Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7"),
("E92", "King's Indian Defense, Petrosian Variation, Stein Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5"),
("E72", "King's Indian Defense, Pomar System", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2 e5 Nge2"),
("E80", "King's Indian Defense, Saemisch Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3"),
("E86", "King's Indian Defense, Saemisch Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6"),
("E81", "King's Indian Defense, Saemisch Variation, Bobotsov-Korchnoi-Petrosian Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Nge2"),
("E81", "King's Indian Defense, Saemisch Variation, Byrne Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c6 Bd3 a6"),
("E87", "King's Indian Defense, Saemisch Variation, Closed Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5"),
("E88", "King's Indian Defense, Saemisch Variation, Closed Variation, 7…c6", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6"),
("E89", "King's Indian Defense, Saemisch Variation, Closed Variation, Main Line", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5"),
("E82", "King's Indian Defense, Saemisch Variation, Double Fianchetto", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6"),
("E81", "King's Indian Defense, Saemisch Variation, Normal Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O"),
("E85", "King's Indian Defense, Saemisch Variation, Orthodox Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5"),
("E83", "King's Indian Defense, Saemisch Variation, Panno Formation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6"),
("E83", "King's Indian Defense, Saemisch Variation, Yates Defense", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6"),
("E73", "King's Indian Defense, Semi-Averbakh System", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Be3"),
("E77", "King's Indian Defense, Six Pawns Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6"),
("E61", "King's Indian Defense, Smyslov Variation", "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 Bg5"),
("E76", "King's Indian Defense, Steiner Attack", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5"),
("E90", "King's Indian Defense, Zinnowitz Variation", "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Bg5"),
("C44", "King's Knight Opening, Konstantinopolsky Opening", "e4 e5 Nf3 Nc6 g3"),
("C44", "King's Knight Opening, Normal Variation", "e4 e5 Nf3 Nc6"),
("B00", "King's Pawn Opening, General", "e4"),
("C40", "Latvian Gambit, Accepted", "e4 e5 Nf3 f5 exf5"),
("C40", "Latvian Gambit, Accepted, Bilguer Variation", "e4 e5 Nf3 f5 Nxe5 Qf6 d4 d6 Nc4"),
("C40", "Latvian Gambit, Accepted, Leonhardt Variation", "e4 e5 Nf3 f5 Nxe5 Qf6 Nc4 fxe4 Nc3"),
("C40", "Latvian Gambit, Fraser Defense", "e4 e5 Nf3 f5 Nxe5 Nc6"),
("C40", "Latvian Gambit, General", "e4 e5 Nf3 f5"),
("C40", "Latvian Gambit, Mason Countergambit", "e4 e5 Nf3 f5 d4"),
("B07", "Lion Defense, Anti-Philidor, Lion's Cave", "e4 d6 d4 Nf6 Nc3 Nbd7 f4 e5"),
("B07", "Lion Defense, Bayonet Attack", "e4 d6 d4 Nf6 Nc3 Nbd7 g4"),
("B07", "Lion Defense, Lion's Jaw", "e4 d6 d4 Nf6 f3"),
("D02", "London System, Poisoned Pawn Variation", "d4 d5 Nf3 Nf6 Bf4 c5 e3 Qb6 Nc3"),
("A50", "Mexican Defense, General", "d4 Nf6 c4 Nc6"),
("A00", "Mieses Opening, General", "d3"),
("A00", "Mieses Opening, Reversed Rat", "d3 e5"),
("A40", "Mikenas Defense", "d4 Nc6"),
("A40", "Mikenas Defense, Lithuanian Variation", "d4 Nc6 c4 e5 d5 Nce7"),
("A42", "Modern Defense, Averbakh System, Kotov Variation", "d4 g6 c4 Bg7 Nc3 d6 e4 Nc6"),
("A42", "Modern Defense, Averbakh System, Randspringer Variation", "d4 g6 c4 Bg7 Nc3 d6 e4 f5"),
("A42", "Modern Defense, Averbakh Variation", "d4 g6 c4 Bg7 Nc3 d6 e4"),
("A42", "Modern Defense, Averbakh Variation, Pseudo-Saemisch", "d4 g6 c4 Bg7 e4 d6 Be3 Nf6 f3"),
("A40", "Modern Defense, Beefeater Variation", "d4 g6 c4 Bg7 Nc3 c5 d5 Bxc3+ bxc3 f5"),
("B06", "Modern Defense, Bishop Attack", "e4 g6 d4 Bg7 Bc4"),
("B06", "Modern Defense, Geller's System", "e4 g6 d4 Bg7 Nf3 d6 c3"),
("A41", "Modern Defense, General", "d4 g6 c4 Bg7 Nc3 d6"),
("B06", "Modern Defense, Gurgenidze Defense", "e4 g6 d4 Bg7 Nc3 c6 f4 d5 e5 h5"),
("B06", "Modern Defense, Improved Maroczy", "e4 g6 d4 Bg7 Nf3 c5 c4 Qb6"),
("B06", "Modern Defense, King Pawn Fianchetto", "e4 g6"),
("B06", "Modern Defense, Lizard Defense, Mittenberger Gambit", "e4 g6 d4 Bg7 Nc3 d5"),
("B06", "Modern Defense, Modern Pterodactyl", "e4 g6 d4 Bg7 Nc3 c5"),
("B06", "Modern Defense, Norwegian Defense", "e4 g6 d4 Nf6"),
("B06", "Modern Defense, Pseudo-Austrian Attack", "e4 g6 d4 Bg7 Nc3 d6 f4"),
("A40", "Modern Defense, Queen Pawn Fianchetto", "d4 g6"),
("A41", "Modern Defense, Rossolimo Variation", "e4 g6 d4 Bg7 Nf3 d6 c4 Bg4"),
("B06", "Modern Defense, Semi-Averbakh Variation, Pterodactyl Variation", "e4 g6 d4 Bg7 c4 c5 Nf3 Qa5+"),
("B06", "Modern Defense, Standard Defense", "e4 g6 d4 Bg7 Nc3 d6"),
("B06", "Modern Defense, Standard Line", "e4 g6 d4 Bg7 Nc3"),
("B06", "Modern Defense, Three Pawns Attack", "e4 g6 d4 Bg7 f4"),
("B06", "Modern Defense, Two Knights Variation", "e4 g6 d4 Bg7 Nc3 d6 Nf3"),
("B06", "Modern Defense, Two Knights Variation, Suttles Variation", "e4 g6 d4 Bg7 Nc3 d6 Nf3 c6"),
("D77", "Neo-Grünfeld Defense, Classical Variation", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O"),
("D78", "Neo-Grünfeld Defense, Classical Variation, Modern Defense", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4"),
("D78", "Neo-Grünfeld Defense, Classical Variation, Original Defense", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6"),
("D78", "Neo-Grünfeld Defense, Classical Variation, Polgar Variation", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O Nc6"),
("D75", "Neo-Grünfeld Defense, Delayed Exchange Variation", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 dxc5"),
("D76", "Neo-Grünfeld Defense, Delayed Exchange Variation", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6"),
("D74", "Neo-Grünfeld Defense, Delayed Exchange Variation", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O"),
("D75", "Neo-Grünfeld Defense, Delayed Exchange Variation", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 Nc3"),
("D72", "Neo-Grünfeld Defense, Exchange Variation with e4", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb6 Ne2"),
("D71", "Neo-Grünfeld Defense, Exchange Variation", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5"),
("D73", "Neo-Grünfeld Defense, Misc. with Nf3", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3"),
("D79", "Neo-Grünfeld Defense, Ultra-delayed Exchange Variation", "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5"),
("D70", "Neo-Grünfeld Defense, Goglidze Attack", "d4 Nf6 c4 g6 f3 d5"),
("D70", "Neo-Grünfeld Defense, Non- or Delayed Fianchetto", "d4 Nf6 c4 g6 Nf3 d5"),
("E32", "Nimzo-Indian Defense, Classical Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2"),
("E38", "Nimzo-Indian Defense, Classical Variation, Berlin Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5"),
("E39", "Nimzo-Indian Defense, Classical Variation, Berlin Variation, Macieja System", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O a3 Bxc5 Nf3 b6 Bf4"),
("E32", "Nimzo-Indian Defense, Classical Variation, Keres Defense", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6"),
("E39", "Nimzo-Indian Defense, Classical Variation, Lisitsyn-Bondarevsky Gambit", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O"),
("E33", "Nimzo-Indian Defense, Classical Variation, Milner-Barry Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6"),
("E37", "Nimzo-Indian Defense, Classical Variation, Noa Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Ne4 Qc2"),
("E34", "Nimzo-Indian Defense, Classical Variation, Noa Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5"),
("E36", "Nimzo-Indian Defense, Classical Variation, Noa Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3"),
("E35", "Nimzo-Indian Defense, Classical Variation, Noa Variation, Modern Line", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5"),
("E32", "Nimzo-Indian Defense, Classical Variation, Vitolinsh-Adorjan Gambit", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b5"),
("E33", "Nimzo-Indian Defense, Classical Variation, Zurich Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6"),
("E44", "Nimzo-Indian Defense, Fischer Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2"),
("E20", "Nimzo-Indian Defense, General", "d4 Nf6 c4 e6 Nc3 Bb4"),
("E41", "Nimzo-Indian Defense, Huebner Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5"),
("E41", "Nimzo-Indian Defense, Huebner Variation, Main Line", "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6"),
("E42", "Nimzo-Indian Defense, Huebner Variation, Rubinstein Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2"),
("E42", "Nimzo-Indian Defense, Huebner Variation, Rubinstein Variation, Main Line", "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2 cxd4 exd4 O-O a3"),
("E20", "Nimzo-Indian Defense, Kmoch Variation", "d4 Nf6 c4 e6 Nc3 Bb4 f3"),
("E30", "Nimzo-Indian Defense, Leningrad Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Bg5"),
("E30", "Nimzo-Indian Defense, Leningrad Variation, Averbakh Gambit", "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 b5"),
("E31", "Nimzo-Indian Defense, Leningrad Variation, Benoni Defense", "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6"),
("E40", "Nimzo-Indian Defense, Normal Line", "d4 Nf6 c4 e6 Nc3 Bb4 e3"),
("E46", "Nimzo-Indian Defense, Normal Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O"),
("E59", "Nimzo-Indian Defense, Normal Variation, Bernstein Defense", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4"),
("E53", "Nimzo-Indian Defense, Normal Variation, Bernstein Defense, Except Gligoric System", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5"),
("E58", "Nimzo-Indian Defense, Normal Variation, Bernstein Defense, Exchange Line", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3"),
("E47", "Nimzo-Indian Defense, Normal Variation, Bishop Attack", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3"),
("E48", "Nimzo-Indian Defense, Normal Variation, Bishop Attack, Classical Defense", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5"),
("E49", "Nimzo-Indian Defense, Normal Variation, Botvinnik System", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3"),
("E45", "Nimzo-Indian Defense, Normal Variation, Bronstein (Byrne) Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6"),
("E53", "Nimzo-Indian Defense, Normal Variation, Gligoric System", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nbd7"),
("E56", "Nimzo-Indian Defense, Normal Variation, Gligoric System, Bernstein Defense", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6"),
("E55", "Nimzo-Indian Defense, Normal Variation, Gligoric System, Bronstein Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7"),
("E54", "Nimzo-Indian Defense, Normal Variation, Gligoric System, Exchange at c4", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4"),
("E53", "Nimzo-Indian Defense, Normal Variation, Gligoric System, Keres Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O b6"),
("E54", "Nimzo-Indian Defense, Normal Variation, Gligoric System, Smyslov Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Qe7"),
("E50", "Nimzo-Indian Defense, Normal Variation, Hübner Deferred", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 c5"),
("E51", "Nimzo-Indian Defense, Normal Variation, Ragozin Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5"),
("E51", "Nimzo-Indian Defense, Normal Variation, Saemisch Deferred", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 a3"),
("E52", "Nimzo-Indian Defense, Normal Variation, Schlechter Defense", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6"),
("E40", "Nimzo-Indian Defense, Normal Variation, Taimanov Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6"),
("E54", "Nimzo-Indian Defense, Panov Attack, Main Line", "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Nf3 cxd4 exd4 d5"),
("E46", "Nimzo-Indian Defense, Ragozin Defense", "d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6 Nf3 O-O Bd3 d5 O-O"),
("E20", "Nimzo-Indian Defense, Ragozin Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 d5"),
("E46", "Nimzo-Indian Defense, Reshevsky Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2"),
("E20", "Nimzo-Indian Defense, Romanishin Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 g3 O-O Bg2"),
("E20", "Nimzo-Indian Defense, Romanishin Variation", "d4 Nf6 c4 e6 Nc3 Bb4 g3"),
("E20", "Nimzo-Indian Defense, Romanishin Variation, English Hybrid", "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 g3 O-O Bg2 cxd4 Nxd4 d5 cxd5 Nxd5"),
("E29", "Nimzo-Indian Defense, Saemisch Variation", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6"),
("E26", "Nimzo-Indian Defense, Saemisch Variation", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 e3"),
("E25", "Nimzo-Indian Defense, Saemisch Variation", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5"),
("E27", "Nimzo-Indian Defense, Saemisch Variation", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O"),
("E28", "Nimzo-Indian Defense, Saemisch Variation", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3"),
("E24", "Nimzo-Indian Defense, Saemisch Variation, Accelerated", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3"),
("E29", "Nimzo-Indian Defense, Saemisch Variation, Capablanca Variation", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Ne2 b6 e4 Ne8"),
("E25", "Nimzo-Indian Defense, Saemisch Variation, Keres Variation", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5 dxc5"),
("E26", "Nimzo-Indian Defense, Saemisch Variation, O'Kelly Variation", "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 e3 b6"),
("E46", "Nimzo-Indian Defense, Simagin Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 d5 a3 Bd6"),
("E22", "Nimzo-Indian Defense, Spielmann Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Qb3"),
("E23", "Nimzo-Indian Defense, Spielmann Variation, Romanovsky Gambit", "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6"),
("E43", "Nimzo-Indian Defense, St. Petersburg Variation", "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6"),
("E21", "Nimzo-Indian Defense, Three Knights Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Nf3"),
("E21", "Nimzo-Indian Defense, Three Knights Variation, Duchamp Variation", "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6"),
("E21", "Nimzo-Indian Defense, Three Knights Variation, Duchamp Variation, Modern Line", "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6 Bg5 Bb7 Nd2"),
("A01", "Nimzo-Larsen Attack, Classical Variation", "b3 d5"),
("A01", "Nimzo-Larsen Attack, Dutch Variation", "b3 f5"),
("A01", "Nimzo-Larsen Attack, English Variation", "b3 c5"),
("A01", "Nimzo-Larsen Attack, General", "b3"),
("A01", "Nimzo-Larsen Attack, Indian Variation", "b3 Nf6"),
("A01", "Nimzo-Larsen Attack, Modern Variation", "b3 e5"),
("A01", "Nimzo-Larsen Attack, Symmetrical Variation", "b3 b6"),
("B00", "Nimzowitsch Defense, Declined Variation", "e4 Nc6 Nf3"),
("B00", "Nimzowitsch Defense, Franco-Nimzowitsch Variation", "e4 Nc6 Nf3 e6"),
("B00", "Nimzowitsch Defense, French Connection", "e4 Nc6 Nc3 e6"),
("B00", "Nimzowitsch Defense, General", "e4 Nc6"),
("B00", "Nimzowitsch Defense, Kennedy Variation, Linksspringer Variation", "e4 Nc6 d4 e5 d5"),
("B00", "Nimzowitsch Defense, Kennedy Variation, Paulsen Attack", "e4 Nc6 d4 e5 dxe5 Nxe5 Nf3"),
("B00", "Nimzowitsch Defense, Lean Variation, Colorado Counter Accepted", "e4 Nc6 Nf3 f5 exf5"),
("B00", "Nimzowitsch Defense, Mikenas Variation", "e4 Nc6 d4 d6"),
("B00", "Nimzowitsch Defense, Scandinavian Variation, Advance Variation", "e4 Nc6 d4 d5 e5"),
("B00", "Nimzowitsch Defense, Scandinavian Variation, Bogoljubow Variation", "e4 Nc6 d4 d5 Nc3"),
("B00", "Nimzowitsch Defense, Scandinavian Variation, Bogoljubow Variation, Nimzowitsch Gambit", "e4 Nc6 d4 d5 Nc3 dxe4 d5 Ne5"),
("B00", "Nimzowitsch Defense, Scandinavian Variation, Bogoljubow Variation, Vehre Variation", "e4 Nc6 d4 d5 Nc3 Nf6"),
("B00", "Nimzowitsch Defense, Scandinavian Variation, Exchange Variation", "e4 Nc6 d4 d5 exd5 Qxd5"),
("B00", "Nimzowitsch Defense, Williams Variation", "e4 Nc6 Nf3 d6"),
("A06", "Nimzowitsch-Larsen Attack, General", "Nf3 d5 b3"),
("A53", "Old Indian Defense, General", "d4 Nf6 c4 d6"),
("A53", "Old Indian Defense, Janowski Variation, Fianchetto Variation", "d4 Nf6 c4 d6 Nc3 Bf5 g3"),
("A53", "Old Indian Defense, Janowski Variation, Fianchetto Variation", "d4 Nf6 c4 d6 Nc3 Bf5 Nf3"),
("A53", "Old Indian Defense, Janowski Variation, Main Line", "d4 Nf6 c4 d6 Nc3 Bf5 f3"),
("A55", "Old Indian Defense, Normal Variation", "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4"),
("A54", "Old Indian Defense, Tartakower-Indian", "d4 Nf6 c4 d6 Nf3 Bg4"),
("A54", "Old Indian Defense, Two Knights Variation", "d4 Nf6 c4 d6 Nc3 e5 Nf3"),
("A54", "Old Indian Defense, Ukrainian Variation", "d4 Nf6 c4 d6 Nc3 e5"),
("A53", "Old Indian, Czech Variation w/Nc3", "d4 Nf6 c4 d6 Nc3 c6"),
("A53", "Old Indian, Czech Variation", "d4 Nf6 c4 d6 Nc3 c6 Nf3"),
("B00", "Owen Defense, General", "e4 b6"),
("C41", "Philidor Defense, Exchange Variation", "e4 e5 Nf3 d6 d4 exd4"),
("C41", "Philidor Defense, Exchange Variation", "e4 e5 Nf3 d6 d4 exd4 Nxd4"),
("C41", "Philidor Defense, Exchange Variation", "e4 e5 Nf3 d6 d4 exd4 Nxd4 Nf6"),
("C41", "Philidor Defense, General", "e4 e5 Nf3 d6 d4"),
("C41", "Philidor Defense, General", "e4 e5 Nf3 d6"),
("C41", "Philidor Defense, Hanham Variation", "e4 e5 Nf3 d6 d4 Nd7"),
("C41", "Philidor Defense, Hanham Variation, Krause Variation", "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 O-O"),
("C41", "Philidor Defense, Hanham Variation, Schlechter Variation", "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 Nc3"),
("C41", "Philidor Defense, Hanham Variation, Steiner Variation", "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 O-O Be7 dxe5"),
("C41", "Philidor Defense, Larsen Variation", "e4 e5 Nf3 d6 d4 exd4 Nxd4 g6"),
("C41", "Philidor Defense, Lion Variation", "e4 e5 Nf3 d6 d4 Nd7 Nc3 Ngf6"),
("C41", "Philidor Defense, Lion Variation, Bishop Sac", "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 Bxf7+"),
("C41", "Philidor Defense, Lion Variation, Forcing Line", "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 Ng5 O-O Bxf7+ Rxf7 Ne6"),
("C41", "Philidor Defense, Lion Variation, Lion's Claw II", "e4 e5 Nf3 d6 d4 Nd7 Nc3 Ngf6 Bc4 Be7 O-O h6"),
("C41", "Philidor Defense, Lion Variation, Shirov Gambit", "e4 e5 Nf3 d6 d4 Nd7 Nc3 Ngf6 g4"),
("C41", "Philidor Defense, Lion Variation, Sozin Variation", "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O Qe2 c6 a4 exd4"),
("C41", "Philidor Defense, Nimzowitsch Variation", "e4 e5 Nf3 d6 d4 Nf6"),
("C41", "Philidor Defense, Nimzowitsch Variation", "e4 e5 Nf3 d6 d4 Nf6 dxe5"),
("C41", "Philidor Defense, Nimzowitsch Variation, Rellstab Variation", "e4 e5 Nf3 d6 d4 Nf6 dxe5 Nxe4 Qd5"),
("B07", "Pirc Defense, 150 Attack", "e4 d6 d4 Nf6 Nc3 g6 Be3 c6 Qd2"),
("B07", "Pirc Defense, 150 Attack, Sveshnikov-Jansa Attack", "e4 d6 d4 Nf6 Nc3 g6 Be3 c6 h3"),
("B09", "Pirc Defense, Austrian Attack", "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O"),
("B09", "Pirc Defense, Austrian Attack", "e4 d6 d4 Nf6 Nc3 g6 f4"),
("B09", "Pirc Defense, Austrian Attack, Dragon Formation", "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5"),
("B09", "Pirc Defense, Austrian Attack, Kurajica Variation", "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Be3"),
("B09", "Pirc Defense, Austrian Attack, Unzicker Attack", "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O e5"),
("B09", "Pirc Defense, Austrian Attack, Unzicker Attack, Bronstein Variation", "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O e5 Nfd7 h4"),
("B09", "Pirc Defense, Austrian Attack, Weiss Variation", "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3"),
("B07", "Pirc Defense, Bayonet Attack", "e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7 h4"),
("B07", "Pirc Defense, Byrne Variation", "e4 d6 d4 Nf6 Nc3 g6 Bg5"),
("B07", "Pirc Defense, Chinese Variation", "e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7 g4"),
("B07", "Pirc Defense, Classical Variation", "e4 d6 d4 Nf6 Nc3 g6 Be2"),
("B07", "Pirc Defense, Classical Variation", "e4 d6 d4 Nf6 Nc3 g6 Nf3"),
("B08", "Pirc Defense, Classical Variation, Quiet System", "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2"),
("B08", "Pirc Defense, Classical Variation, Quiet System, Chigorin Line", "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Nc6"),
("B08", "Pirc Defense, Classical Variation, Quiet System, Czech Defense", "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O c6"),
("B08", "Pirc Defense, Classical Variation, Quiet System, Parma Defense", "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Bg4"),
("B08", "Pirc Defense, Classical Variation, Schlechter Variation", "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3"),
("B08", "Pirc Defense, Classical Variation, Two Knights System", "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7"),
("B07", "Pirc Defense, General", "e4 d6 d4 Nf6"),
("B07", "Pirc Defense, Kholmov System", "e4 d6 d4 Nf6 Nc3 g6 Bc4"),
("A40", "Polish Defense, General", "d4 b5"),
("A00", "Polish Opening, Czech Defense", "b4 e5 Bb2 d6"),
("A00", "Polish Opening, Baltic Defense", "b4 d5 Bb2 Bf5"),
("A00", "Polish Opening, Bugayev Attack", "b4 e5 a3"),
("A00", "Polish Opening, General", "b4"),
("A00", "Polish Opening, German Defense", "b4 d5 Bb2 Qd6"),
("A00", "Polish Opening, King's Indian Variation", "b4 Nf6 Bb2 g6"),
("A00", "Polish Opening, King's Indian Variation, Sokolsky Attack", "b4 Nf6 Bb2 g6 c4 Bg7 e3 d6 Nf3 O-O d4"),
("A00", "Polish Opening, Outflank Variation", "b4 c6"),
("A00", "Polish Opening, Schiffler-Sokolsky Variation", "b4 Nf6 Bb2 d5 e3 e6 b5"),
("A00", "Polish Opening, Tartakower Gambit", "b4 e5 Bb2 f6 e4"),
("A04", "Polish Opening, Zukertort System", "b4 Nf6 Nf3"),
("C44", "Ponziani Opening, Caro Gambit", "e4 e5 Nf3 Nc6 c3 d5 Qa4 Bd7"),
("C44", "Ponziani Opening, General", "e4 e5 Nf3 Nc6 c3"),
("C44", "Ponziani Opening, Jaenisch Counterattack", "e4 e5 Nf3 Nc6 c3 Nf6"),
("C44", "Ponziani Opening, Steinitz Variation", "e4 e5 Nf3 Nc6 c3 d5 Qa4 f6"),
("B06", "Pterodactyl Defense, Eastern, Anhanguera", "e4 g6 d4 Bg7 Nc3 c5 Be3"),
("B06", "Pterodactyl Defense, Eastern, Benoni", "e4 g6 d4 Bg7 Nc3 c5 d5"),
("B06", "Pterodactyl Defense, Eastern, Pterodactyl", "e4 g6 d4 Bg7 Nc3 c5 dxc5 Qa5"),
("A40", "Pterodactyl Defense, Miscellany, Queen Pterodactyl, Quiet", "d4 g6 c4 Bg7 Nc3 c5 e3"),
("B06", "Pterodactyl Defense, Sicilian, Anhanguera", "e4 g6 d4 Bg7 Nc3 c5 Nf3 Qa5 Be3"),
("B06", "Pterodactyl Defense, Sicilian, Rhamporhynchus", "e4 g6 d4 Bg7 Nc3 c5 Nf3 Qa5 dxc5"),
("B06", "Pterodactyl Defense, Western, Rhamporhynchus", "e4 g6 d4 Bg7 Nf3 c5 dxc5 Qa5+"),
("A41", "Queen Pawn Game, Anglo-Slav Opening", "d4 c6 c4 d6"),
("D02", "Queen Pawn Game, Anti-Torre", "d4 d5 Nf3 Bg4"),
("D02", "Queen Pawn Game, Barry Attack, Grünfeld Variation", "d4 Nf6 Nf3 g6 Nc3 d5 Bf4 Bg7 e3 O-O Be2"),
("D02", "Queen Pawn Game, Chigorin Variation", "d4 d5 Nf3 Nc6"),
("D04", "Queen Pawn Game, Colle System", "d4 d5 Nf3 Nf6 e3"),
("D04", "Queen Pawn Game, Colle System, Anti-Colle", "d4 d5 Nf3 Nf6 e3 Bf5"),
("A48", "Queen Pawn Game, Colle System, Grünfeld Formation", "d4 Nf6 Nf3 g6 e3 Bg7 Bd3 d5"),
("C00", "Queen Pawn Game, Franco-Sicilian Defense", "d4 e6 e4 c5"),
("D00", "Queen Pawn Game, General", "d4 d5"),
("D00", "Queen Pawn Game, Hübsch Gambit", "d4 Nf6 Nc3 d5 e4 Nxe4"),
("D00", "Queen Pawn Game, Levitsky Attack", "d4 d5 Bg5"),
("D00", "Queen Pawn Game, Levitsky Attack, Euwe Variation, Modern Line", "d4 d5 Bg5 h6 Bh4 c6 Nf3 Qb6"),
("D02", "Queen Pawn Game, London System", "d4 d5 Nf3 Nf6 Bf4"),
("D00", "Queen Pawn Game, Mason Attack", "d4 d5 f4"),
("A40", "Queen Pawn Game, Queen Fianchetto", "d4 b6"),
("D00", "Queen Pawn Game, Sarratt Attack", "d4 d5 Bf4"),
("D00", "Queen Pawn Game, Steinitz Countergambit", "d4 d5 Bf4 c5"),
("D00", "Queen Pawn Game, Stonewall Attack", "d4 d5 e3 Nf6 Bd3"),
("D02", "Queen Pawn Game, Symmetrical Variation", "d4 d5 Nf3 Nf6"),
("D02", "Queen Pawn Game, Symmetrical Variation, Pseudo-Catalan", "d4 d5 Nf3 Nf6 g3"),
("D03", "Queen Pawn Game, Torre Attack", "d4 d5 Nf3 Nf6 Bg5"),
("D03", "Queen Pawn Game, Torre Attack, Gossip Variation", "d4 d5 Nf3 Nf6 Bg5 Ne4"),
("D03", "Queen Pawn Game, Torre Attack, Grünfeld Variation", "d4 d5 Nf3 Nf6 Bg5 g6"),
("D03", "Queen Pawn Game, Torre Attack, Grünfeld Variation, Main Line", "d4 d5 Nf3 Nf6 Bg5 g6 e3 Bg7 Nbd2 O-O"),
("D00", "Queen Pawn Game, Veresov Atack, Alburt Defense", "d4 d5 Nc3 Bf5"),
("D01", "Queen Pawn Game, Veresov Atack, Boyce Defense", "d4 d5 Nc3 Nf6 Bg5 Ne4"),
("D01", "Queen Pawn Game, Veresov Atack, Classical Defense", "d4 d5 Nc3 Nf6 Bg5 e6 Nf3"),
("A80", "Queen Pawn Game, Veresov Atack, Dutch System", "d4 d5 Nc3 f5"),
("D01", "Queen Pawn Game, Veresov Atack, Richter Variation", "d4 d5 Nc3 Nf6 Bg5 Bf5 f3"),
("D01", "Queen Pawn Game, Veresov Atack, Veresov Variation", "d4 d5 Nc3 Nf6 Bg5 Bf5 Bxf6"),
("D00", "Queen Pawn Game, Veresov Attack", "d4 d5 Nc3"),
("D01", "Queen Pawn Game, Veresov Attack, Two Knights System", "d4 d5 Nc3 Nf6 Bg5 Nbd7 Nf3"),
("D01", "Queen Pawn Game, Veresov Attack, Two Knights System, Grünfeld Defense", "d4 d5 Nc3 Nf6 Bg5 Nbd7 Nf3 g6"),
("D02", "Queen Pawn Game, Zukertort Variation", "d4 d5 Nf3"),
("A40", "Queen Pawn Opening, General", "d4"),
("D20", "Queen's Gambit Accepted, Accelerated Mannheim Variation", "d4 d5 c4 dxc4 Qa4+"),
("D22", "Queen's Gambit Accepted, Alekhine Defense", "d4 d5 c4 dxc4 Nf3 a6"),
("D21", "Queen's Gambit Accepted, Alekhine Defense, Borisenko-Furman Variation", "d4 d5 c4 dxc4 Nf3 a6 e4"),
("D22", "Queen's Gambit Accepted, Alekhine Defense, Haberditz Variation", "d4 d5 c4 dxc4 Nf3 a6 e3 b5"),
("D24", "Queen's Gambit Accepted, Bogoljubow Defense", "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4"),
("D20", "Queen's Gambit Accepted, Central Variation, Alekhine System", "d4 d5 c4 dxc4 e4 Nf6"),
("D20", "Queen's Gambit Accepted, Central Variation, McDonnell Defense", "d4 d5 c4 dxc4 e4 e5"),
("D20", "Queen's Gambit Accepted, Central Variation, Modern Defense", "d4 d5 c4 dxc4 e4 Nc6"),
("D20", "Queen's Gambit Accepted, Central Variation, Rubinstein Defense", "d4 d5 c4 dxc4 e4 c5"),
("D26", "Queen's Gambit Accepted, Classical Defense", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5"),
("D28", "Queen's Gambit Accepted, Classical Defense, Alekhine System", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2"),
("D28", "Queen's Gambit Accepted, Classical Defense, Alekhine System, Except Main Line", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5"),
("D29", "Queen's Gambit Accepted, Classical Defense, Alekhine System, Main Line", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7"),
("D27", "Queen's Gambit Accepted, Classical Defense, Main Lines", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6"),
("D27", "Queen's Gambit Accepted, Classical Defense, Rubinstein Variation", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4"),
("D27", "Queen's Gambit Accepted, Classical Defense, Russian Gambit", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 e4"),
("D26", "Queen's Gambit Accepted, Classical Defense, Steinitz Variation, Development Variation", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O Nc6"),
("D26", "Queen's Gambit Accepted, Classical Defense, Steinitz Variation, Exchange Variation", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O cxd4"),
("D25", "Queen's Gambit Accepted, Deferred", "d4 d5 Nf3 Nf6 c4 dxc4"),
("D27", "Queen's Gambit Accepted, Furman Variation", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 dxc5 Bxc5"),
("D20", "Queen's Gambit Accepted, General", "d4 d5 c4 dxc4"),
("D21", "Queen's Gambit Accepted, Gunsberg Defense", "d4 d5 c4 dxc4 Nf3 c5"),
("D24", "Queen's Gambit Accepted, Gunsberg Defense, Prianishenmo Gambit", "d4 d5 c4 dxc4 Nc3 c5 d5 Nf6 Nf3 e6 e4 exd5 e5"),
("D25", "Queen's Gambit Accepted, Janowski-Larsen Variation", "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4"),
("D20", "Queen's Gambit Accepted, Linares Variation", "d4 d5 c4 dxc4 e4 c5 d5 Nf6 Nc3 b5"),
("D23", "Queen's Gambit Accepted, Mannheim Variation", "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+"),
("D21", "Queen's Gambit Accepted, Normal Variation", "d4 d5 c4 dxc4 Nf3"),
("D25", "Queen's Gambit Accepted, Normal Variation", "d4 d5 c4 dxc4 Nf3 Nf6 e3"),
("D26", "Queen's Gambit Accepted, Normal Variation, Traditional System", "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6"),
("D20", "Queen's Gambit Accepted, Old Variation", "d4 d5 c4 dxc4 e3"),
("D21", "Queen's Gambit Accepted, Rosenthal Variation", "d4 d5 c4 dxc4 Nf3 e6"),
("D24", "Queen's Gambit Accepted, Showalter Variation", "d4 d5 c4 dxc4 Nf3 Nf6 Nc3"),
("D25", "Queen's Gambit Accepted, Smyslov Variation", "d4 d5 c4 dxc4 Nf3 Nf6 e3 g6"),
("D25", "Queen's Gambit Accepted, Winawer Defense", "d4 d5 c4 dxc4 Nf3 Nf6 e3 Be6"),
("D55", "Queen's Gambit Declined, Anti-Tartakower Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bxf6"),
("D55", "Queen's Gambit Declined, Anti-Tartakower Variation, Petrosian Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bxf6 Bxf6 Rc1 c6 Bd3 Nd7 O-O dxc4 Bxc4"),
("D37", "Queen's Gambit Declined, Barmen Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Nbd7"),
("D52", "Queen's Gambit Declined, Cambridge Springs Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 Nf3 c6 e3 Qa5"),
("D30", "Queen's Gambit Declined, Capablanca - General", "d4 d5 c4 e6 Nf3 Nf6 Bg5 h6"),
("D30", "Queen's Gambit Declined, Capablanca Variation", "d4 d5 c4 e6 Nf3 Nf6 Bg5 Nbd7 e3 c6 Nbd2"),
("D31", "Queen's Gambit Declined, Charousek (Petrosian) Variation", "d4 d5 c4 e6 Nc3 Be7"),
("D35", "Queen's Gambit Declined, Exchange Variation", "d4 d5 c4 e6 Nc3 Nf6 cxd5"),
("D35", "Queen's Gambit Declined, Exchange Variation, Positional Variation", "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5"),
("D35", "Queen's Gambit Declined, Exchange Variation, Positional Variation", "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6"),
("D36", "Queen's Gambit Declined, Exchange Variation, Reshevsky Variation", "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2"),
("D35", "Queen's Gambit Declined, Exchange Variation, Saemisch Variation", "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Nbd7 Bf4"),
("D30", "Queen's Gambit Declined, General", "d4 d5 c4 e6"),
("D37", "Queen's Gambit Declined, Harrwitz Attack", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4"),
("D35", "Queen's Gambit Declined, Harrwitz Attack", "d4 d5 c4 e6 Nc3 Nf6 Bf4"),
("D37", "Queen's Gambit Declined, Harrwitz Attack, Fianchetto Defense", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 b6"),
("D37", "Queen's Gambit Declined, Harrwitz Attack, Main Line", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5"),
("D37", "Queen's Gambit Declined, Harrwitz Attack, Main Line, New Main Line", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3 Qa5 O-O-O"),
("D37", "Queen's Gambit Declined, Harrwitz Attack, Main Line, Old Main Line", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3 Qa5 Rd1"),
("D37", "Queen's Gambit Declined, Harrwitz Attack, Orthodox Defense", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c6"),
("D37", "Queen's Gambit Declined, Harrwitz Attack, Two Knights Defense", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 Nbd7"),
("D37", "Queen's Gambit Declined, Harrwitz Attack, Two Knights Defense, Blockade Line", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 Nbd7 c5"),
("D30", "Queen's Gambit Declined, Hastings Variation", "d4 d5 c4 e6 Nf3 Nf6 Bg5 h6 Bxf6 Qxf6 Nc3 c6 Qb3"),
("D31", "Queen's Gambit Declined, Janowski Variation", "d4 d5 c4 e6 Nc3 a6"),
("D56", "Queen's Gambit Declined, Lasker Defense", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4"),
("D57", "Queen's Gambit Declined, Lasker Defense, Main Line", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5 Nxc3 bxc3"),
("D56", "Queen's Gambit Declined, Lasker Defense, Teichmann Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 Qc2"),
("D51", "Queen's Gambit Declined, Manhattan Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 Bb4"),
("D53", "Queen's Gambit Declined, Miles Variation, Dzhindzhi Attack", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 O-O Qc2"),
("D50", "Queen's Gambit Declined, Modern Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5"),
("D55", "Queen's Gambit Declined, Modern Variation, Normal Line", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3"),
("D51", "Queen's Gambit Declined, Modern, Knight Defense", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3"),
("D51", "Queen's Gambit Declined, Modern, Knight Defense", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7"),
("D51", "Queen's Gambit Declined, Modern, Knight Defense", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6"),
("D54", "Queen's Gambit Declined, Neo-Orthodox Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Rc1"),
("D55", "Queen's Gambit Declined, Neo-Orthodox Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6"),
("D55", "Queen's Gambit Declined, Neo-Orthodox Variation, Main Line", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4"),
("D35", "Queen's Gambit Declined, Normal Defense", "d4 d5 c4 e6 Nc3 Nf6"),
("D67", "Queen's Gambit Declined, Orthodox Defense, Alekhine Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 Ne4"),
("D60", "Queen's Gambit Declined, Orthodox Defense, Botvinnik Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3"),
("D68", "Queen's Gambit Declined, Orthodox Defense, Classical Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5"),
("D69", "Queen's Gambit Declined, Orthodox Defense, Classical Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 dxe5 Nxe5 Nxe5"),
("D68", "Queen's Gambit Declined, Orthodox Defense, Classical Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 Qc2"),
("D66", "Queen's Gambit Declined, Orthodox Defense, Fianchetto Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 b5"),
("D60", "Queen's Gambit Declined, Orthodox Defense, General", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7"),
("D63", "Queen's Gambit Declined, Orthodox Defense, Hennegerger Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6"),
("D63", "Queen's Gambit Declined, Orthodox Defense, Main Line", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6"),
("D67", "Queen's Gambit Declined, Orthodox Defense, Main Line", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O"),
("D63", "Queen's Gambit Declined, Orthodox Defense, Main Line", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1"),
("D63", "Queen's Gambit Declined, Orthodox Defense, Pillsbury Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 b6 cxd5 exd5 Bd3"),
("D61", "Queen's Gambit Declined, Orthodox Defense, Rubinstein Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2"),
("D62", "Queen's Gambit Declined, Orthodox Defense, Rubinstein Variation, Flohr Line", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5"),
("D50", "Queen's Gambit Declined, Pseudo-Tarrasch Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 cxd5"),
("D31", "Queen's Gambit Declined, Queen's Knight Variation", "d4 d5 c4 e6 Nc3"),
("D38", "Queen's Gambit Declined, Ragozin Defense", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4"),
("D38", "Queen's Gambit Declined, Ragozin Defense, Alekhine Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Qa4+"),
("D39", "Queen's Gambit Declined, Ragozin Defense, Vienna Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4"),
("D40", "Queen's Gambit Declined, Semi-Tarrasch Defense", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5"),
("D41", "Queen's Gambit Declined, Semi-Tarrasch Defense, Exchange Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4"),
("D42", "Queen's Gambit Declined, Semi-Tarrasch Defense, Main Line", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3"),
("D41", "Queen's Gambit Declined, Semi-Tarrasch Defense, Pillsbury Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3"),
("D40", "Queen's Gambit Declined, Semi-Tarrasch Defense, Pillsbury Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 Bg5"),
("D30", "Queen's Gambit Declined, Tarrasch Defense, Pseudo-Tarrasch", "d4 d5 c4 e6 Nf3 c5"),
("D30", "Queen's Gambit Declined, Tarrasch Defense, Pseudo-Tarrasch, Bishop Attack", "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 Bg5"),
("D58", "Queen's Gambit Declined, Tartakower Defense, General", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6"),
("D59", "Queen's Gambit Declined, Tartakower Defense, Makogonov Exchange Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5"),
("D57", "Queen's Gambit Declined, Tartakower Variation, Exchange Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 exd5"),
("D37", "Queen's Gambit Declined, Three Knights Variation, General", "d4 d5 c4 e6 Nc3 Nf6 Nf3"),
("D30", "Queen's Gambit Declined, Traditional Variation", "d4 d5 c4 e6 Nf3 Nf6 Bg5"),
("D30", "Queen's Gambit Declined, Vienna Variation", "d4 d5 c4 e6 Nf3 Nf6 Bg5 Bb4+"),
("D44", "Queen's Gambit Declined, Vienna Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 dxc4"),
("D44", "Queen's Gambit Declined, Vienna Variation, Quiet Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 dxc4 e3"),
("D51", "Queen's Gambit Declined, Westphalian Variation", "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 Bb4 Nf3 c5"),
("D08", "Queen's Gambit Refused, Albin Countergambit", "d4 d5 c4 e5"),
("D09", "Queen's Gambit Refused, Albin Countergambit, Fianchetto Variation", "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3"),
("D09", "Queen's Gambit Refused, Albin Countergambit, Fianchetto Variation, Be6 Line", "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6"),
("D09", "Queen's Gambit Refused, Albin Countergambit, Fianchetto Variation, Bg4 Line", "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Bg4"),
("D08", "Queen's Gambit Refused, Albin Countergambit, Modern Line", "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 Nbd2"),
("D08", "Queen's Gambit Refused, Albin Countergambit, Normal Line", "d4 d5 c4 e5 dxe5 d4 Nf3"),
("D06", "Queen's Gambit Refused, Austrian Defense", "d4 d5 c4 c5"),
("D02", "Queen's Gambit Refused, Baltic Defense", "d4 d5 c4 Bf5"),
("D31", "Queen's Gambit Refused, Baltic Defense, Argentinian Gambit", "d4 d5 c4 Bf5 cxd5 Bxb1 Qa4+ c6 dxc6 Nxc6"),
("D02", "Queen's Gambit Refused, Baltic Defense, Pseudo-Chigorin", "d4 d5 c4 Bf5 Nc3 e6 Nf3 Nc6"),
("D02", "Queen's Gambit Refused, Baltic Defense, Pseudo-Slav", "d4 d5 c4 Bf5 Nc3 e6 Nf3 c6"),
("D07", "Queen's Gambit Refused, Chigorin Defense", "d4 d5 c4 Nc6"),
("D07", "Queen's Gambit Refused, Chigorin Defense, Exchange Variation", "d4 d5 c4 Nc6 cxd5 Qxd5"),
("D07", "Queen's Gambit Refused, Chigorin Defense, Exchange Variation, Costa's Line", "d4 d5 c4 Nc6 cxd5 Qxd5 e3 e5 Nc3 Bb4 Bd2 Bxc3 Bxc3 exd4 Ne2"),
("D07", "Queen's Gambit Refused, Chigorin Defense, Janowski Variation", "d4 d5 c4 Nc6 Nc3 dxc4 Nf3"),
("D06", "Queen's Gambit Refused, Chigorin Defense, Lazard Gambit", "d4 d5 c4 Nc6 Nf3 e5"),
("D07", "Queen's Gambit Refused, Chigorin Defense, Main Line", "d4 d5 c4 Nc6 Nf3 Bg4"),
("D06", "Queen's Gambit Refused, Chigorin Defense, Modern Gambit", "d4 d5 c4 Nc6 Nc3 Nf6 Nf3 dxc4"),
("D06", "Queen's Gambit Refused, Chigorin Defense, Tartakower Gambit", "d4 d5 c4 Nc6 Nc3 e5"),
("D06", "Queen's Gambit Refused, Marshall Defense", "d4 d5 c4 Nf6"),
("E17", "Queen's Indian Defense, Anti-Queen's Indian System", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3"),
("E16", "Queen's Indian Defense, Capablanca Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+"),
("E17", "Queen's Indian Defense, Classical Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O"),
("E17", "Queen's Indian Defense, Classical Variation, Polugayevsky Gambit", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nh4"),
("E17", "Queen's Indian Defense, Classical Variation, Tiviakov Defense", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Na6"),
("E17", "Queen's Indian Defense, Classical Variation, Traditional Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3"),
("E19", "Queen's Indian Defense, Classical Variation, Traditional Variation, Main Line", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3"),
("E18", "Queen's Indian Defense, Classical Variation, Traditional Variation, Nimowitsch Line", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5"),
("E17", "Queen's Indian Defense, Euwe Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O b3"),
("E15", "Queen's Indian Defense, Fianchetto Traditional", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7"),
("E15", "Queen's Indian Defense, Fianchetto Variation, Check Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+"),
("E15", "Queen's Indian Defense, Fianchetto Variation, Check Variation, Intermezzo Line", "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7"),
("E15", "Queen's Indian Defense, Fianchetto Variation, General", "d4 Nf6 c4 e6 Nf3 b6 g3"),
("E17", "Queen's Indian Defense, Fianchetto Variation, Kramnik Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Re1"),
("E15", "Queen's Indian Defense, Fianchetto Variation, Nimzowitsch Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6"),
("E15", "Queen's Indian Defense, Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack", "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4"),
("E15", "Queen's Indian Defense, Fianchetto Variation, Nimzowitsch Variation, Quiet Line", "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3"),
("E15", "Queen's Indian Defense, Fianchetto Variation, Nimzowitsch Variation, Timman's Line", "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qb3"),
("E16", "Queen's Indian Defense, Fianchetto Variation, Rubinstein Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5 d5 exd5 Nh4"),
("E15", "Queen's Indian Defense, Fianchetto Variation, Saemisch Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5"),
("E12", "Queen's Indian Defense, General", "d4 Nf6 c4 e6 Nf3 b6"),
("E12", "Queen's Indian Defense, Kasparov Variation", "d4 Nf6 c4 e6 Nf3 b6 Nc3"),
("E12", "Queen's Indian Defense, Kasparov Variation, Botvinnik Attack", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 g5 Bg3 Nh5"),
("E13", "Queen's Indian Defense, Kasparov Variation, General", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4"),
("E17", "Queen's Indian Defense, Kasparov-Petrosian Variation", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3"),
("E12", "Queen's Indian Defense, Kasparov-Petrosian Variation, Andersson Variation", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 Ne4"),
("E12", "Queen's Indian Defense, Kasparov-Petrosian Variation, Classical Variation", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 d5 cxd5 exd5"),
("E17", "Queen's Indian Defense, Kasparov-Petrosian Variation, Hedgehog Variation", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 g6"),
("E12", "Queen's Indian Defense, Kasparov-Petrosian Variation, Kasparov Attack", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Qc2"),
("E12", "Queen's Indian Defense, Kasparov-Petrosian Variation, Main Line", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 d5"),
("E12", "Queen's Indian Defense, Kasparov-Petrosian Variation, Marco Defense", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 Be7"),
("E12", "Queen's Indian Defense, Kasparov-Petrosian Variation, Petrosian Attack", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e3"),
("E12", "Queen's Indian Defense, Kasparov-Petrosian Variation, Romanishin Attack", "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 Bd2"),
("E12", "Queen's Indian Defense, Miles Variation", "d4 Nf6 c4 e6 Nf3 b6 Bf4"),
("E17", "Queen's Indian Defense, Opocensky Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2"),
("E12", "Queen's Indian Defense, Petrosian Variation", "d4 Nf6 c4 e6 Nf3 b6 a3"),
("E11", "Queen's Indian Defense, Petrosian Variation, Farago Defense", "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 Qc2 Bb7"),
("E16", "Queen's Indian Defense, Riumin Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Be7"),
("E14", "Queen's Indian Defense, Spassky System", "d4 Nf6 c4 e6 Nf3 b6 e3"),
("E16", "Queen's Indian Defense, Yates Variation", "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 a5"),
("B07", "Rat Defense, Accelerated Gurgenidze", "e4 g6 d4 d6 Nc3 c6"),
("B07", "Rat Defense, Antal Defense", "e4 d6 d4 Nd7"),
("A41", "Rat Defense, English Rat", "d4 d6 c4 e5"),
("B07", "Rat Defense, Harmonist", "e4 d6 f4"),
("A41", "Rat Defense, See also, Modern Defense (for lines with ...g6)", "d4 d6"),
("C00", "Rat Defense, Small Center Defense", "e4 d6 d4 e6"),
("A09", "Reti Opening, Advance Variation", "Nf3 d5 c4 d4"),
("A12", "Reti Opening, Anglo-Slav Variation, Bled Variation", "Nf3 d5 c4 c6 b3 Nf6 Bb2 g6"),
("A12", "Reti Opening, Anglo-Slav Variation, Bogoljubow Variation II", "Nf3 d5 c4 c6 b3 Bg4"),
("A12", "Reti Opening, Anglo-Slav Variation, Bogoljubow Variation III", "Nf3 d5 c4 c6 b3"),
("A12", "Reti Opening, Anglo-Slav Variation, Bogoljubow Variation", "Nf3 d5 c4 c6 b3 Nf6 Bb2"),
("A12", "Reti Opening, Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line", "Nf3 d5 c4 c6 b3 Nf6 Bb2 e6 g3 Be7 Bg2 O-O O-O"),
("A12", "Reti Opening, Anglo-Slav Variation, Capablanca Variation", "Nf3 d5 c4 c6 b3 Nf6 Bb2 Bg4"),
("A12", "Reti Opening, Anglo-Slav Variation, London Defensive System", "Nf3 d5 c4 c6 b3 Nf6 g3 Bf5"),
("A12", "Reti Opening, Anglo-Slav Variation, New York System", "Nf3 d5 c4 c6 b3 Nf6 Bb2 Bf5"),
("A12", "Reti Opening, Anglo-Slav Variation, Torre System", "Nf3 d5 c4 c6 b3 Nf6 g3 Bg4"),
("A09", "Reti Opening, General", "Nf3 d5 c4"),
("A09", "Reti Opening, Reti Gambit", "Nf3 d5 c4 dxc4"),
("A09", "Reti Opening, Reversed Blumenfeld Gambit", "Nf3 d5 c4 d4 e3 c5 b4"),
("D05", "Rubinstein Opening", "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 b3"),
("D05", "Rubinstein Opening, Bogoljubow Defense", "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 b3 Nc6 Bb2 Bd6 O-O O-O"),
("D05", "Rubinstein Opening, Classical Defense", "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 b3 Nc6 Bb2 Be7 O-O O-O"),
("C42", "Russian Game, Classical Attack", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4"),
("C42", "Russian Game, Classical Attack, Berger Variation", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4 c3 f5 Nbd2"),
("C42", "Russian Game, Classical Attack, Chigorin Variation", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1"),
("C42", "Russian Game, Classical Attack, Chigorin Variation, Browne Attack", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 c4 Nb4 cxd5"),
("C42", "Russian Game, Classical Attack, Chigorin Variation, Main Line", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 c4 Nb4 Be2"),
("C42", "Russian Game, Classical Attack, Jaenisch Variation", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 c4"),
("C42", "Russian Game, Classical Attack, Marshall Variation", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6"),
("C42", "Russian Game, Classical Attack, Mason Variation", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O O-O"),
("C42", "Russian Game, Classical Attack, Mason-Showalter Variation", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Nc6"),
("C42", "Russian Game, Classical Attack, Staunton Variation", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6 O-O O-O c4 c6"),
("C42", "Russian Game, Cochrane Gambit, Center Variation", "e4 e5 Nf3 Nf6 Nxe5 d6 Nxf7 Kxf7 d4"),
("C42", "Russian Game, Cozio (Lasker) Attack", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2"),
("C42", "Russian Game, Damiano Variation, Kholmov Gambit", "e4 e5 Nf3 Nf6 Nxe5 Nxe4 Qe2 Qe7"),
("C42", "Russian Game, French Attack", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d3"),
("C42", "Russian Game, General", "e4 e5 Nf3 Nf6"),
("C42", "Russian Game, Kaufmann Attack", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 c4"),
("C42", "Russian Game, Millenium Attack", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Bd3"),
("C43", "Russian Game, Modern Attack", "e4 e5 Nf3 Nf6 d4"),
("C43", "Russian Game, Modern Attack, Center Attack", "e4 e5 Nf3 Nf6 d4 exd4 e5 Ne4 Qxd4"),
("C43", "Russian Game, Modern Attack, Center Variation", "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3"),
("C43", "Russian Game, Modern Attack, Murrey Variation", "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 Nc6"),
("C43", "Russian Game, Modern Attack, Trifunovic Variation", "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Bd6 O-O O-O c4 Bxe5"),
("C42", "Russian Game, Nimzowitsch Attack", "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Nc3"),
("C42", "Russian Game, Paulsen Attack", "e4 e5 Nf3 Nf6 Nxe5 d6 Nc4"),
("C42", "Russian Game, Three Knights Game", "e4 e5 Nf3 Nf6 Nc3"),
("C42", "Russian Game, Urusov Gambit", "e4 e5 Nf3 Nf6 Bc4"),
("A00", "Saragossa Opening, General", "c3"),
("B01", "Scandinavian Defense, Anderssen Counterattack", "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 e5"),
("B01", "Scandinavian Defense, Bronstein Variation", "e4 d5 exd5 Qxd5 Nc3 Qd6 d4 Nf6 Nf3 a6"),
("B01", "Scandinavian Defense, Classical Variation", "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5"),
("B01", "Scandinavian Defense, General", "e4 d5"),
("B01", "Scandinavian Defense, Grünfeld Variation", "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 Ne5 c6 g4"),
("B01", "Scandinavian Defense, Gubinsky-Melts Defense", "e4 d5 exd5 Qxd5 Nc3 Qd6"),
("B01", "Scandinavian Defense, Icelandic-Palme Gambit", "e4 d5 exd5 Nf6 c4 e6"),
("B01", "Scandinavian Defense, Kiel Variation", "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb4"),
("B01", "Scandinavian Defense, Lasker Variation", "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bg4 h3"),
("B01", "Scandinavian Defense, Main Lines", "e4 d5 exd5 Qxd5 Nc3 Qa5"),
("B01", "Scandinavian Defense, Main Lines, Mieses Variation", "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6"),
("B01", "Scandinavian Defense, Marshall Variation", "e4 d5 exd5 Nf6 d4 Nxd5"),
("B01", "Scandinavian Defense, Mieses-Kotroc Variation", "e4 d5 exd5 Qxd5"),
("B01", "Scandinavian Defense, Modern Variation", "e4 d5 exd5 Nf6 d4"),
("B01", "Scandinavian Defense, Modern Variation", "e4 d5 exd5 Nf6"),
("B01", "Scandinavian Defense, Modern Variation, Gipslis Variation", "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 Bg4"),
("B01", "Scandinavian Defense, Panov Transfer", "e4 d5 exd5 Nf6 c4 c6"),
("B01", "Scandinavian Defense, Portuguese Variation", "e4 d5 exd5 Nf6 d4 Bg4"),
("B01", "Scandinavian Defense, Portuguese Variation, Portuguese Gambit", "e4 d5 exd5 Nf6 d4 Bg4 f3 Bf5 Bb5+ Nbd7"),
("B01", "Scandinavian Defense, Richter Variation", "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 g6"),
("B01", "Scandinavian Defense, Schiller-Pytel Variation", "e4 d5 exd5 Qxd5 Nc3 Qd6 d4 c6"),
("C45", "Scotch Game, Classical Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5"),
("C45", "Scotch Game, Classical Variation, Blackburne Attack", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Qd2"),
("C45", "Scotch Game, Classical Variation, Intermezzo Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6 Qf6"),
("C45", "Scotch Game, Classical Variation, Millennium Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Qg6"),
("C44", "Scotch Game, General", "e4 e5 Nf3 Nc6 d4"),
("C45", "Scotch Game, General", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4"),
("C44", "Scotch Game, Göring Gambit", "e4 e5 Nf3 Nc6 d4 exd4 c3"),
("C44", "Scotch Game, Göring Gambit, Double Pawn Sacrifice", "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Bc4"),
("C44", "Scotch Game, Göring Gambit, Main Line", "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Nxc3 Bb4"),
("C45", "Scotch Game, Haxo Gambit", "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5"),
("C45", "Scotch Game, Horwitz Attack", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5"),
("C45", "Scotch Game, Malaniuk Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bb4+"),
("C45", "Scotch Game, Meitner Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Nc2"),
("C45", "Scotch Game, Mieses Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 e5"),
("C45", "Scotch Game, Modern Defense", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nc3 Bb4"),
("C45", "Scotch Game, Potter Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3"),
("C45", "Scotch Game, Romanishin Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3 Bb4+"),
("C45", "Scotch Game, Schmidt Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6"),
("C44", "Scotch Game, Scotch Gambit", "e4 e5 Nf3 Nc6 d4 exd4 Bc4"),
("C45", "Scotch Game, Scotch Gambit, Advance Variation", "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Nf6 e5"),
("C44", "Scotch Game, Scotch Gambit, Göring Gambit, Declined", "e4 e5 Nf3 Nc6 d4 exd4 c3 d5"),
("C45", "Scotch Game, Scotch Gambit, Kingside Variation", "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Nf6 e5 Ng4"),
("C44", "Scotch Game, Scotch Gambit, London Defense", "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bb4+"),
("C44", "Scotch Game, Scotch Gambit, Saratt Variation", "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5 Ng5"),
("C45", "Scotch Game, Steinitz Variation", "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4"),
("D45", "Semi-Slav Defense, Accelerated Meran Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 a6"),
("D44", "Semi-Slav Defense, Accepted", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4"),
("D31", "Semi-Slav Defense, Acclerated Move Order", "d4 d5 c4 e6 Nc3 c6"),
("D44", "Semi-Slav Defense, Anti-Moscow Gambit", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4"),
("D46", "Semi-Slav Defense, Bogoljubow Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Be7"),
("D44", "Semi-Slav Defense, Botvinnik System", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5"),
("D44", "Semi-Slav Defense, Botvinnik System, Alatortsev System", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 Nd5"),
("D44", "Semi-Slav Defense, Botvinnik System, Ekstrom Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 exf6 gxh4 Ne5"),
("D44", "Semi-Slav Defense, Botvinnik System, Lilienthal Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 g3"),
("D44", "Semi-Slav Defense, Botvinnik Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4"),
("D46", "Semi-Slav Defense, Chigorin Defense", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6"),
("D43", "Semi-Slav Defense, General", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6"),
("D46", "Semi-Slav Defense, Main Lines", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3"),
("D45", "Semi-Slav Defense, Main Lines", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3"),
("D31", "Semi-Slav Defense, Marshall Gambit", "d4 d5 c4 e6 Nc3 c6 e4"),
("D31", "Semi-Slav Defense, Marshall Gambit, Forgotten Variation", "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Bb4+ Nc3"),
("D31", "Semi-Slav Defense, Marshall Gambit, Main Line", "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Bb4+ Bd2"),
("D47", "Semi-Slav Defense, Meran Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5"),
("D48", "Semi-Slav Defense, Meran Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6"),
("D49", "Semi-Slav Defense, Meran Variation, Blumenfeld Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5"),
("D47", "Semi-Slav Defense, Meran Variation, Lundin Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 b4"),
("D48", "Semi-Slav Defense, Meran Variation, Old Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5"),
("D49", "Semi-Slav Defense, Meran Variation, Rabinovich Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Ng4"),
("D48", "Semi-Slav Defense, Meran Variation, Reynolds' Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5"),
("D49", "Semi-Slav Defense, Meran Variation, Sozin Variation II", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Nxe5"),
("D47", "Semi-Slav Defense, Meran Variation, Wade Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7"),
("D47", "Semi-Slav Defense, Meran Variation, Wade Variation, Kaidanov Gambit", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 e4 b4 Na4 c5 e5 Nd5 O-O cxd4 Nxd4"),
("D47", "Semi-Slav Defense, Meran Variation, Wade Variation, Larsen Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 e4 b4 Na4 c5 e5 Nd5"),
("D45", "Semi-Slav Defense, Normal Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7"),
("D31", "Semi-Slav Defense, Noteboom Variation", "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4"),
("D31", "Semi-Slav Defense, Noteboom Variation, Abrahams Variation", "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4 a4 Bb4 e3 b5 Bd2 a5 axb5 Bxc3 Bxc3 cxb5 b3 Bb7"),
("D31", "Semi-Slav Defense, Noteboom Variation, Anti-Noteboom Gambit", "d4 d5 Nf3 c6 c4 e6 Nc3 dxc4 g3"),
("D30", "Semi-Slav Defense, Quiet Variation", "d4 d5 c4 e6 Nf3 Nf6 e3 c6 Nbd2"),
("D30", "Semi-Slav Defense, Quiet Variation", "d4 d5 c4 e6 Nf3 Nf6 e3 c6 Nbd2 Nbd7"),
("D46", "Semi-Slav Defense, Romih Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bb4"),
("D47", "Semi-Slav Defense, Semi-Meran Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4"),
("D45", "Semi-Slav Defense, Stoltz Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2"),
("D45", "Semi-Slav Defense, Stoltz Variation, Center Variation", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 e4"),
("D45", "Semi-Slav Defense, Stoltz Variation, Shabalov Attack", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 g4"),
("B34", "Sicilian Defense, Accelerated Dragon, Exchange Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nxc6"),
("B36", "Sicilian Defense, Accelerated Dragon, General", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6"),
("B38", "Sicilian Defense, Accelerated Dragon, Maroczy Bind", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3"),
("B39", "Sicilian Defense, Accelerated Dragon, Maroczy Bind, Breyer Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4"),
("B36", "Sicilian Defense, Accelerated Dragon, Maroczy Bind, General", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4"),
("B36", "Sicilian Defense, Accelerated Dragon, Maroczy Bind, Gurgenidze Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6"),
("B35", "Sicilian Defense, Accelerated Dragon, Modern Bc4 Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4"),
("B34", "Sicilian Defense, Accelerated Dragon, Modern Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3"),
("B22", "Sicilian Defense, Alapin Variation, Barmen Defense", "e4 c5 c3 d5 exd5 Qxd5"),
("B22", "Sicilian Defense, Alapin Variation, Barmen Defense, Central Exchange", "e4 c5 c3 d5 exd5 Qxd5 d4 cxd4 cxd4 Nc6 Nf3 Bg4"),
("B22", "Sicilian Defense, Alapin Variation, Barmen Defense, Modern Line", "e4 c5 c3 d5 exd5 Qxd5 d4 Nf6 Nf3 Bg4"),
("B22", "Sicilian Defense, Alapin Variation, General", "e4 c5 c3"),
("B22", "Sicilian Defense, Alapin Variation, Sherzer Variation", "e4 c5 c3 Nf6 e5 Nd5 d4 e6 Nf3 Nc6"),
("B22", "Sicilian Defense, Alapin Variation, Smith-Morra Declined", "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4"),
("B22", "Sicilian Defense, Alapin Variation, Stoltz Attack", "e4 c5 c3 Nf6 e5 Nd5 Nf3 Nc6 Bc4 Nb6 Bb3"),
("B22", "Sicilian Defense, Alapin Variation, Stoltz Attack, Ivanchuk Line", "e4 c5 c3 Nf6 e5 Nd5 Nf3 Nc6 Bc4 Nb6 Bb3 c4 Bc2 Qc7 Qe2 g5"),
("B59", "Sicilian Defense, Boleslavsky Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3"),
("B58", "Sicilian Defense, Boleslavsky Variation, General Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5"),
("B58", "Sicilian Defense, Boleslavsky Variation, Louma Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nxc6"),
("B20", "Sicilian Defense, Bowlder Attack", "e4 c5 Bc4"),
("B51", "Sicilian Defense, Canal Attack", "e4 c5 Nf3 d6 Bb5+"),
("B51", "Sicilian Defense, Canal Attack, Haag Gambit", "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nc6 c3 Nf6 d4"),
("B52", "Sicilian Defense, Canal Attack, Main Line", "e4 c5 Nf3 d6 Bb5+ Bd7"),
("B51", "Sicilian Defense, Canal Attack, Moscow Gambit", "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 c3 a6 Bxc6 Bxc6 Re1 Nf6 d4 Bxe4 Bg5"),
("B20", "Sicilian Defense, Chameleon", "e4 c5 Ne2"),
("B53", "Sicilian Defense, Chekhover Variation", "e4 c5 Nf3 d6 d4 cxd4 Qxd4"),
("B53", "Sicilian Defense, Chekhover Variation, Zaitsev Defense", "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Qd7"),
("B58", "Sicilian Defense, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2"),
("B57", "Sicilian Defense, Classical Variation, Anti-Sozin Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6"),
("B58", "Sicilian Defense, Classical Variation, Fianchetto Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 g3"),
("B56", "Sicilian Defense, Classical Variation, General", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6"),
("B30", "Sicilian Defense, Closed Sicilian, Anti-Sveshnikov Variation, Kharlov-Kramnik Line", "e4 c5 Nc3 Nc6 Nf3 e5 Bc4 d6 d3 Be7 Nd2 Bg5"),
("B25", "Sicilian Defense, Closed Variation", "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4"),
("B26", "Sicilian Defense, Closed Variation", "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3"),
("B23", "Sicilian Defense, Closed Variation", "e4 c5 Nc3"),
("B25", "Sicilian Defense, Closed Variation, Botvinnik Defense I", "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5"),
("B25", "Sicilian Defense, Closed Variation, Botvinnik Defense I, Edge Variation", "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5 Nh3 Nge7"),
("B25", "Sicilian Defense, Closed Variation, Botvinnik Defense II", "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nge2 e5"),
("B23", "Sicilian Defense, Closed Variation, Chameleon Variation", "e4 c5 Nc3 Nc6 Nge2"),
("B24", "Sicilian Defense, Closed Variation, Fianchetto Variation", "e4 c5 Nc3 Nc6 g3"),
("B23", "Sicilian Defense, Closed Variation, Korchnoi Defense", "e4 c5 Nc3 e6 g3 d5"),
("B25", "Sicilian Defense, Closed Variation, Traditional", "e4 c5 Nc3 Nc6"),
("B40", "Sicilian Defense, Delayed Alapin Variation", "e4 c5 Nf3 e6 c3"),
("B50", "Sicilian Defense, Delayed Alapin", "e4 c5 Nf3 d6 c3"),
("B50", "Sicilian Defense, Delayed Alapin, Basman-Palatnik Double Gambit", "e4 c5 Nf3 d6 c3 Nf6 Be2 Nc6 d4 cxd4 cxd4 Nxe4 d5 Qa5+ Nc3 Nxc3 bxc3"),
("B73", "Sicilian Defense, Dragon Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6 O-O"),
("B72", "Sicilian Defense, Dragon Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3"),
("B73", "Sicilian Defense, Dragon Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6"),
("B72", "Sicilian Defense, Dragon Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6 Nb3"),
("B74", "Sicilian Defense, Dragon Variation, Classical Variation, Alekhine Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6 O-O O-O Nb3 a5"),
("B73", "Sicilian Defense, Dragon Variation, Classical Variation, Battery Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6 O-O O-O Qd2"),
("B72", "Sicilian Defense, Dragon Variation, Classical Variation, General", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2"),
("B74", "Sicilian Defense, Dragon Variation, Classical Variation, Maroczy Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6 O-O O-O Nb3 Be6 f4 Na5"),
("B74", "Sicilian Defense, Dragon Variation, Classical Variation, Normal Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6 O-O O-O Nb3"),
("B74", "Sicilian Defense, Dragon Variation, Classical Variation, Tartakower Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6 O-O O-O Nb3 Be6 f4 Qc8"),
("B70", "Sicilian Defense, Dragon Variation, Fianchetto Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 g3"),
("B70", "Sicilian Defense, Dragon Variation, General", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6"),
("B71", "Sicilian Defense, Dragon Variation, Levenfish Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4"),
("B71", "Sicilian Defense, Dragon Variation, Levenfish Variation, Main Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4 Nbd7"),
("B35", "Sicilian Defense, Dragon Variation, Modern Bc4 Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 Nc6"),
("B77", "Sicilian Defense, Dragon Variation, Yugoslav Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6"),
("B76", "Sicilian Defense, Dragon Variation, Yugoslav Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O"),
("B78", "Sicilian Defense, Dragon Variation, Yugoslav Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O"),
("B77", "Sicilian Defense, Dragon Variation, Yugoslav Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7"),
("B76", "Sicilian Defense, Dragon Variation, Yugoslav Attack, Belezky Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 Nc6"),
("B77", "Sicilian Defense, Dragon Variation, Yugoslav Attack, Czerniak Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Nxd4 Bxd4 Be6"),
("B75", "Sicilian Defense, Dragon Variation, Yugoslav Attack, Early deviations", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3"),
("B77", "Sicilian Defense, Dragon Variation, Yugoslav Attack, Main Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4"),
("B76", "Sicilian Defense, Dragon Variation, Yugoslav Attack, Modern Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O"),
("B78", "Sicilian Defense, Dragon Variation, Yugoslav Attack, Old Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8"),
("B76", "Sicilian Defense, Dragon Variation, Yugoslav Attack, Panov Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 g4"),
("B77", "Sicilian Defense, Dragon Variation, Yugoslav Attack, Sosonko Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Nd7"),
("B40", "Sicilian Defense, Drazic Variation", "e4 c5 Nf3 e6 d4 a6"),
("B32", "Sicilian Defense, Flohr Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Qc7"),
("B45", "Sicilian Defense, Four Knights Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6"),
("B45", "Sicilian Defense, Four Knights Variation, Cobra Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Ndb5 Bc5"),
("B45", "Sicilian Defense, Four Knights Variation, Exchange Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Nxc6"),
("B40", "Sicilian Defense, French Variation", "e4 c5 Nf3 e6"),
("B40", "Sicilian Defense, French Variation, Normal", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6"),
("B40", "Sicilian Defense, French Variation, Open", "e4 c5 Nf3 e6 d4 cxd4"),
("B40", "Sicilian Defense, French Variation, Westerinen Attack", "e4 c5 Nf3 e6 b3"),
("B40", "Sicilian Defense, Gaw-Paw Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Qb6"),
("B40", "Sicilian Defense, General", "e4 e5"),
("B32", "Sicilian Defense, Godiva Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Qb6"),
("B23", "Sicilian Defense, Grand Prix Attack", "e4 c5 Nc3 Nc6 f4"),
("B23", "Sicilian Defense, Grand Prix Attack, Schofman Variation", "e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bc4 e6 f5"),
("B27", "Sicilian Defense, Hyperaccelerated Dragon", "e4 c5 Nf3 g6"),
("A42", "Sicilian Defense, Hyperaccelerated Fianchetto", "e4 c5 Nf3 g6 d4"),
("B27", "Sicilian Defense, Hyperaccelerated Pterodactyl", "e4 c5 Nf3 g6 d4 Bg7"),
("B32", "Sicilian Defense, Kalashnikov Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6"),
("B41", "Sicilian Defense, Kan Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6"),
("B43", "Sicilian Defense, Kan Variation, Knight Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3"),
("B41", "Sicilian Defense, Kan Variation, Maroczy Bind, Bronstein Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6 Nc3 Bb4 Bd3 Nc6"),
("B41", "Sicilian Defense, Kan Variation, Maroczy Bind, Reti Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4"),
("B42", "Sicilian Defense, Kan Variation, Modern Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3"),
("B42", "Sicilian Defense, Kan Variation, Polugaevsky Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Bc5"),
("B42", "Sicilian Defense, Kan Variation, Swiss Cheese Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 g6"),
("B43", "Sicilian Defense, Kan Variation, Wing Attack", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 b5"),
("B43", "Sicilian Defense, Kan Variation, Wing Attack, Fianchetto Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 b5 g3"),
("B43", "Sicilian Defense, Kan Variation, Wing Attack, Spraggett Attack", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 b5 Bd3 Qb6 Nf3"),
("B27", "Sicilian Defense, Katalimov Variation", "e4 c5 Nf3 b6"),
("B40", "Sicilian Defense, Kramnik Variation", "e4 c5 Nf3 e6 c4"),
("B20", "Sicilian Defense, Kronberger Variation", "e4 c5 Na3"),
("B56", "Sicilian Defense, Kupreichik Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Bd7"),
("B40", "Sicilian Defense, Kveinis Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Qb6"),
("B20", "Sicilian Defense, Lasker-Dunne Attack", "e4 c5 g3"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Bird Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 Be6"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Exchange Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nxc6"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, General", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Retreat Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nf3"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Schlechter Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nb3"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Sveshnikov Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Sveshnikov Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Nd5"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 Bg7"),
("B33", "Sicilian Defense, Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 Bxb5"),
("B32", "Sicilian Defense, Löwenthal Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5"),
("B40", "Sicilian Defense, Marshall Counterattack", "e4 c5 Nf3 e6 d4 d5"),
("B21", "Sicilian Defense, McDonnell Attack", "e4 c5 f4"),
("B21", "Sicilian Defense, McDonnell Attack, Tal Gambit", "e4 c5 f4 d5 exd5 Nf6"),
("B20", "Sicilian Defense, Mengarini Variation", "e4 c5 a3"),
("B56", "Sicilian Defense, Modern Variations", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3"),
("B50", "Sicilian Defense, Modern Variations", "e4 c5 Nf3 d6"),
("B54", "Sicilian Defense, Modern Variations", "e4 c5 Nf3 d6 d4 cxd4 Nxd4"),
("B50", "Sicilian Defense, Modern Variations, Anti-Qxd4 Move Order", "e4 c5 Nf3 d6 d4 Nf6"),
("B50", "Sicilian Defense, Modern Variations, Anti-Qxd4 Move Order, Accepted", "e4 c5 Nf3 d6 d4 Nf6 dxc5 Nxe4"),
("B57", "Sicilian Defense, Modern Variations, Main Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6"),
("B53", "Sicilian Defense, Modern Variations, Tartakower", "e4 c5 Nf3 d6 d4 cxd4 c3"),
("B21", "Sicilian Defense, Morphy Gambit", "e4 c5 d4 cxd4 Nf3"),
("B98", "Sicilian Defense, Najdorf Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7"),
("B95", "Sicilian Defense, Najdorf Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6"),
("B94", "Sicilian Defense, Najdorf Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5"),
("B96", "Sicilian Defense, Najdorf Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4"),
("B90", "Sicilian Defense, Najdorf Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6"),
("B90", "Sicilian Defense, Najdorf Variation, Adams Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 h3"),
("B93", "Sicilian Defense, Najdorf Variation, Amsterdam Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4"),
("B98", "Sicilian Defense, Najdorf Variation, Browne Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 Qc7"),
("B90", "Sicilian Defense, Najdorf Variation, English Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3"),
("B90", "Sicilian Defense, Najdorf Variation, English Attack, Anti-English", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 Ng4"),
("B90", "Sicilian Defense, Najdorf Variation, Freak Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Rg1"),
("B98", "Sicilian Defense, Najdorf Variation, Goteborg (Argentine)", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 g5"),
("B99", "Sicilian Defense, Najdorf Variation, Main Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7"),
("B96", "Sicilian Defense, Najdorf Variation, Neo-Classical Defense", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nc6"),
("B92", "Sicilian Defense, Najdorf Variation, Opocensky Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2"),
("B92", "Sicilian Defense, Najdorf Variation, Opocensky Variation, Modern Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O Be6"),
("B92", "Sicilian Defense, Najdorf Variation, Opocensky Variation, Traditional Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O"),
("B97", "Sicilian Defense, Najdorf Variation, Poisoned Pawn Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6"),
("B97", "Sicilian Defense, Najdorf Variation, Poisoned Pawn, Accepted", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3"),
("B96", "Sicilian Defense, Najdorf Variation, Polugayevsky Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5"),
("B96", "Sicilian Defense, Najdorf Variation, Polugayevsky Variation, Simagin Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Qe2"),
("B84", "Sicilian Defense, Najdorf Variation, Scheveningen Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Nbd7"),
("B98", "Sicilian Defense, Najdorf Variation, Traditional Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7"),
("B91", "Sicilian Defense, Najdorf Variation, Zagreb (Fianchetto) Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3"),
("B32", "Sicilian Defense, Nimzo-American Variation", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 d5"),
("B29", "Sicilian Defense, Nimzowitsch Variation, Advance Variation", "e4 c5 Nf3 Nf6 e5"),
("B29", "Sicilian Defense, Nimzowitsch Variation, Closed Variation", "e4 c5 Nf3 Nf6 Nc3"),
("B29", "Sicilian Defense, Nimzowitsch Variation, Exchange Variation", "e4 c5 Nf3 Nf6 e5 Nd5 Nc3 Nxc3"),
("B29", "Sicilian Defense, Nimzowitsch Variation, Main Line", "e4 c5 Nf3 Nf6 e5 Nd5 Nc3 e6 Nxd5 exd5 d4 Nc6"),
("B29", "Sicilian Defense, Nimzowitsch Variation, General", "e4 c5 Nf3 Nf6"),
("B30", "Sicilian Defense, Nyezhmetdinov-Rossolimo Attack", "e4 c5 Nf3 Nc6 Bb5"),
("B31", "Sicilian Defense, Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation", "e4 c5 Nf3 Nc6 Bb5 g6"),
("B31", "Sicilian Defense, Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit", "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3 e5 d4"),
("B31", "Sicilian Defense, Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov Gambit", "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3 Nf6 d4"),
("B31", "Sicilian Defense, Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Totsky Attack", "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3 Nf6 Qa4"),
("B31", "Sicilian Defense, Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation", "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 e5 b4"),
("B28", "Sicilian Defense, O'Kelly Variation", "e4 c5 Nf3 a6"),
("B28", "Sicilian Defense, O'Kelly Variation, Maroczy Bind", "e4 c5 Nf3 a6 c4"),
("B28", "Sicilian Defense, O'Kelly Variation, Maroczy Bind, Geller Line", "e4 c5 Nf3 a6 c4 Nc6 d4 cxd4 Nxd4 e5"),
("B28", "Sicilian Defense, O'Kelly Variation, Maroczy Bind, Paulsen Line", "e4 c5 Nf3 a6 c4 e6"),
("B28", "Sicilian Defense, O'Kelly Variation, Maroczy Bind, Robatsch Line", "e4 c5 Nf3 a6 c4 d6"),
("B28", "Sicilian Defense, O'Kelly Variation, Normal System", "e4 c5 Nf3 a6 d4"),
("B28", "Sicilian Defense, O'Kelly Variation, Normal System, Kan Line", "e4 c5 Nf3 a6 d4 cxd4 Nxd4 e6"),
("B28", "Sicilian Defense, O'Kelly Variation, Normal System, Taimanov Line", "e4 c5 Nf3 a6 d4 cxd4 Nxd4 e5"),
("B28", "Sicilian Defense, O'Kelly Variation, Quiet System", "e4 c5 Nf3 a6 d3"),
("B28", "Sicilian Defense, O'Kelly Variation, Reti System", "e4 c5 Nf3 a6 g3"),
("B28", "Sicilian Defense, O'Kelly Variation, Venice System", "e4 c5 Nf3 a6 c3"),
("B28", "Sicilian Defense, O'Kelly Variation, Venice System, Barcza Line", "e4 c5 Nf3 a6 c3 Nf6"),
("B28", "Sicilian Defense, O'Kelly Variation, Venice System, Steiner Line", "e4 c5 Nf3 a6 c3 d6"),
("B28", "Sicilian Defense, O'Kelly Variation, Yerevan System", "e4 c5 Nf3 a6 Nc3"),
("B30", "Sicilian Defense, Old Sicilian, General", "e4 c5 Nf3 Nc6"),
("B33", "Sicilian Defense, Old Sicilian, Normal", "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6"),
("B32", "Sicilian Defense, Old Sicilian, Open", "e4 c5 Nf3 Nc6 d4"),
("B46", "Sicilian Defense, Paulsen Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6"),
("B45", "Sicilian Defense, Paulsen Variation, American Attack", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 Nd6+"),
("B47", "Sicilian Defense, Paulsen Variation, Bastrikov Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7"),
("B49", "Sicilian Defense, Paulsen Variation, Bastrikov Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2"),
("B48", "Sicilian Defense, Paulsen Variation, Bastrikov Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3"),
("B48", "Sicilian Defense, Paulsen Variation, Bastrikov Variation, English Attack", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Qd2"),
("B48", "Sicilian Defense, Paulsen Variation, Bastrikov Variation, Ponomariov Gambit", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Ndb5 Qb8 Be3 a6 Bb6"),
("B44", "Sicilian Defense, Paulsen Variation, General", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6"),
("B44", "Sicilian Defense, Paulsen Variation, Modern Line", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 O-O O-O b6"),
("B45", "Sicilian Defense, Paulsen Variation, Normal Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3"),
("B44", "Sicilian Defense, Paulsen Variation, Szen Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5"),
("B46", "Sicilian Defense, Paulsen Variation, Taimanov Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be2 Nge7"),
("B40", "Sicilian Defense, Paulsen-Basman Defense", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Bc5"),
("B40", "Sicilian Defense, Pin Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Bb4"),
("B40", "Sicilian Defense, Pin Variation, Koch Variation", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Bb4 e5"),
("B54", "Sicilian Defense, Prins Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3"),
("B55", "Sicilian Defense, Prins Variation, Venice Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Bb5+"),
("B62", "Sicilian Defense, Richter-Rauzer Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd3"),
("B65", "Sicilian Defense, Richter-Rauzer Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4 Qxd4"),
("B63", "Sicilian Defense, Richter-Rauzer Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7"),
("B64", "Sicilian Defense, Richter-Rauzer Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4"),
("B66", "Sicilian Defense, Richter-Rauzer Variation, Classical Variation, Kantscher Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O Nxd4 Qxd4 a6 f4 b5"),
("B60", "Sicilian Defense, Richter-Rauzer Variation, Dragon Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 g6"),
("B60", "Sicilian Defense, Richter-Rauzer Variation, General", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5"),
("B63", "Sicilian Defense, Richter-Rauzer Variation, Ivanov Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Qb6"),
("B60", "Sicilian Defense, Richter-Rauzer Variation, Modern Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7"),
("B61", "Sicilian Defense, Richter-Rauzer Variation, Modern Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2"),
("B67", "Sicilian Defense, Richter-Rauzer Variation, Neo-Modern Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7"),
("B68", "Sicilian Defense, Richter-Rauzer Variation, Neo-Modern Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7"),
("B62", "Sicilian Defense, Richter-Rauzer Variation, Neo-Modern Variation, Early deviations", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6"),
("B69", "Sicilian Defense, Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Nf3 b5 Bxf6"),
("B63", "Sicilian Defense, Richter-Rauzer Variation, Traditional Variatoin", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2"),
("B62", "Sicilian Defense, Richter-Rauzer Variation, Vitolins Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Bb5"),
("B80", "Sicilian Defense, Scheveningen Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6"),
("B84", "Sicilian Defense, Scheveningen Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6"),
("B84", "Sicilian Defense, Scheveningen Variation, Classical Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7"),
("B83", "Sicilian Defense, Scheveningen Variation, Classical Variation, General", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2"),
("B85", "Sicilian Defense, Scheveningen Variation, Classical Variation, Paulsen Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 f4 Nc6 Be3"),
("B85", "Sicilian Defense, Scheveningen Variation, Classical Variation, Paulsen Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 f4 Nc6 Kh1 Be7 a4"),
("B81", "Sicilian Defense, Scheveningen Variation, Delayed Keres Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 g4"),
("B81", "Sicilian Defense, Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 g4 e5 Nf5 g6 g5"),
("B80", "Sicilian Defense, Scheveningen Variation, English Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3"),
("B80", "Sicilian Defense, Scheveningen Variation, English Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 Qd2"),
("B80", "Sicilian Defense, Scheveningen Variation, Fianchetto Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3"),
("B81", "Sicilian Defense, Scheveningen Variation, Keres Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4"),
("B82", "Sicilian Defense, Scheveningen Variation, Matanovic Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4"),
("B83", "Sicilian Defense, Scheveningen Variation, Modern Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4"),
("B83", "Sicilian Defense, Scheveningen Variation, Modern Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 Bd7 Nb3"),
("B83", "Sicilian Defense, Scheveningen Variation, Modern Variation, General", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6"),
("B82", "Sicilian Defense, Scheveningen Variation, Tal Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6 Be3 Be7 Qf3"),
("B80", "Sicilian Defense, Scheveningen Variation, Vitolins Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bb5+"),
("B40", "Sicilian Defense, Smith-Morra Gambit Deferred", "e4 c5 Nf3 e6 d4 cxd4 c3"),
("B21", "Sicilian Defense, Smith-Morra Gambit", "e4 c5 d4 cxd4 c3"),
("B21", "Sicilian Defense, Smith-Morra Gambit, Accepted, Classical Formation", "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 a6 O-O Nf6"),
("B21", "Sicilian Defense, Smith-Morra Gambit, Accepted, Fianchetto Defense", "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 g6"),
("B21", "Sicilian Defense, Smith-Morra Gambit, Accepted, Kan Formation", "e4 c5 d4 cxd4 c3 dxc3 Nxc3 e6 Nf3 a6"),
("B21", "Sicilian Defense, Smith-Morra Gambit, Accepted, Paulsen Formation", "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4 a6"),
("B21", "Sicilian Defense, Smith-Morra Gambit, Accepted, Scheveningen Formation", "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 e6"),
("B21", "Sicilian Defense, Smith-Morra Gambit, Declined, Dubois Variation", "e4 c5 d4 cxd4 c3 d3 c4"),
("B21", "Sicilian Defense, Smith-Morra Gambit, Declined, Push Variation", "e4 c5 d4 cxd4 c3 d3"),
("B21", "Sicilian Defense, Smith-Morra Gambit, Declined, Scandinavian Formation", "e4 c5 d4 cxd4 c3 d5"),
("B20", "Sicilian Defense, Snyder Variation", "e4 c5 b3"),
("B20", "Sicilian Defense, Snyder Variation, Queen Fianchetto Variation", "e4 c5 b3 b6"),
("B87", "Sicilian Defense, Sozin Attack, Flank Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6 Bb3 b5"),
("B86", "Sicilian Defense, Sozin Attack, General Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4"),
("B88", "Sicilian Defense, Sozin Attack, Leonhardt Variation", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6"),
("B89", "Sicilian Defense, Sozin Attack, Main Line", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3"),
("B20", "Sicilian Defense, Staunton-Cochrane Variation", "e4 c5 c4"),
("B89", "Sicilian Defense, Velimirovic Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7 Qe2"),
("B56", "Sicilian Defense, Venice Attack", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Bb5+"),
("B40", "Sicilian Defense, Wing Gambit Deferred", "e4 c5 Nf3 e6 b4"),
("B20", "Sicilian Defense, Wing Gambit", "e4 c5 b4"),
("B20", "Sicilian Defense, Wing Gambit, Abrahams Variation", "e4 c5 b4 cxb4 Bb2"),
("B20", "Sicilian Defense, Wing Gambit, Carlsbad Variation", "e4 c5 b4 cxb4 a3 bxa3"),
("B50", "Sicilian Defense, Wing Gambit, Deferred Variation", "e4 c5 Nf3 d6 b4"),
("B20", "Sicilian Defense, Wing Gambit, Marshall Variation", "e4 c5 b4 cxb4 a3"),
("D16", "Slav Defense, Alapin Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4"),
("D15", "Slav Defense, Alekhine Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e3"),
("D11", "Slav Defense, Bonet Gambit", "d4 d5 c4 c6 Nf3 Nf6 Bg5"),
("D11", "Slav Defense, Breyer Variation", "d4 d5 c4 c6 Nf3 Nf6 Nbd2"),
("D15", "Slav Defense, Chameleon Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6"),
("D15", "Slav Defense, Chameleon Variation, Advance System", "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 c5"),
("D17", "Slav Defense, Czech Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5"),
("D17", "Slav Defense, Czech Variation, Bled Attack", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Nh4"),
("D17", "Slav Defense, Czech Variation, Carlsbad Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 Nbd7 Nxc4 Qc7 g3 e5"),
("D17", "Slav Defense, Czech Variation, Carlsbad Variation, Morozevich Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 Nbd7 Nxc4 Qc7 g3 e5 dxe5 Nxe5 Bf4 Nfd7 Bg2 g5"),
("D18", "Slav Defense, Czech Variation, Classical System", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3"),
("D19", "Slav Defense, Czech Variation, Classical System, Main Line", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2"),
("D17", "Slav Defense, Czech Variation, Krause Attack", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5"),
("D17", "Slav Defense, Czech Variation, Wiesbaden Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6"),
("D17", "Slav Defense, Czech Variation, Wiesbaden Variation, Sharp line", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 e4"),
("D13", "Slav Defense, Exchange Variation", "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5"),
("D10", "Slav Defense, Exchange Variation", "d4 d5 c4 c6 cxd5"),
("D12", "Slav Defense, Exchange Variation, Schallopp Variation", "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cxd5 cxd5 Nc3"),
("D14", "Slav Defense, Exchange Variation, Symmetrical Line", "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5"),
("D14", "Slav Defense, Exchange Variation, Trifunovic Variation", "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Qb3 Bb4"),
("D15", "Slav Defense, Geller Gambit", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4"),
("D15", "Slav Defense, Geller Gambit", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4 b5 e5"),
("D10", "Slav Defense, General", "d4 d5 c4 c6"),
("D11", "Slav Defense, Modern Line", "d4 d5 c4 c6 Nf3"),
("D11", "Slav Defense, Quiet Variation", "d4 d5 c4 c6 Nf3 Nf6 e3"),
("D12", "Slav Defense, Quiet Variation, Pin Defense", "d4 d5 c4 c6 Nf3 Nf6 e3 Bg4"),
("D12", "Slav Defense, Quiet Variation, Schallopp Defense", "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5"),
("D15", "Slav Defense, Schlechter Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 g6"),
("D10", "Slav Defense, Slav Gambit, Alekhine Attack", "d4 d5 c4 c6 Nc3 dxc4 e4"),
("D16", "Slav Defense, Smyslov Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Na6"),
("D16", "Slav Defense, Soultanbeieff Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 e6"),
("D16", "Slav Defense, Steiner Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4"),
("D15", "Slav Defense, Suchting Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3 Qb6"),
("D15", "Slav Defense, Three Knights Variation", "d4 d5 c4 c6 Nf3 Nf6 Nc3"),
("D15", "Slav Defense, Two Knights Attack", "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4"),
("D10", "Slav Defense, Winawer Countergambit", "d4 d5 c4 c6 Nc3 e5"),
("A50", "Slav Indian", "d4 Nf6 c4 c6"),
("C60", "Spanish Game, Alapin Defense", "e4 e5 Nf3 Nc6 Bb5 Bb4"),
("C65", "Spanish Game, Berlin Defense", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O"),
("C67", "Spanish Game, Berlin Defense, Berlin Wall, J. Rogers Line", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+ Kxd8 Nc3 Bd7"),
("C65", "Spanish Game, Berlin Defense, Beverwijk Variation", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Bc5"),
("C66", "Spanish Game, Berlin Defense, Closed Showalter Variation", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7 Nc3 Be7 Bxc6"),
("C66", "Spanish Game, Berlin Defense, Closed Wolf Variation", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7 Nc3 exd4"),
("C66", "Spanish Game, Berlin Defense, Hedgehog Variation", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7 Nc3 Be7"),
("C66", "Spanish Game, Berlin Defense, Improved Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6"),
("C67", "Spanish Game, Berlin Defense, Minckwitz Variation", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 dxe5"),
("C65", "Spanish Game, Berlin Defense, Nyholm Attack", "e4 e5 Nf3 Nc6 Bb5 Nf6 d4 exd4 O-O"),
("C67", "Spanish Game, Berlin Defense, Rio Gambit Accepted", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4"),
("C67", "Spanish Game, Berlin Defense, Rio de Janeiro Variation", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7"),
("C67", "Spanish Game, Berlin Defense, Rosenthal Variation", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 a6"),
("C67", "Spanish Game, Berlin Defense, l'Hermet Variation", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6"),
("C67", "Spanish Game, Berlin Defense, l'Hermet Variation, Berlin Wall Defense", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+ Kxd8"),
("C67", "Spanish Game, Berlin Defense, l'Hermet Variation, Westerinen Line", "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Ne4"),
("C61", "Spanish Game, Bird Variation", "e4 e5 Nf3 Nc6 Bb5 Nd4"),
("C64", "Spanish Game, Classical Variation", "e4 e5 Nf3 Nc6 Bb5 Bc5"),
("C64", "Spanish Game, Classical Variation, Central Variation", "e4 e5 Nf3 Nc6 Bb5 Bc5 c3"),
("C64", "Spanish Game, Classical Variation, Cordel Gambit", "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 f5"),
("C64", "Spanish Game, Classical Variation, Modern Main Line", "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nf6 c3 O-O d4 Bb6 Bg5"),
("C64", "Spanish Game, Classical Variation, Zukertort Gambit", "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nf6 c3"),
("C84", "Spanish Game, Closed Variations", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7"),
("C87", "Spanish Game, Closed Variations, Averbakh Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6"),
("C91", "Spanish Game, Closed Variations, Bogoljubow Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4"),
("C96", "Spanish Game, Closed Variations, Borisenko Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Nc6"),
("C95", "Spanish Game, Closed Variations, Breyer Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 c5"),
("C84", "Spanish Game, Closed Variations, Center Attack", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4"),
("C97", "Spanish Game, Closed Variations, Chigorin Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7"),
("C98", "Spanish Game, Closed Variations, Chigorin Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6"),
("C98", "Spanish Game, Closed Variations, Chigorin Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 dxc5"),
("C96", "Spanish Game, Closed Variations, Closed Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5"),
("C90", "Spanish Game, Closed Variations, Closed Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6"),
("C96", "Spanish Game, Closed Variations, Closed Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2"),
("C85", "Spanish Game, Closed Variations, Delayed Exchange", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6"),
("C92", "Spanish Game, Closed Variations, Flohr System", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7"),
("C92", "Spanish Game, Closed Variations, General", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3"),
("C92", "Spanish Game, Closed Variations, Keres Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 a5"),
("C92", "Spanish Game, Closed Variations, Keres Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nd7"),
("C96", "Spanish Game, Closed Variations, Keres Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Nd7"),
("C92", "Spanish Game, Closed Variations, Kholmov Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Be6"),
("C78", "Spanish Game, Closed Variations, Martinez Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d3"),
("C78", "Spanish Game, Closed Variations, Morphy Attack", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Nc3"),
("C90", "Spanish Game, Closed Variations, Pilnik Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3"),
("C93", "Spanish Game, Closed Variations, Smyslov Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6"),
("C93", "Spanish Game, Closed Variations, Smyslov-Breyer-Zaitsev Hybrid", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Re8 d4 Bb7 Nbd2 Bf8 a3 h6"),
("C90", "Spanish Game, Closed Variations, Suetin Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 a3"),
("C88", "Spanish Game, Closed Variations, Trajkovic Counterattack", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 Bb7"),
("C86", "Spanish Game, Closed Variations, Worrall Attack", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2"),
("C86", "Spanish Game, Closed Variations, Worrall Attack, Caslting line", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O"),
("C86", "Spanish Game, Closed Variations, Worrall Attack, Delayed castling line", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 d6"),
("C91", "Spanish Game, Closed Variations, Yates Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4"),
("C92", "Spanish Game, Closed Variations, Zaitsev System", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Re8"),
("C60", "Spanish Game, Cozio Defense, General", "e4 e5 Nf3 Nc6 Bb5 Nge7"),
("C60", "Spanish Game, Cozio Defense, Paulsen Variation", "e4 e5 Nf3 Nc6 Bb5 Nge7 Nc3 g6"),
("C69", "Spanish Game, Exchange Variation, Alapin Gambit", "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Bg4 h3 h5"),
("C69", "Spanish Game, Exchange Variation, Bronstein Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Qd6"),
("C68", "Spanish Game, Exchange Variation, General", "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6"),
("C69", "Spanish Game, Exchange Variation, Gligoric Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6"),
("C68", "Spanish Game, Exchange Variation, Keres Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 Nc3"),
("C68", "Spanish Game, Exchange Variation, King's Bishop Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Bd6"),
("C68", "Spanish Game, Exchange Variation, Lutikov Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 bxc6"),
("C69", "Spanish Game, Exchange Variation, Normal Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O"),
("C60", "Spanish Game, Fianchetto Defense", "e4 e5 Nf3 Nc6 Bb5 g6"),
("C60", "Spanish Game, General", "e4 e5 Nf3 Nc6 Bb5"),
("C89", "Spanish Game, Marshall Attack, General", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5"),
("C89", "Spanish Game, Marshall Attack, Main Line", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4"),
("C89", "Spanish Game, Marshall Attack, Modern Main Line", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3"),
("C89", "Spanish Game, Marshall Attack, Modern Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6"),
("C89", "Spanish Game, Marshall Attack, Original Marshall Attack", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 Nf6"),
("C89", "Spanish Game, Marshall Attack, Re3 variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 Bxd5 cxd5 d4 Bd6 Re3"),
("C89", "Spanish Game, Marshall Attack, Steiner Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 e4"),
("C78", "Spanish Game, Morphy Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 d6"),
("C78", "Spanish Game, Morphy Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O"),
("C77", "Spanish Game, Morphy Defense, Anderssen Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3"),
("C78", "Spanish Game, Morphy Defense, Archangelsk Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7"),
("C77", "Spanish Game, Morphy Defense, Bayreuth Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Bxc6"),
("C94", "Spanish Game, Morphy Defense, Breyer Defense, Quiet Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d3"),
("C95", "Spanish Game, Morphy Defense, Breyer Defense, Zaitsev Hybrid", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7"),
("C70", "Spanish Game, Morphy Defense, Caro Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5"),
("C99", "Spanish Game, Morphy Defense, Chigorin Defense, Panov System", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4"),
("C70", "Spanish Game, Morphy Defense, Classical Defense Deferred", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Bc5"),
("C70", "Spanish Game, Morphy Defense, Cozio Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nge7"),
("C77", "Spanish Game, Morphy Defense, Duras Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3 d6 c4"),
("C70", "Spanish Game, Morphy Defense, Fianchetto Defense Deferred", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 g6"),
("C70", "Spanish Game, Morphy Defense, Graz Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5 Bb3 Bc5"),
("C77", "Spanish Game, Morphy Defense, Mackenzie Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d4"),
("C73", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+ bxc6 d4"),
("C74", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 f5 exf5 Bxf5 O-O"),
("C71", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6"),
("C75", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7"),
("C71", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c4"),
("C73", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+ bxc6 d4 f6"),
("C75", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 Nge7"),
("C74", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3"),
("C72", "Spanish Game, Morphy Defense, Modern Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O"),
("C76", "Spanish Game, Morphy Defense, Modern Steinitz Defense, Fianchetto Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6"),
("C74", "Spanish Game, Morphy Defense, Modern Steinitz Defense, Siesta Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 f5"),
("C78", "Spanish Game, Morphy Defense, Neo-Archangelsk Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Bc5"),
("C70", "Spanish Game, Morphy Defense, Norwegian Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5 Bb3 Na5"),
("C70", "Spanish Game, Morphy Defense, Schliemann Defense Deferred", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 f5"),
("C79", "Spanish Game, Morphy Defense, Steinitz Deferred", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6"),
("C77", "Spanish Game, Morphy Defense, Tarrasch Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Nc3"),
("C77", "Spanish Game, Morphy Defense, Wormald Attack", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2"),
("C80", "Spanish Game, Open Variations", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3"),
("C82", "Spanish Game, Open Variations, Berlin Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5"),
("C80", "Spanish Game, Open Variations, Bernstein Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2"),
("C83", "Spanish Game, Open Variations, Classical Defense", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7"),
("C82", "Spanish Game, Open Variations, Dilworth Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Nxf2"),
("C81", "Spanish Game, Open Variations, Howell Attack", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2"),
("C82", "Spanish Game, Open Variations, Italian Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5"),
("C80", "Spanish Game, Open Variations, Main Lines", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6"),
("C82", "Spanish Game, Open Variations, Motzko Attack II", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Qd3"),
("C80", "Spanish Game, Open Variations, Open Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4"),
("C80", "Spanish Game, Open Variations, Riga Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 exd4"),
("C82", "Spanish Game, Open Variations, St. Petersburg Variation", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2"),
("C60", "Spanish Game, Schleimann Defense, Jaenisch Gambit Accepted", "e4 e5 Nf3 Nc6 Bb5 f5 exf5"),
("C63", "Spanish Game, Schliemann Defense", "e4 e5 Nf3 Nc6 Bb5 f5"),
("C63", "Spanish Game, Schliemann Defense, Classical Variation", "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 d5 Nxe5 dxe4 Nxc6 Qg5"),
("C63", "Spanish Game, Schliemann Defense, Dyckhoff Variation", "e4 e5 Nf3 Nc6 Bb5 f5 Nc3"),
("C63", "Spanish Game, Schliemann Defense, Exchange Variation", "e4 e5 Nf3 Nc6 Bb5 f5 Bxc6"),
("C63", "Spanish Game, Schliemann Defense, Möhring Variation", "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 d5 Nxe5 dxe4 Nxc6 Qd5"),
("C63", "Spanish Game, Schliemann Defense, Schönemann Attack", "e4 e5 Nf3 Nc6 Bb5 f5 d4"),
("C63", "Spanish Game, Schliemann Defense, Tartakower Variation", "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 Nf6"),
("C62", "Spanish Game, Steinitz Defense", "e4 e5 Nf3 Nc6 Bb5 d6"),
("B00", "St. George Defense, General", "e4 a6"),
("B00", "St. George Defense, New St. George, Traditional Line", "e4 a6 d4 e6 Nf3 b5 Bd3 c5 c3 Bb7 O-O Nf6"),
("B00", "St. George Defense, Polish Variation", "e4 a6 d4 b5 Nf3 Bb7 Bd3 e6"),
("A45", "System, Canard Formation", "d4 Nf6 f4"),
("D34", "Tarrasch Defense, Classical Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O"),
("D34", "Tarrasch Defense, Classical Variation, Advance Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 c4"),
("D34", "Tarrasch Defense, Classical Variation, Carlsbad Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5"),
("D34", "Tarrasch Defense, Classical Variation, Classical Tarrasch Gambit", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 d4"),
("D34", "Tarrasch Defense, Classical Variation, Endgame Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 Be6"),
("D34", "Tarrasch Defense, Classical Variation, Main Line", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6 Be3 Re8"),
("D34", "Tarrasch Defense, Classical Variation, Petursson Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 Re8"),
("D34", "Tarrasch Defense, Classical Variation, Reti Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5 Na4"),
("D34", "Tarrasch Defense, Classical Variation, Spassky Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6 Be3 Bg4"),
("D32", "Tarrasch Defense, General", "d4 d5 c4 e6 Nc3 c5"),
("D33", "Tarrasch Defense, Prague Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6"),
("D34", "Tarrasch Defense, Prague Variation, Main Line", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7"),
("D33", "Tarrasch Defense, Rubinstein System", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3"),
("D32", "Tarrasch Defense, Schara Gambit", "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4"),
("D33", "Tarrasch Defense, Swedish Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4"),
("D32", "Tarrasch Defense, Symmetrical Variation", "d4 d5 c4 e6 Nc3 c5 e3 Nf6 Nf3 Nc6"),
("D32", "Tarrasch Defense, Two Knights Variation", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3"),
("C46", "Three Knights Opening, General", "e4 e5 Nf3 Nc6 Nc3"),
("C46", "Three Knights Opening, Steinitz - Rosenthal Variation", "e4 e5 Nf3 Nc6 Nc3 g6 d4 exd4 Nd5"),
("C46", "Three Knights Opening, Steinitz Defense", "e4 e5 Nf3 Nc6 Nc3 g6"),
("A46", "Torre Attack, Classical Defense", "d4 Nf6 Nf3 e6 Bg5"),
("A46", "Torre Attack, Classical Defense, Nimzowitsch Variation", "d4 Nf6 Nf3 e6 Bg5 h6"),
("A46", "Torre Attack, Classical Defense, Petrosian Gambit", "d4 Nf6 Nf3 e6 Bg5 c5 e3 b6 d5"),
("A48", "Torre Attack, Fianchetto Defense", "d4 Nf6 Nf3 g6 Bg5"),
("A48", "Torre Attack, Fianchetto Defense, Euwe Variation", "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 c5"),
("A45", "Trompowsky Attack, Classical Defense", "d4 Nf6 Bg5 e6"),
("A45", "Trompowsky Attack, Classical Defense, Big Center Variation", "d4 Nf6 Bg5 e6 e4"),
("A45", "Trompowsky Attack, Edge Variation", "d4 Nf6 Bg5 Ne4 Bh4"),
("A45", "Trompowsky Attack, General", "d4 Nf6 Bg5"),
("A45", "Trompowsky Attack, Poisoned Pawn Variation", "d4 Nf6 Bg5 c5 d5 Qb6 Nc3"),
("A45", "Trompowsky Attack, Raptor Variation", "d4 Nf6 Bg5 Ne4 h4"),
("A00", "Van Geet Opening, Caro-Kann Variation", "Nc3 d5 e4 c6"),
("A00", "Van Geet Opening, General", "Nc3"),
("A00", "Van Geet Opening, Grünfeld Defense", "Nc3 d5 e4 dxe4 Nxe4 e5"),
("A00", "Van Geet Opening, Napoleon Attack", "Nc3 e5 Nf3 Nc6 d4"),
("A00", "Van Geet Opening, Sicilian Two Knights", "Nc3 c5 Nf3 Nc6 d4 cxd4 Nxd4"),
("A00", "Van't Kruijs Opening, General", "e3"),
("C25", "Vienna Game, Anderssen Defense", "e4 e5 Nc3 Bc5"),
("C26", "Vienna Game, Falkbeer Variation", "e4 e5 Nc3 Nf6"),
("C27", "Vienna Game, General", "e4 e5 Nc3"),
("C26", "Vienna Game, Mieses Variation", "e4 e5 Nc3 Nf6 g3"),
("C25", "Vienna Game, Omaha Gambit", "e4 e5 Nc3 d6 f4"),
("C25", "Vienna Game, Paulsen Variation", "e4 e5 Nc3 Nc6 g3"),
("C26", "Vienna Game, Stanley Variation", "e4 e5 Nc3 Nf6 Bc4"),
("C27", "Vienna Game, Stanley Variation, Frankenstein-Dracula Variation", "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Nc6 Nb5 g6 Qf3 f5 Qd5 Qe7 Nxc7+ Kd8 Nxa8 b6"),
("C27", "Vienna Game, Stanley Variation, Modern Variation", "e4 e5 Nc3 Nf6 Bc4 Nxe4"),
("C26", "Vienna Game, Stanley Variation, Reversed Spanish", "e4 e5 Nc3 Nf6 Bc4 Bb4"),
("C28", "Vienna Game, Stanley Variation, Three Knights Variation", "e4 e5 Nc3 Nf6 Bc4 Nc6"),
("C25", "Vienna Game, Vienna Gambit", "e4 e5 Nc3 Nc6 f4"),
("C28", "Vienna Game, Vienna Gambit", "e4 e5 Nc3 Nf6 f4"),
("C29", "Vienna Game, Vienna Gambit, Breyer Variation", "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Be7"),
("C29", "Vienna Game, Vienna Gambit, Main Line", "e4 e5 Nc3 Nf6 f4 d5"),
("C29", "Vienna Game, Vienna Gambit, Modern Variation", "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 d3"),
("C29", "Vienna Game, Vienna Gambit, Paulsen Attack", "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Qf3"),
("C25", "Vienna Game, Vienna Gambit, Steinitz Gambit, Knight Variation", "e4 e5 Nc3 Nc6 f4 exf4 Nf3"),
("A41", "Wade Defense, General", "d4 d6 Nf3 Bg4"),
("A04", "Zukertort Opening, Black Mustang Defense", "Nf3 Nc6"),
("A49", "Zukertort Opening, Double Fianchetto Attack", "Nf3 Nf6 b3 g6 Bb2 Bg7 g3 O-O Bg2 d6 O-O"),
("A04", "Zukertort Opening, Dutch Variation", "Nf3 f5"),
("A49", "Zukertort Opening, Grünfeld Reversed", "Nf3 c5 g3 d5 Bg2 Nc6 d4 e6 O-O"),
("A04", "Zukertort Opening, Kingside Fianchetto", "Nf3 g6"),
("A04", "Zukertort Opening, Lisitsyn Gambit Deferred", "Nf3 f5 d3 Nf6 e4"),
("A04", "Zukertort Opening, Lisitsyn Gambit", "Nf3 f5 e4"),
("A04", "Zukertort Opening, Nimzo-Larsen Variation", "Nf3 Nf6 b3"),
("A06", "Zukertort Opening, Old Indian Attack", "Nf3 d5 d3"),
("A04", "Zukertort Opening, Pirc Invitation", "Nf3 d6"),
("A04", "Zukertort Opening, Polish Defense", "Nf3 b5"),
("A06", "Zukertort Opening, Queen Pawn Defense", "Nf3 d5"),
("A04", "Zukertort Opening, Queen's Gambit Invitation", "Nf3 e6"),
("A04", "Zukertort Opening, Queenside Fianchetto Variation", "Nf3 b6"),
("A04", "Zukertort Opening, Quiet system", "Nf3 Nf6 e3"),
("D02", "Zukertort Opening, Reversed Queen's Gambit", "d4 d5 Nf3 c5"),
("A06", "Zukertort Opening, Santasiere's Folly", "Nf3 d5 b4"),
("A04", "Zukertort Opening, Sicilian Invitation", "Nf3 c5"),
("A04", "Zukertort Opening, Slav Invitation", "Nf3 c6"),
("A04", "Zukertort Opening, Symmetrical Variation", "Nf3 Nf6"),
("A41", "Zukertort Opening, Wade Defense, Chigorin Plan", "Nf3 d6 d4 Bg4 c4 Nd7 Qb3 Rb8"),
("B02", "Alekhine Defence, Alekhine Gambit", "e4 Nf6 e5 Nd5 c4 Nb6 d4 d6 Nf3 Bg4 Be2 dxe5 Nxe5"),
("B02", "Alekhine Defence, John Tracy Gambit", " e4 Nf6 Nf3"),
("B02", "Alekhine Defence, Spielmann Gambit", " e4 Nf6 Nc3 d5 e5 Nfd7 e6"),
("A00", "Amar Opening, Paris Gambit", " Nh3 d5 g3 e5 f4 Bxh3 Bxh3 exf4"),
("A00", "Amar Opening, Grant Gambit", " Nh3 d5 g3 e5 f4 Bxh3 Bxh3 exf4 0-0 fxg3 hxg3"),
("A00", "Benko Opening, Dada Gambit", "g3 e5 Bg2 d5 b4"),
("A03", "Bird Opening, Sturm Gambit", "f4 d5 c4"),
("A02", "Bird Opening, Swiss Gambit", "f4 f5 e4 fxe4 Nc3 Nf6 g4"),
("A03", "Bird Opening, Williams Gambit", "f4 d5 e4"),
("C23", "Bishop's Opening, Calabrian Countergambit", "e4 e5 Bc4 f5"),
("C23", "Bishop's Opening, Four Pawns Gambit", "e4 e5 Bc4 Bc5 b4 Bxb4 f4 exf4 Nf3 Be7 d4 Bh4+ g3 fxg3 O-O gxh2+ Kh1"),
("C24", "Bishop's Opening, Greco Gambit", "e4 e5 Bc4 Nf6 f4 Nxe4"),
("C23", "Bishop's Opening, Jerome Gambit", "e4 e5 Bc4 Bc5 Bxf7+ Kxf7"),
("C23", "Bishop's Opening, Lewis Countergambit", "e4 e5 Bc4 Bc5 c3 d5"),
("C23", "Bishop's Opening, Lopez Gambit", "e4 e5 Bc4 Bc5 Qe2 Nf6 d3 Nc6 c3 Ne7 f4"),
("C23", "Bishop's Opening, McDonnell Double Gambit", "e4 e5 Bc4 Bc5 b4 Bxb4 f4"),
("C23", "Bishop's Opening, Petroff Gambit", "e4 e5 Bc4 Bc5 Nf3 d6 c3 Qe7 d4"),
("C23", "Bishop's Opening, Wing Gambit", "e4 e5 Bc4 Bc5 b4"),
("D00", "Blackmar Gambit", "d4 d5 e4 dxe4 f3"),
("D00", "Blackmar-Diemer Gambit", "d4 d5 e4 dxe4 Nc3 Nf6 f3"),
("D00", "Ryder Gambit", "d4 d5 e4 dxe4 Nc3 Nf6 f3 exf3 Qxf3"),
("D00", "Hubsch Gambit", "d4 d5 Nc3 Nf6 e4 Nxe4 Nxe4 dxe4 Bc4"),
("E10", "Blumenfeld Gambit", "d4 Nf6 c4 c5 d5 e6 Nf3 b"),
("A52", "Balogh Gambit", "d4 Nf6 c4 e5 dxe5 Ng4 e4 d6"),
("B15", "Caro-Kann Defence, Alekhine Gambit", "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Bd3"),
("B15", "Caro-Kann Defence, Godley Gambit", "e4 c6 d4 d5 exd5 Nf6"),
("B15", "Caro-Kann Defence, Rasa-Studier gambit", "e4 c6 d4 d5 Nc3 dxe4 f3"),
("E00", "Catalan Opening, Catalan Queens Gambit", "d4 d5 c4 e6 Nf3 Nf6 g3"),
("C21", "Halasz Gambit", "e4 e5 d4 exd4 f4"),
("A83", "Dutch Defence, Lasker Gambit", "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 c6 f3"),
("A82", "Dutch Defence, Staunton Gambit", "d4 f5 e4"),
("A10", "English Opening, Halibut Gambit", "c4 b5"),
("A40", "Charlick Gambit", "d4 e5"),
("A40", "Englund Gambit", "d4 e5 dxe5 Nc6 Nf3 Qe7 Qd5 f6 exf6 Nxf6"),
("C51", "Evans Countergambit", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 d5"),
("C51", "Evans Gambit", "e4 e5 Nf3 Nc6 Bc4 Bc5 b4"),
("C47", "Four Knights Game, Halloween Gambit (Müller-Schultze) Gambit", "e4 e5 Nf3 Nc6 Nc3 Nf6 Nxe5"),
("C02", "French Defence, Milner-Barry Gambit", "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 Bd3 cxd4 cxd4 Bd7 Nc3 Nxd4 Nxd4 Qxd4"),
("C15", "French Defence, Winawer, Alekhine gambit, Alatortsev variation", "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Be7 Nxe4 Nf6 N2g3 O-O Be2 Nc6"),
("C00", "French Defence, Diemer-Duhm Gambit", "e4 e6 d4 d5 c4"),
("C50", "Giuoco Piano, Italian Gambit", "e4 e5 Nf3 Nc6 Bc4 Bc5 d4"),
("C50", "Giuoco Piano, Jerome Gambit", "e4 e5 Nf3 Nc6 Bc4 Bc5 Bxf7+ Kxf7"),
("C50", "Giuoco Piano, Rousseau Gambit", "e4 e5 Nf3 Nc6 Bc4 f5"),
("C39", "King's Gambit, Allgaier Gambit", "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5"),
("C35", "King's Gambit, Bertin (Three Pawns) Gambit", "e4 e5 f4 exf4 Nf3 Be7 Bc4 Bh4+ g3 fxg3 O-O gxh2+ Kh1"),
("C39", "King's Gambit, Blackburne Gambit", "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5 h6 Nxf7 Kxf7 Nc3"),
("C33", "King's Gambit, Breyer Gambit", "e4 e5 f4 exf4 Qf3"),
("C33", "King's Gambit, Bryan (Kieseritzky) Countergambit", "e4 e5 f4 exf4 Bc4 b5"),
("C33", "King's Gambit, Bryan Countergambit", "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 b5"),
("C33", "King's Gambit, Carrera (Basman) Gambit", "e4 e5 f4 exf4 Qe2"),
("C32", "King's Gambit, Charousek Gambit", "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Qe2"),
("C37", "King's Gambit, Double Muzio Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O gxf3 Qxf3 Qf6 e5 Qxe5 Bxf7+"),
("C31", "King's Gambit, Falkbeer Countergambit", "e4 e5 f4 d5"),
("C37", "King's Gambit, Ghulam Khassim Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 d4"),
("C34", "King's Gambit, Gianutio Countergambit", "e4 e5 f4 exf4 Nf3 f5"),
("C33", "King's Gambit, Keres Gambit", "e4 e5 f4 exf4 Nc3"),
("C39", "King's Gambit, Kieseritzky Gambit", "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5"),
("C33", "King's Gambit, Lopez-Gianutio Countergambit", "e4 e5 f4 exf4 Bc4 f5"),
("C37", "King's Gambit, McDonnell Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Nc3"),
("C31", "King's Gambit, Morphy Gambit", "e4 e5 f4 d5 exd5 e4 Nc3 Nf6 d3 Bb4"),
("C37", "King's Gambit, Muzio Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O"),
("C38", "King's Gambit, Philidor Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7 h4"),
("C37", "King's Gambit, Polerio Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4"),
("C37", "King's Gambit, Quaade Gambit", "e4 e5 f4 exf4 Nf3 g5 Nc3"),
("C39", "King's Gambit, Rice Gambit", "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Nf6 Bc4 d5 exd5 Bd6 O-O"),
("C37", "King's Gambit, Rosentreter Gambit", "e4 e5 f4 exf4 Nf3 g5 d4 g4"),
("C37", "King's Gambit, Salvio Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Ne5"),
("C37", "King's Gambit, Sorensen Gambit", "e4 e5 f4 exf4 Nf3 g5 d4 g4 Ne5"),
("C33", "King's Gambit, Stamma Gambit", "e4 e5 f4 exf4 h4"),
("C33", "King's Gambit, Tartakower (Lesser Bishop's) Gambit", "e4 e5 f4 exf4 Be2"),
("C30", "King's Gambit, Triple Muzio Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O gxf3 Qxf3 Qf6 e5 Qxe5 Bxf7+ Kxf7 d4 Qxd4 Be3"),
("C33", "King's Gambit, Villemson Gambit", "e4 e5 f4 exf4 d4"),
("C37", "King's Gambit, Wild Muzio Gambit", "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Bxf7+"),
("E60", "King's Indian Defense, Danube Gambit", "d4 Nf6 c4 g6 d5 b5"),
("C44", "King's Pawn Opening, Chicago Gambit", "e4 e5 Nf3 Nc6 Nxe5 Nxe5 d4"),
("C40", "Latvian Gambit (Lobster Gambit)", "e4 e5 Nf3 f5 g4"),
("C40", "Latvian Gambit, Svendenborg's Variation", "e4 e5 Nf3 f5 Nxe5 Nf6 Bc4 fxe4 Nf7 Qe7 Nxh8 d5"),
("C42", "Petrov's Defence, Boden-Kieseritzky Gambit", "e4 e5 Nf3 Nf6 Bc4 Nxe4 Nc3 Nxc3 dxc3 f6"),
("C42", "Petrov's Defence, Cochrane Gambit", "e4 e5 Nf3 Nf6 Nxe5 d6 Nxf7"),
("C43", "Petrov's Defence, Urusov Gambit", "e4 e5 Nf3 Nf6 d4 exd4 Bc4"),
("C41", "Philidor Defence, Locock Gambit", "e4 e5 Nf3 d6 d4 Nf6 Ng5 h6 Nxf7"),
("C41", "Philidor Defence, Lopez Countergambit", "e4 e5 Nf3 d6 Bc4 f5"),
("C41", "Philidor Defence, Philidor Countergambit", "e4 e5 Nf3 d6 d4 f5"),
("C44", "Ponziani Opening, Ponziani Countergambit", "e4 e5 Nf3 Nc6 c3 f5"),
("D22", "Queen's Gambit Accepted, Alekhine Defense", "d4 d5 c4 dxc4 Nf3 a6 e3"),
("D06", "Queen's Gambit", "d4 d5 c4"),
("A06", "Reti Opening, Tennison (Lemberg) Gambit", "Nf3 d5 e4"),
("C84", "Ruy Lopez, Basque Gambit", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5 Ne4 c3"),
("C80", "Ruy Lopez, Harksen Gambit", "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 c4"),
("C80", "Ruy Lopez, Karpov Gambit", " e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2 Nc5 c3 d4 Ng5"),
("B01", "Scandinavian Defense, Kotrc-Mieses Gambit", "e4 d5 exd5 Qxd5 Nc3 Qa5 b4"),
("C44", "Scotch Game, Relfsson Gambit", "e4 e5 Nf3 Nc6 d4 exd4 Bb5"),
("D44", "Semi-Slav Defense, Anti-Meran Gambit", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5"),
("D44", "Semi-Slav Defense, Anti-Moscow Gambit", "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4 g5 Bg3 dxc4 e4"),
("B21", "Sicilian Defence, Andreaschek Gambit", "e4 c5 d4 cxd4 Nf3 e5 c3"),
("B44", "Sicilian Defence, Kasparov Gambit", " e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 d5"),
("B32", "Sicilian Defence, Morra Gambit", "e4 c5 Nf3 Nc6 d4 cxd4 c3"),
("B30", "Sicilian Defence, Portsmouth Gambit", "e4 c5 Nf3 Nc6 b4"),
("B45", "Sicilian Defence, Sicilian Gambit", "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 Bb4 O-O"),
("B73", "Sicilian Defence, Zollner Gambit", "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 Be3 Nc6 O-O O-O f4 Qb6 e5"),
("D32", "Tarrasch Defense, Marshall Gambit", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 e4"),
("D32", "Tarrasch Defense, Tarrasch Gambit", "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 dxc5 d4 Na4 b5"),
("A46", "Torre Attack, Wagner Gambit", "d4 Nf6 Nf3 e6 Bg5 c5 e4"),
("C55", "Two Knights Defense, Boden-Kieseritzky Gambit", "e4 e5 Nf3 Nc6 Bc4 Nf6 Nc3 Nxe4 O-O"),
("C57", "Two Knights Defense, Fegatello/Fried Liver Attack", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Nxd5 Nxf7 Kxf7"),
("C58", "Two Knights Defense, Two Knights' Gambit", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5"),
("C57", "Two Knights Defense, Wilkes-Barre/Traxler Variation", "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5"),
("C27", "Vienna Game, Adams Gambit", "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Nc6 d4"),
("C25", "Vienna Game, Fyfe Gambit", "e4 e5 Nc3 Nc6 d4"),
("C25", "Vienna Game, Hamppe-Allgaier Gambit", "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 h4 g4 Ng5"),
("C25", "Vienna Game, Hamppe-Muzio Gambit", "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 Bc4 g4 O-O"),
("C25", "Vienna Game, Pierce Gambit", "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 d4 g4 Bc4"),
("C25", "Vienna Game, Steinitz Gambit", "e4 e5 Nc3 Nc6 f4 exf4 d4"),
("A00", "Ware Opening, Ware Gambit", "a4 e5 a5 d5 e3 f5 a6")