CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/vlEUYxM5"] [Date "2026.07.27"] [White "Sadie"] [Black "ChessMasterPlayer"] [Result "0-1"] [UTCDate "2026.07.27"] [UTCTime "23:15:12"] [WhiteElo "1375"] [BlackElo "1435"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+8"] [WhiteTitle "🫪"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B23"] [Opening "Sicilian Defense: Closed, Traditional"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nc3 Nc6 { B23 Sicilian Defense: Closed, Traditional } 3. Nf3 Nf6 4. d3? { (0.44 → -0.63) Mistake. Bb5 was best. } (4. Bb5 Qc7 5. O-O Nd4 6. Re1 a6 7. e5 Nxb5 8. exf6 Nxc3 9. fxg7 Bxg7 10. dxc3 d6) 4... g6?! { (-0.63 → -0.04) Inaccuracy. d5 was best. } (4... d5) 5. Bg5?! { (-0.04 → -0.74) Inaccuracy. Nd5 was best. } (5. Nd5 Nxd5 6. exd5 Nd4 7. c3 Nxf3+ 8. Qxf3 d6 9. Be2 Bg7 10. a4 O-O 11. O-O b6) 5... Bg7 6. Bxf6?! { (-0.73 → -1.38) Inaccuracy. Qd2 was best. } (6. Qd2 h6 7. Be3 d6 8. h3 e5 9. g4 Nd4 10. Bg2 b5 11. a3 Bb7 12. Nh2 b4) 6... Bxf6 7. Nd5?? { (-1.48 → -3.89) Blunder. a4 was best. } (7. a4 Rb8 8. h4 h5 9. g3 a6 10. Bg2 b5 11. axb5 axb5 12. Qc1 O-O 13. Nd5 Bg7) 7... Bg7? { (-3.89 → -1.96) Mistake. Bxb2 was best. } (7... Bxb2 8. Rb1 Bg7 9. Qd2 e6 10. Ne3 Rb8 11. a4 Qa5 12. Qxa5 Nxa5 13. h4 h5 14. Ng5) 8. c3 O-O 9. d4?? { (-1.77 → -4.12) Blunder. Ne3 was best. } (9. Ne3 e6) 9... cxd4?! { (-4.12 → -3.09) Inaccuracy. e6 was best. } (9... e6) 10. cxd4 e6 11. Nf4?! { (-3.14 → -4.83) Inaccuracy. Nc3 was best. } (11. Nc3 Qb6 12. Qd2 Nxd4 13. Nxd4 Qxd4 14. Qxd4 Bxd4 15. Rd1 Be5 16. Bb5 Rd8 17. O-O a6) 11... d5 12. exd5 exd5 13. Bb5?? { (-3.55 → -10.14) Blunder. Be2 was best. } (13. Be2 Qd6 14. Nd3 Nxd4 15. Nxd4 Bxd4 16. O-O Bf5 17. Qa4 Bb6 18. Qf4 Rfd8 19. Rac1 Qxf4) 13... Qb6?? { (-10.14 → -2.91) Blunder. Qa5+ was best. } (13... Qa5+ 14. Kf1) 14. Bxc6 bxc6 15. Qb3?? { (-2.80 → -5.75) Blunder. O-O was best. } (15. O-O Bg4) 15... Qxb3?! { (-5.75 → -4.19) Inaccuracy. Re8+ was best. } (15... Re8+ 16. Kd2) 16. axb3 Re8+ 17. Ne5? { (-4.22 → -7.94) Mistake. Kd1 was best. } (17. Kd1 Bg4) 17... Bxe5?? { (-7.94 → -1.89) Blunder. f6 was best. } (17... f6) 18. dxe5 Rxe5+ 19. Ne2?? { (-1.82 → -7.00) Blunder. Kd2 was best. } (19. Kd2 Bf5 20. f3 h5 21. b4 Rb8 22. Ra4 d4 23. Rc1 Re3 24. Rc4 Rb3 25. Rxd4 Rxb2+) 19... a6?? { (-7.00 → -2.77) Blunder. Bg4 was best. } (19... Bg4 20. f3 Bxf3 21. gxf3 Rae8 22. Kf2 Rxe2+ 23. Kg3 Rxb2 24. Rhc1 Ree2 25. Ra3 Rxh2 26. Rxc6) 20. O-O-O?? { (-2.77 → -8.38) Blunder. Kd2 was best. } (20. Kd2 Rb8) 20... Rxe2 21. Rhf1 a5 22. g3 a4 23. b4 a3 24. bxa3 Rxa3 25. b5?! { (-10.08 → Mate in 1) Checkmate is now unavoidable. Rd2 was best. } (25. Rd2) 25... Ra1# { Black wins by checkmate. } 0-1