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Puzzles (3 cohencoins award for each match):

Puzzle izyS9: 525

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/kKqxDjmd"] [Date "2026.01.28"] [White "Wesley"] [Black "snakeywaters"] [Result "0-1"] [UTCDate "2026.01.28"] [UTCTime "21:11:15"] [WhiteElo "1502"] [BlackElo "1826"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+4"] [WhiteTitle "GM⚜"] [BlackTitle "㎝"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A08"] [Opening "King's Indian Attack: Sicilian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. Nf3 c5 2. g3 d5 3. Bg2 { A08 King's Indian Attack: Sicilian Variation } Nf6 4. O-O e6 5. d3 b6 6. Bg5 Nbd7?! { (0.00 → 0.70) Inaccuracy. Be7 was best. } (6... Be7 7. c4 Bb7 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. d4 O-O 11. dxc5 Qxc5 12. Nbd2 Qe7 13. Rc1) 7. Nc3?! { (0.70 → 0.05) Inaccuracy. e4 was best. } (7. e4 Bb7 8. e5 h6 9. Bc1 Nh7 10. c3 Be7 11. a4 O-O 12. d4 a6 13. Be3 b5) 7... Bb7 8. a3 Be7 9. b4? { (-0.42 → -1.71) Mistake. e4 was best. } (9. e4 d4) 9... O-O 10. bxc5 Nxc5 11. Nb5 a6 12. Nbd4 h6?! { (-1.23 → -0.47) Inaccuracy. Re8 was best. } (12... Re8 13. a4 Ncd7 14. Bc1 Qc7 15. Bb2 Rac8 16. c3 h6 17. Qb1 Bf8 18. Nc2 e5 19. Ne3) 13. Bxf6?? { (-0.47 → -2.21) Blunder. Bd2 was best. } (13. Bd2) 13... Bxf6 14. c3 e5 15. Nb3 Rc8? { (-1.86 → -0.78) Mistake. Na4 was best. } (15... Na4 16. Na5) 16. Nxc5 bxc5 17. Qb3?! { (-0.07 → -0.82) Inaccuracy. Rb1 was best. } (17. Rb1) 17... Qd7?! { (-0.82 → -0.29) Inaccuracy. Bc6 was best. } (17... Bc6 18. Nd2) 18. c4?? { (-0.29 → -4.90) Blunder. Rab1 was best. } (18. Rab1 Bc6) 18... dxc4?? { (-4.90 → -1.25) Blunder. e4 was best. } (18... e4) 19. Qxc4?? { (-1.25 → -3.75) Blunder. dxc4 was best. } (19. dxc4 Bc6) 19... e4 20. dxe4 Bxa1 21. Rxa1 Rfe8 22. Ne5? { (-3.76 → -8.00) Mistake. e5 was best. } (22. e5) 22... Rxe5 23. a4 Qd4 24. Qb3 Qxa1+ 25. Bf1 Bxe4 26. h4 Rd8 27. f3 Rd1 28. Qb8+?! { (-14.92 → Mate in 7) Checkmate is now unavoidable. Kg2 was best. } (28. Kg2 Bd5) 28... Kh7?! { (Mate in 7 → -18.34) Lost forced checkmate sequence. Kh7 was best. } (28... Kh7 29. Qxe5 Qxe5 30. Kh2 Bxf3 31. exf3 Rxf1 32. Kg2 Qe2+ 33. Kh3 Qxf3 34. a5 Rh1#) 29. Qxe5?! { (-18.34 → Mate in 6) Checkmate is now unavoidable. Kg2 was best. } (29. Kg2 Bc2) 29... Qxe5 30. fxe4 Qxg3+ 31. Kh1 Rxf1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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