CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/hz2lZwFC"] [Date "2025.11.29"] [White "Sasha"] [Black "Maxim"] [Result "0-1"] [UTCDate "2025.11.29"] [UTCTime "18:29:17"] [WhiteElo "1508"] [BlackElo "1710"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+2"] [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 Bd6 7. Bxd6 Qxd6 8. Nbd2 O-O 9. Be2 b6 10. O-O Bb7 11. Bd3 Re8 12. Re1 Nbd7 13. e4? { (0.45 → -0.62) Mistake. Qa4 was best. } (13. Qa4 Bc6 14. Qb3 a5 15. a4 Rec8 16. Rec1 Rc7 17. Rc2 Bb7 18. Nb1 Rxc2 19. Qxc2 Rc8) 13... dxe4 14. Bxe4 Nxe4 15. Nxe4 Bxe4?! { (-1.25 → -0.63) Inaccuracy. Qe7 was best. } (15... Qe7 16. Qd2 Nf8 17. Qe3 h6 18. Rad1 Ng6 19. Nc3 Rad8 20. d5 Qf6 21. a3 exd5 22. Qd4) 16. Rxe4 Nf6 17. Re1 Qd5 18. Ne5 Rac8 19. Rc1?! { (-1.05 → -1.75) Inaccuracy. Qa4 was best. } (19. Qa4 Re7) 19... h6?! { (-1.75 → -0.77) Inaccuracy. Rxc1 was best. } (19... Rxc1 20. Qxc1) 20. Rxc8 Rxc8 21. Qd2?? { (-1.16 → -3.25) Blunder. a3 was best. } (21. a3 Qb5 22. Qd2 Qa4 23. g3 Qc2 24. Re2 Qc1+ 25. Qxc1 Rxc1+ 26. Kg2 g5 27. Kf3 Nd5) 21... Ne4?? { (-3.25 → -1.26) Blunder. Qxa2 was best. } (21... Qxa2 22. Rc1) 22. Qd3 Rd8?? { (-1.45 → 6.85) Blunder. Nd6 was best. } (22... Nd6) 23. f3?? { (6.85 → -2.55) Blunder. Qxe4 was best. } (23. Qxe4 Qxd4 24. Qxd4 Rxd4 25. Rb1 g5 26. Kf1 Ra4 27. a3 Rd4 28. Rc1 Rd5 29. Nf3 Rd3) 23... Nf6? { (-2.55 → -1.31) Mistake. Nd6 was best. } (23... Nd6 24. Rc1) 24. Kf2?? { (-1.31 → -3.78) Blunder. a3 was best. } (24. a3 Qxd4+ 25. Qxd4 Rxd4 26. Rc1 Nd5 27. Rc8+ Kh7 28. Nxf7 Rd1+ 29. Kf2 Rd2+ 30. Kg1 Nf4) 24... Qxd4+?! { (-3.78 → -2.52) Inaccuracy. Qxa2 was best. } (24... Qxa2 25. Qc3 Nd5 26. Qc2 Qa6 27. Rc1 Qb5 28. Qd2 Qe8 29. h4 Rc8 30. Rxc8 Qxc8 31. g4) 25. Qxd4 Rxd4 26. Re2 Kh7?? { (-2.82 → 0.31) Blunder. Rd5 was best. } (26... Rd5) 27. Nc6?? { (0.31 → -2.06) Blunder. Nxf7 was best. } (27. Nxf7 Nd5 28. Ne5 Nf4 29. Re4 Rd5 30. Rxf4 Rxe5 31. b4 Kg6 32. Rd4 a5 33. a4 Kf6) 27... Ra4? { (-2.06 → -0.95) Mistake. Rd7 was best. } (27... Rd7 28. b4 Rc7 29. Rc2 a6 30. a4 g5 31. Rc4 Kg7 32. Ne5 Rxc4 33. Nxc4 Nd5 34. b5) 28. a3?! { (-0.95 → -1.90) Inaccuracy. b3 was best. } (28. b3) 28... Nd5?! { (-1.90 → -0.84) Inaccuracy. g5 was best. } (28... g5 29. g3) 29. Ne5?! { (-0.84 → -1.75) Inaccuracy. Re4 was best. } (29. Re4 Ra6 30. a4 g5 31. h4 Kg7 32. hxg5 hxg5 33. Rc4 Nf4 34. b3 Kf6 35. g3 Nd3+) 29... f6 30. Nd3?? { (-1.32 → -3.45) Blunder. Nc6 was best. } (30. Nc6 Nc7 31. Rd2 Nb5 32. Rd7 Rc4 33. Nxa7 Nd4 34. Rd6 Rc2+ 35. Kf1 e5 36. Rxb6 Rc7) 30... Rd4 31. Nc1 Rh4?? { (-3.79 → -0.18) Blunder. Rd1 was best. } (31... Rd1) 32. h3?? { (-0.18 → -3.30) Blunder. Rxe6 was best. } (32. Rxe6 Rxh2) 32... Rh5?? { (-3.30 → -0.08) Blunder. Rc4 was best. } (32... Rc4 33. Nb3 Nf4 34. Rd2 e5 35. h4 Kg6 36. g3 Ne6 37. Ke3 Rc7 38. Rd6 Kf7 39. f4) 33. Nd3 Rg5? { (-0.40 → 1.00) Mistake. e5 was best. } (33... e5 34. Rd2 Nc7 35. Rc2 Ne6 36. Rc6 Nf4 37. Nxf4 exf4 38. b4 Rd5 39. Rc7 a5 40. bxa5) 34. h4? { (1.00 → -0.51) Mistake. Rxe6 was best. } (34. Rxe6 Kg8) 34... Rf5?? { (-0.51 → 5.68) Blunder. Rh5 was best. } (34... Rh5 35. g3 Nc7 36. Rc2 Nb5 37. Nf4 Nd4 38. Rd2 Rc5 39. Rxd4 e5 40. Rb4 exf4 41. gxf4) 35. g4 Nf4 36. gxf5 Nxd3+ 37. Ke3 Nc5 38. Kf4?! { (7.55 → 5.06) Inaccuracy. b4 was best. } (38. b4 Na6) 38... exf5 39. Kxf5 Nb3 40. Kf4 a5 41. h5 a4 42. Re4 Nc5 43. Rb4?? { (6.23 → 0.00) Blunder. Re2 was best. } (43. Re2) 43... Nd3+ 44. Ke3?? { (0.00 → -7.52) Blunder. Kf5 was best. } (44. Kf5 Nxb4 45. axb4 b5 46. f4 g5 47. hxg6+ Kg7 48. Kg4 Kxg6 49. f5+ Kf7 50. Kh5 Kg7) 44... Nxb4 45. axb4 g6 46. hxg6+ Kxg6 47. f4 Kh5 48. Kf3 f5 49. Kg3 b5 50. Kh3 Kg6 51. Kh4 Kf6 52. Kh5 Ke6?? { (-7.76 → -0.63) Blunder. Kg7 was best. } (52... Kg7 53. Kh4 Kg6 54. Kg3 Kf6 55. Kh4 Ke6 56. Kh5 Kd5 57. Kxh6 Kc4 58. Kg5 Kb3 59. Kxf5) 53. Kxh6 Kd5 54. Kg5?? { (-0.59 → -54.13) Blunder. Kg6 was best. } (54. Kg6 Ke4 55. Kg5 Kd3 56. Kxf5 Kc2 57. Ke6 Kxb2 58. f5 a3 59. f6 a2 60. f7 a1=Q) 54... Ke4 55. Kh4 Kxf4 56. Kh3 Kf3 57. Kh2 Kf2 58. Kh3 f4 59. Kh2 f3 60. Kh3 Kg1 61. Kg3 f2 62. Kf3 f1=Q+ 63. Ke3 Kg2 64. Kd4 Kf3 65. Kc5 Ke4 66. Kb6 Kd5 67. Ka5 Kc6 68. Ka6 Qf7 69. Ka5 Qa7# { Black wins by checkmate. } 0-1