CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/VbMbTSoL"] [Date "2026.08.24"] [White "Matias"] [Black "ChessMasterPlayer"] [Result "1/2-1/2"] [UTCDate "2026.08.24"] [UTCTime "23:44:01"] [WhiteElo "1190"] [BlackElo "1474"] [WhiteRatingDiff "+68"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B21"] [Opening "Sicilian Defense: McDonnell Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. f4 { B21 Sicilian Defense: McDonnell Attack } Nc6 3. a4 Nf6 4. e5?! { (-0.15 → -0.82) Inaccuracy. Nc3 was best. } (4. Nc3 d5 5. e5 Ng8 6. Bb5 e6 7. Bxc6+ bxc6 8. b3 Ne7 9. Nf3 Ba6 10. Ba3 Nf5) 4... Nd5 5. c4?? { (-0.92 → -3.43) Blunder. Nf3 was best. } (5. Nf3 Nxf4 6. d4 Ng6 7. dxc5 e6 8. Be3 Be7 9. Nc3 b6 10. Bb5 Qc7 11. cxb6 axb6) 5... Nxf4?! { (-3.43 → -2.56) Inaccuracy. Ndb4 was best. } (5... Ndb4) 6. Qf3?? { (-2.56 → -6.05) Blunder. d4 was best. } (6. d4 Ng6) 6... Ng6 7. Bd3 d6 8. a5 Nxa5?! { (-8.92 → -5.21) Inaccuracy. Ngxe5 was best. } (8... Ngxe5 9. Qg3 Nxd3+ 10. Qxd3 Nb4 11. Qb3 Bf5 12. Nf3 Nc2+ 13. Kd1 Nxa1 14. Qa4+ Qd7 15. Qxa1) 9. Nh3?! { (-5.21 → -9.18) Inaccuracy. exd6 was best. } (9. exd6 exd6 10. Bc2 Nc6 11. Ne2 Qh4+ 12. Qg3 Qxg3+ 13. hxg3 Be6 14. Nbc3 Be7 15. Nd5 Bxd5) 9... Nb3?? { (-9.18 → 0.63) Blunder. Nxe5 was best. } (9... Nxe5) 10. Ra3?? { (0.63 → -8.84) Blunder. Bxg6 was best. } (10. Bxg6 hxg6 11. Qxb3 Bxh3 12. gxh3 Qd7 13. exd6 Rxh3 14. Qb5 e6 15. Ra3 Qxb5 16. cxb5 Rh5) 10... Nxc1? { (-8.84 → -4.75) Mistake. Nxe5 was best. } (10... Nxe5 11. Qe4 Nxc1 12. Bc2 f5 13. Ba4+ Bd7 14. Bxd7+ Qxd7 15. Qc2 g6 16. Qxc1 Bh6 17. O-O) 11. Be4? { (-4.75 → -8.96) Mistake. Bxg6 was best. } (11. Bxg6 hxg6 12. O-O Ne2+ 13. Qxe2 Bxh3 14. gxh3 dxe5 15. Qf3 f6 16. Qxb7 Rb8 17. Qc6+ Kf7) 11... Bxh3 12. gxh3 Nxe5 13. Qf2 Nxc4 14. O-O Nxa3 15. Nxa3 Nb3? { (-7.54 → -3.70) Mistake. f6 was best. } (15... f6) 16. Bxb7?! { (-3.70 → -5.55) Inaccuracy. Qxf7+ was best. } (16. Qxf7+ Kd7) 16... Rb8?? { (-5.55 → 3.60) Blunder. Kd7 was best. } (16... Kd7 17. Qg2 Rc8 18. Nb5 c4 19. Qg4+ Ke8 20. Bxc8 Qb6+ 21. Rf2 Qxb5 22. Qf3 f6 23. Be6) 17. Bc6+ Qd7 18. Qxf7+?! { (4.31 → 2.89) Inaccuracy. Qxf7+ was best. } (18. Qxf7+) 18... Kd8?! { (2.89 → 3.72) Inaccuracy. Kd8 was best. } (18... Kd8 19. Bxd7 Kxd7 20. Qf5+ Kd8 21. Qd5 a5 22. Nc4 g6 23. h4 Nd4 24. Nxd6 exd6 25. Rxf8+) 19. Bxd7 Kxd7 20. Nb5?? { (3.98 → -4.14) Blunder. Nc4 was best. } (20. Nc4) 20... Rxb5 21. Ra1?! { (-4.68 → -6.93) Inaccuracy. Qc4 was best. } (21. Qc4 Nd4) 21... Nxa1 22. Qc4 Rxb2 23. Qb5+?! { (-6.16 → -69.81) Inaccuracy. Qa4+ was best. } (23. Qa4+ Kc8 24. Qxa1 Rb7 25. Qa6 g6 26. Qc6+ Kb8 27. Qe8+ Kc7 28. Qf7 Rb1+ 29. Kg2 Rb2) 23... Rxb5 24. Kg2 g5 25. Kg3 Rg8 26. h4 gxh4+ 27. Kxh4 Rb4+ 28. Kh5 Nc2 29. h4 Nd4 30. d3 Ne6 31. d4 Rxd4 { Draw by stalemate. } 1/2-1/2