[Event "S19 Sufi 7-piece positions"]
[Site "TCEC discord"]
[Date "2021.01.05"]
[Round "2.1"]
[White "windfishballad"]
[Black "BelgradeGambit"]
[Result "1/2-1/2"]
[RMobilityResult "G1.5"]
[SetUp "1"]
[FEN "B7/8/4p3/4kpp1/1P6/4K3/8/8 b - - 0 1"]

{Starting position from game 13 in S19 Sufi}
1...Kd6 2. b5 e5 3. b6 g4 4. Bg2 Kd7 5. b7 Kc7 6. Bd5 Kb8 7. Be6 f4+ 8. Ke4 g3 9. Bh3 Kxb7 10. Bg2 Kb6
11. Kxe5 Kc5 12.Kxf4 Kd6 13.Kxg3 Ke5 14. Bf3 Kd4 15. Kf4 Kd3 16. Ke5 Kc4 17. Be4 Kb5 18. Kd5 Kb4 19. Kd4 Kb5 20. Bd5 Kb6
21. Kc4 Kc7 22. Kc5 Kd7 23. Bg8 Ke7 24. Kd5 Kf6 25. Be6 Kg5 26. Ke5 Kg6 27. Bg4 Kg7 28. Ke6 Kg6 29. Bf5+ Kg5
( 29.. Kg5 {Result G1.5 agreed} 30. Ke5 Kh5 31. Kf6 Kh4 32. Kg6 )
 1/2-1/2

[Event "S19 Sufi 7-piece positions"]
[Site "TCEC discord"]
[Date "2021.01.07"]
[Round "2.2"]
[White "BelgradeGambit"]
[Black "windfishballad"]
[Result "1/2-1/2"]
[RMobilityResult "G1.5"]
[SetUp "1"]
[FEN "B7/8/4p3/4kpp1/1P6/4K3/8/8 b - - 0 1"]

{Starting position from game 13 in S19 Sufi}
1..Kd6 2. b5 e5 3. b6 g4 4. Bd5 f4+ 5. Ke4 f3 6. b7 Kc7 7 Kxe5 {Agreed on G1.5 (see
reverse which ended with KBvK)}
1/2-1/2

[Event "S19 Sufi 7-piece positions"]
[Site "TCEC discord"]
[Date "2020.12.21"]
[Round "1.1"]
[White "BelgradeGambit"]
[Black "windfishballad"]
[Result "1/2-1/2"]
[Annotator "BelgradeGambit"]
[SetUp "1"]
[FEN "8/8/7p/2R5/r5kP/6P1/6K1/8 b - - 0 1"]
[PlyCount "20"]
[EventDate "2020.??.??"]

{Starting position from game 9 in S19 Sufi} 1... Ra2+ 2. Kg1 Kxg3 3. Rc3+ Kxh4
4. Rc4+ Kg3 5. Rc3+ Kf4 6. Rc4+ Ke3 7. Rc3+ Ke4 8. Rc4+ Kd3 9. Rh4 Ke3 10. Rh3+
Kf4 11. Rxh6 (11. Rxh6 {Result -G3.0 agreed} Ra1+ {(-G3.0)} 12. Kf2 {G19} Kg5 (
12... Ra2+ 13. Kg1 Ra1+ 14. Kf2 Ra2+ 15. Kg1 Ra1+ {(?) If black claims a
three-fold repetition prior to 15...Ra1+ due to 15...Ra1+ being possible
(following FIDE practice closely), black's checks within the last reset
segment of the game are disregarded, since black gives a check in the position
which has been repeated three times. The result of the game under modified
rules would be G19.0.} 16. Kf2 {If white claims a three-fold repetition prior
to 16. Kf2 due to 16.Kf2 being possible, black's checks within the last reset
segment of the game are disregarded, since black gives a check in the earliest
position which has been repeated three times. The result of the game under
modified rules would be G19.0.}) 13. Rb6 Ra3 (13... Ra5 14. Rb8 (14. Rb1 Kf5)
14... Rf5+ 15. Kg3) (13... Kf4) 14. Rb5+ Kf4 15. Rb4+ Kf5 16. Ke2 Ke5 17. Kd2
Kd5 18. Kc2 Kc5 19. Rh4 Rg3 {Black easily avoids any simplifications or G3.0
checks or worse. The game ends with the 50 moves rule, but should
theoretically end in a repetition with a black non-check or a white move
(check or non-check doesn't matter).}) 1/2-1/2

[Event "S19 Sufi 7-piece positions"]
[Site "TCEC discord"]
[Date "2021.01.07"]
[Round "1.2"]
[White "windfishballad"]
[Black "BelgradeGambit"]
[Result "1/2-1/2"]
[Annotator "BelgradeGambit"]
[SetUp "1"]
[FEN "8/8/7p/2R5/r5kP/6P1/6K1/8 b - - 0 1"]
[PlyCount "31"]
[EventDate "2021.??.??"]

{Starting position from game 9 in S19 Sufi} 1... Ra2+ 2. Kg1 Kxg3 3. Rc3+ Kxh4
4. Rc1 h5 5. Kh1 Rf2 6. Kg1 Kg3 7. Rc3+ Rf3 8. Rc2 Rd3 (8... h4 9. Rg2+ Kh3 10.
Rh2+ Kg4 11. Ra2 {Since black has the initiative, it seems that it will
(almost) never be the case that white can achieve a better check after a
presumed black check which is only available as an improvement under modified
rules in such a way that black forces white into a perpetual check afterwards.}
(11. Kg2 h3+ {G3.0} 12. Kg1 Kg3 13. Re2 Ra3)) 9. Rg2+ Kf3 10. Kh2 Rd4 11. Rg3+
Kf2 12. Rg2+ Ke3 13. Rg3+ Kd2 14. Rg2+ Kc3 15. Rg3+ Kc4 16. Kh3 Rd3 {Agreed on
-G2.5} (16... Rd3 17. Rxd3 Kxd3 18. Kh4 Ke4 19. Kxh5 Kf5 {-G2.5}) 1/2-1/2

[Event "S19 Sufi 7-piece positions"]
[Site "TCEC discord"]
[Date "2021.01.09"]
[Round "4.1"]
[White "BelgradeGambit"]
[Black "windfishballad"]
[Result "1/2-1/2"]
[Annotator "BelgradeGambit"]
[SetUp "1"]
[FEN "5B2/8/k7/3K3p/7r/1Rp5/8/8 w - - 0 1"]
[PlyCount "5"]
[EventDate "2021.??.??"]

{Starting position from game 39 in S19 Sufi} 1. Kc6 {G13.5} Ka5 {G22.5} (1...
Rc4+ 2. Bc5 Ka5 3. Ra3+ Ra4 4. Rxc3 h4 5. Ra3 {with G1.5.} (5. Bb6+ Kb4 (5...
Ka6 6. Bd8 h3 7. Bb6 h2 8. Rh3 Rc4+ 9. Bc5 Ka5 10. Rxh2 Re4 11. Ra2+ Ra4 12.
Rxa4+ {med G1.5.}) 6. Rh3 Ra8 7. Rxh4+ {G3.0} Kc3)) 2. Bc5 {G13.5} (2. Rxc3 Rf4
(2... Rg4 3. Ra3+ {with G1.5.} (3. Bd6 h4 4. Be7 Ra4 (4... h3 5. Ra3+ {with G1.
5.}) (4... Rd4 5. Ra3+ {with G1.5.}) (4... Rg3 5. Rxg3 {with G1.5.}) (4... Rg6+
5. Bd6 Rg4 6. Ra3+ {with G1.5.}) 5. Bc5 Re4 (5... Ka6 6. Rb3 $18) 6. Ra3+ Ra4
7. Bb6+ Kb4 8. Rh3 {with G3.0.} Kc4 9. Rxh4+ Kb3))) 2... Rc4 {G14.5} 3. Ra3+ (
3. Ra3+ {G1.0} Ra4 {G20.5} 4. Bb6+ Kb4 {G19.5} 5. Bc5+ Ka5 6. Bb6+ {This
repetition does not give white G1.0 under modified rules, but rather G13.5.})
1/2-1/2

[Event "S19 Sufi 7-piece positions"]
[Site "TCEC discord"]
[Date "2021.01.16"]
[Round "4.2"]
[White "windfishballad"]
[Black "BelgradeGambit"]
[Result "1/2-1/2"]
[Annotator "BelgradeGambit"]
[SetUp "1"]
[FEN "5B2/8/k7/3K3p/7r/1Rp5/8/8 w - - 0 1"]
[PlyCount "7"]
[EventDate "2021.??.??"]

{Starting position from game 39 in S19 Sufi} 1. Kc6 Ka5 2. Rxc3 Rg4 3. Bc5 h4 {
-G26.5} 4. Ra3+ (4. Ra3+ {G1.0} Ra4 {-G25.5} 5. Bb6+ (5. Rxa4+ Kxa4 {G1.5})
5... Kb4 {-G24.5} 6. Bc5+ Ka5 {-G25.5} 7. Bb6+ {This repetition does not give
white G1.0 under modified rules, but rather -G24.5.}) 1/2-1/2

[Event "S19 Sufi 7-piece positions"]
[Site "TCEC discord"]
[Date "2021.01.04"]
[Round "3.3"]
[White "usernametakenefkay"]
[Black "windfishballad"]
[Result "1/2-1/2"]
[Annotator "BelgradeGambit"]
[SetUp "1"]
[FEN "6k1/6b1/5q2/8/5P2/6QN/8/6K1 w - - 0 1"]
[PlyCount "13"]
[EventDate "2021.??.??"]

{Starting position from game 31 in S19 Sufi} 1. Qb3+ {G5.0} Kh8 2. Qb8+ {G4.0}
Qf8 3. Qb5 Qf7 4. Qb8+ Bf8 5. Ng5 Qf5 6. Qe8 Qg4+ 7. Kh1 (7. Kh1 {Result -G3.0
agreed} Qh4+ 8. Kg2 Qg4+ {If black repeats giving a perpetual check, the
result becomes G4.0 under modified rules. If black decides not to go for this,
white can probably still achieve at least this goal.} 9. Kh1 Qd1+ 10. Kg2 (10.
Kh2 Qd2+ 11. Kh1 Qd5+) 10... Qc2+ 11. Kh1 Qb1+ 12. Kh2 Qb2+ 13. Kh3 Qb3+ (13...
Qf6 14. Qh5+ Bh6 15. Qxh6+ {with G0.5.}) (13... Qg7 14. Qh5+ Kg8 15. Kg4 (15.
Kh4 Qe7 16. Qg6+ Bg7 17. Qh7+ Kf8 18. Qf5+) 15... Qd7+ 16. Kh4 Qf5) 14. Kh4 Qg8
15. f5 (15. Qh5+ Kg7) 15... Qg7 16. Qh5+ Kg8 17. f6 Qh6 18. Qxh6 Bxh6 19. Kh5
Bg7 (19... Bf8 20. Kg6 {with at least G2.0.}) 20. f7+ {with at least G2.0.})
1/2-1/2

[Event "S19 Sufi 7-piece positions"]
[Site "TCEC discord"]
[Date "2021.01.19"]
[Round "3.4"]
[White "windfishballad"]
[Black "usernametakenefkay"]
[Result "1/2-1/2"]
[Annotator "BelgradeGambit"]
[SetUp "1"]
[FEN "6k1/6b1/5q2/8/5P2/6QN/8/6K1 w - - 0 1"]
[PlyCount "61"]
[EventDate "2021.??.??"]

{Starting position from game 31 in S19 Sufi} 1. Qb3+ {G5.0} Kh8 2. Ng5 Qf5 3.
Qh3+ {G3.0} Qxh3 {reset, -G8.5} 4. Nxh3 {reset, G10.5} Bd4+ {-G5.0} 5. Kg2 Kg7
6. Kf3 Kg6 7. Ng5 Kf5 8. Ne4 Bb6 9. Ng3+ {G3.0} Kf6 10. Kg4 Kg6 11. f5+ {
reset, G5.0} Kh6 12. Nh5 Bd4 13. Nf4 Bf6 14. Kf3 Kg5 15. Ke4 Bc3 16. Ne6+ Kf6
17. Kf4 Be5+ {-G4.0} 18. Kg4 Bc3 19. Nc5 Bb4 20. Nd7+ {G3.0} Ke7 21. Nb6 Bc5
22. Nd5+ Kd6 23. Nf4 Ke7 24. Nh5 Kf7 25. Kg5 Be3+ 26. Nf4 Bd2 27. Kg4 Kg7 28.
Nd5 Kf7 29. Nb6 Be3 30. Nc4 Bd4 31. Kf4 {Result G3.0 agreed. Under modified
rules, white can at least fix his king to e4 or g4 and move his knight around
indefinitely. But since (repeitions arising from) black checks where white has
a mobility of at least four legal moves are of little threat to white, white
can maybe try to force black into giving repeating moves in a situation where
white has given a G2.0 or G1.0 check.} 1/2-1/2