CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/o94xg8rz"] [Date "2026.02.22"] [White "Sasha"] [Black "Maxim"] [Result "0-1"] [UTCDate "2026.02.22"] [UTCTime "18:03:52"] [WhiteElo "1510"] [BlackElo "1776"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+3"] [WhiteTitle "IM🧁"] [BlackTitle "GM🧂"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A46"] [Opening "Indian Defense: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. Nf3 e6 3. Bf4 { A46 Indian Defense: London System } c5 4. c3 cxd4 5. cxd4 d5 6. e3 Nc6 7. Bd3 Bd6 8. Bxd6 Qxd6 9. Nbd2 Bd7 10. O-O O-O-O?? { (0.07 → 1.73) Blunder. O-O was best. } (10... O-O 11. Nb3 Rfc8 12. Nc5 Rc7 13. Qb3 Rb8 14. Nxd7 Nxd7 15. Rac1 Rbc8 16. Rc3 Nb6 17. Rfc1) 11. Rc1?! { (1.73 → 1.15) Inaccuracy. Nb3 was best. } (11. Nb3) 11... h5?? { (1.15 → 3.28) Blunder. Kb8 was best. } (11... Kb8) 12. a3? { (3.28 → 1.62) Mistake. Ne5 was best. } (12. Ne5) 12... h4?! { (1.62 → 2.20) Inaccuracy. Kb8 was best. } (12... Kb8 13. b4) 13. h3?! { (2.20 → 1.38) Inaccuracy. Ne5 was best. } (13. Ne5 Rdf8 14. Bb5 Kb8 15. Bxc6 Bxc6 16. Nxc6+ bxc6 17. h3 Rc8 18. Rc3 g5 19. Qf3 e5) 13... e5?? { (1.38 → 9.07) Blunder. Kb8 was best. } (13... Kb8) 14. dxe5 Qe7 15. exf6 Qxf6 16. b4 g5 17. b5 g4 18. Nd4 gxh3 19. gxh3 Bxh3 20. Qf3 Rhg8+ 21. Kh1 Bg2+ 22. Qxg2 Rxg2 23. Nxc6?? { (8.20 → 0.00) Blunder. Kxg2 was best. } (23. Kxg2) 23... bxc6?? { (0.00 → 3.53) Blunder. Rxf2 was best. } (23... Rxf2 24. Bf5+ Rxf5 25. Nd4+ Kb8 26. Rxf5 Qe7 27. N2f3 Qxa3 28. Rg1 Rf8 29. Re1 Qb2 30. Re2) 24. Kxg2?? { (3.53 → 0.00) Blunder. Rxc6+ was best. } (24. Rxc6+) 24... Rg8+ 25. Kh1 Qe5?? { (0.00 → 6.07) Blunder. Kd8 was best. } (25... Kd8 26. bxc6 Kc7 27. Rb1 Qe6 28. Kh2 Qd6+ 29. Kh1) 26. bxc6?? { (6.07 → 0.00) Blunder. Nf3 was best. } (26. Nf3 Qh5 27. Nd4 Kb8 28. Be2 Qg6 29. Rg1 Qe4+ 30. Bf3 Rxg1+ 31. Rxg1 Qh7 32. bxc6 Kc7) 26... h3?? { (0.00 → 6.53) Blunder. Qe6 was best. } (26... Qe6 27. Kh2 Qd6+ 28. Kh1) 27. Nf3 Qh5 28. Nh2?? { (7.76 → 0.51) Blunder. Nd4 was best. } (28. Nd4) 28... Qh4?? { (0.51 → 6.72) Blunder. Kc7 was best. } (28... Kc7) 29. Nf3?? { (6.72 → -1.06) Blunder. c7 was best. } (29. c7 Qf6) 29... Qf6?? { (-1.06 → 8.62) Blunder. Qg4 was best. } (29... Qg4 30. Nh4 Qxh4 31. c7 Qf6 32. f4 Qe6 33. Rf2 h2 34. Rxh2 Kd7 35. f5 Qe5 36. Rh7) 30. Nh2?? { (8.62 → 1.81) Blunder. Nd4 was best. } (30. Nd4 Kc7) 30... Qe5?? { (1.81 → 6.71) Blunder. Kc7 was best. } (30... Kc7 31. Be2) 31. f4?? { (6.71 → 0.00) Blunder. c7 was best. } (31. c7 d4) 31... Qxe3 32. Bf5+ Kc7 33. Nf3 Qe2 34. Bxh3 Rh8 35. Ng1 Qe4+ 36. Kh2 Qe3 37. a4 d4?! { (-0.45 → 0.12) Inaccuracy. Qd2+ was best. } (37... Qd2+ 38. Kh1 Qb4 39. a5 Qa3 40. Kh2 Qa2+ 41. Kh1 Qxa5 42. Rb1 Qc3 43. Rf3 Qxc6 44. Ra1) 38. Kg2?? { (0.12 → -2.51) Blunder. Rce1 was best. } (38. Rce1 Qc3) 38... d3 39. Rc3?? { (-2.15 → -11.46) Blunder. Kh2 was best. } (39. Kh2 Rg8 40. Nf3 f5 41. Rce1 Qxf4+ 42. Kh1 Qh6 43. Kh2 Rh8 44. Ng1 Qd6+ 45. Kg2 d2) 39... Qd2+ 40. Ne2?! { (-10.12 → Mate in 6) Checkmate is now unavoidable. Kg3 was best. } (40. Kg3 Rg8+) 40... dxe2 41. Rfc1 e1=Q+ 42. Kf3 Qexc1 43. Rxc1 Qxc1 44. Bf5 Qc3+ 45. Ke4 Re8+ 46. Kd5 Qb4 47. Bd7 Qd6+ 48. Kc4 Qxc6+?! { (Mate in 4 → -56.67) Lost forced checkmate sequence. Qxf4+ was best. } (48... Qxf4+ 49. Kb3 Re3+ 50. Kc2 Qf2+ 51. Kb1 Re1#) 49. Bxc6 Kxc6 50. Kd4 f5 51. Kc4 Re4+ 52. Kd3 Rxa4 53. Ke3 Kd5 54. Kd3 Ra3+ 55. Ke2 Ke4 56. Kf2 Kxf4 57. Kg2 Kg4 58. Kf2 Kf4 59. Ke2 Rh3 60. Kd2 Ke4 61. Kc2 Kd4 62. Kd1 Ke3 63. Kc2 Kd4 64. Kb2 Kc4 65. Kc2 Rh2+ 66. Kd1 Kd3 67. Ke1 Ra2 68. Kf1 Ke3 69. Kg1 Kf3 70. Kh1 Kg3 71. Kg1 Ra1# { Black wins by checkmate. } 0-1