Subtle Proof Of Fischer's Greatness

[Event "La Habana ol (Men) prel"]
[Site "La Habana"]
[Date "1966.??.??"]
[Round "3"]
[White "Fischer, Robert"]
[Black "Durao, Joaquim"]
[TimeControl "-"]
[Result "1-0"]
[ECO " "]

1.e4 e6 2.d3 c5 3.Nf3 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O Nge7 7.c3 O-O 8.d4 d6 9.dxc5 dxc5 10.Qe2 b6 11.e5 a5 12.Re1 Ba6 13.Qe4 Ra7 14.Nbd2 Bd3 15.Qh4 Nd5 16.Qxd8 Rxd8 17.a4 Rad7 18.Bf1 Bxf1 19.Kxf1 Nde7 20.Nc4 Nc8 21.Bg5 N6e7 22.Nfd2 h6 23.Bxe7 Rxe7 24.Ra3 Rc7 25.Rb3 Rc6 26.Ne4 Bf8 27.Ke2 Be7 28.f4 Kf8 29.g4 Ke8 30.Rf1 Rd5 31.Rf3 Rd8 32.Rh3 Bf8 33.Nxa5 Rc7 34.Nc4 Ra7 35.Nxb6 Nxb6 36.Rxb6 Rda8 37.Nf6+ Kd8 38.Rc6 Rc7 39.Rd3+ Kc8 40.Rxc7+ Kxc7 41.Rd7+ Kc6 42.Rxf7 c4 43.Nd7 Bc5 44.Nxc5 Kxc5 45.Rc7+ Kd5 46.b4 1-0