CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/0oonORRg"] [Date "2025.03.30"] [White "Sasha"] [Black "Maxim"] [Result "0-1"] [UTCDate "2025.03.30"] [UTCTime "17:03:03"] [WhiteElo "1556"] [BlackElo "1603"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+5"] [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. e3 d5 5. c3 Nc6 6. Bb5 Bd7 7. Nbd2 Qb6 8. Bxc6 Bxc6 9. Qb3 Qxb3?! { (-0.92 → -0.28) Inaccuracy. Qa6 was best. } (9... Qa6 10. a4) 10. Nxb3 c4?! { (-0.67 → 0.00) Inaccuracy. b6 was best. } (10... b6) 11. Nc5?? { (0.00 → -2.55) Blunder. Na5 was best. } (11. Na5 Rc8 12. h4 Be7 13. h5 Bd8 14. Nxc6 Rxc6 15. h6 g6 16. Bg5 Ra6 17. Bxf6 Bxf6) 11... Bxc5 12. dxc5 Nd7?? { (-2.55 → -0.16) Blunder. Ne4 was best. } (12... Ne4) 13. Bd6 O-O-O?? { (-0.12 → 2.67) Blunder. Nf6 was best. } (13... Nf6 14. Nd2) 14. Ne5?? { (2.67 → -0.44) Blunder. Ng5 was best. } (14. Ng5 Rdf8) 14... Nxe5 15. Bxe5 f6 16. Bd6 h5 17. O-O-O h4 18. b3 cxb3 19. axb3 h3 20. gxh3 d4?! { (-0.15 → 0.62) Inaccuracy. Rxh3 was best. } (20... Rxh3 21. Rhg1) 21. cxd4?? { (0.62 → -1.42) Blunder. Rhg1 was best. } (21. Rhg1 dxe3 22. Rxg7 Rd7 23. Rg6 exf2 24. Rxf6 Rxh3 25. Bg3 Rxd1+ 26. Kxd1 Rh5 27. b4 a5) 21... Bxh1 22. Rxh1 Rxh3 23. Kd2 b6? { (-1.47 → -0.08) Mistake. Kd7 was best. } (23... Kd7) 24. Ke2? { (-0.08 → -1.16) Mistake. b4 was best. } (24. b4) 24... bxc5 25. Bxc5 Kb7 26. b4 Rdh8?! { (-1.71 → -0.74) Inaccuracy. Ra8 was best. } (26... Ra8 27. Kd3) 27. Kf1?? { (-0.74 → -5.70) Blunder. b5 was best. } (27. b5 Ra8 28. Rg1 g5 29. f4 Rxh2+ 30. Kd3 Rh5 31. fxg5 Rxg5 32. Rh1 Rg7 33. Rh6 Rf7) 27... Rxh2 28. Rg1 g5? { (-5.60 → -3.51) Mistake. Rh1 was best. } (28... Rh1 29. Rxh1 Rxh1+ 30. Kg2 Rc1 31. f3 a6 32. e4 Rd1 33. Kf2 Kc6 34. Bf8 g6 35. Bc5) 29. Ke2?! { (-3.51 → -4.46) Inaccuracy. Ke2 was best. } (29. Ke2) 29... R2h6? { (-4.46 → -2.57) Mistake. Rh1 was best. } (29... Rh1 30. Rg3 R8h3 31. Rg4 Rh4 32. Rg3 Ra1 33. Kd3 a6 34. Kc4 Rf1 35. f4 g4 36. Be7) 30. Be7? { (-2.57 → -4.58) Mistake. Ra1 was best. } (30. Ra1 a6) 30... Kb6?? { (-4.58 → -1.96) Blunder. R8h7 was best. } (30... R8h7 31. Bc5) 31. Kd3? { (-1.96 → -3.30) Mistake. Ra1 was best. } (31. Ra1 a6 32. Ra5 Re8 33. Bc5+ Kb7 34. b5 Ra8 35. d5 exd5 36. Bd4 axb5 37. Rxb5+ Kc6) 31... a5?? { (-3.30 → -0.83) Blunder. Rh1 was best. } (31... Rh1 32. Rxh1) 32. bxa5+ Kxa5 33. Kc4 Rg8? { (-1.03 → 0.00) Mistake. Kb6 was best. } (33... Kb6 34. d5 Rc8+ 35. Kd4 exd5 36. Kxd5 Rc2 37. Rb1+ Kc7 38. f4 Rd2+ 39. Ke6 g4 40. Rc1+) 34. f4?! { (0.00 → -0.97) Inaccuracy. Kc5 was best. } (34. Kc5 Ka4 35. Kc4 Ka5 36. Bc5 Ka6 37. Rb1 f5 38. Rb6+ Ka5 39. Rb7 Ra8 40. Rb3 Ka6) 34... Rc8+?! { (-0.97 → 0.00) Inaccuracy. g4 was best. } (34... g4 35. Kc5 Rc8+ 36. Kd6 f5 37. e4 fxe4 38. Rxg4 Kb5 39. Rg1 Rc3 40. Bg5 Rh2 41. Kxe6) 35. Kd3?? { (0.00 → -1.64) Blunder. Bc5 was best. } (35. Bc5 Ka6 36. fxg5 fxg5 37. Rxg5 Kb7 38. Rg1 Kc6 39. Ra1 Kd7 40. Rg1) 35... gxf4 36. exf4 f5 37. Ra1+? { (-1.80 → -3.24) Mistake. d5 was best. } (37. d5 exd5) 37... Kb6? { (-3.24 → -1.86) Mistake. Kb5 was best. } (37... Kb5) 38. Bc5+ Kc6 39. Rc1?? { (-1.78 → -6.59) Blunder. Kc4 was best. } (39. Kc4 Rh4) 39... Kd7?? { (-6.59 → -2.46) Blunder. Kd5 was best. } (39... Kd5) 40. Rc4?? { (-2.46 → -6.96) Blunder. Ra1 was best. } (40. Ra1) 40... Rh3+ 41. Kc2 Rf3 42. Rc3 Rxf4 43. Kd3?! { (-5.90 → -55.94) Inaccuracy. Kb3 was best. } (43. Kb3) 43... Rf3+ 44. Kc4 Rxc3+ 45. Kxc3 e5 46. Kd3 Rxc5 47. dxc5 Kc6 48. Kc4 f4 49. Kd3 Kxc5 50. Ke4 f3 51. Kxf3 Kd4 52. Ke2 e4?? { (-56.48 → 0.00) Blunder. Ke4 was best. } (52... Ke4 53. Kd2 Kf3 54. Kc3 e4 55. Kc4 Kf2 56. Kd5 e3 57. Ke6 e2 58. Kd6 Kg2 59. Kc7) 53. Ke1?? { (0.00 → Mate in 13) Checkmate is now unavoidable. Kd2 was best. } (53. Kd2 e3+ 54. Ke2 Ke4 55. Ke1 Kf3 56. Kf1 Kg4 57. Ke2 Kf4 58. Ke1 Ke4 59. Ke2 Kd4) 53... Ke3?! { (Mate in 13 → -54.82) Lost forced checkmate sequence. Kd3 was best. } (53... Kd3 54. Kf2 e3+ 55. Kg3 e2 56. Kf2 Kd2 57. Kg3 e1=Q+ 58. Kg4 Qe7 59. Kf3 Kd3 60. Kf2) 54. Kd1 Kf2 55. Kd2 e3+ 56. Kd1 e2+?! { (Mate in 8 → -56.70) Lost forced checkmate sequence. e2+ was best. } (56... e2+ 57. Kc2 e1=Q 58. Kb3 Qe4 59. Kc3 Ke3 60. Kb2 Qb4+ 61. Ka1 Kd3 62. Ka2 Kc2 63. Ka1) 57. Kd2?! { (-56.70 → Mate in 6) Checkmate is now unavoidable. Kc2 was best. } (57. Kc2 e1=Q 58. Kb2 Qe3 59. Kc2 Qa3 60. Kb1 Qa8 61. Kc2 Qa1 62. Kb3 Qd4 63. Kc2 Qb4) 57... e1=Q+ 58. Kd3 Qe2+ 59. Kd4 Qe3+ 60. Kd5 Qf4 61. Ke6 Qg5 62. Kf7 Qh6 63. Ke7 Qg6 64. Kd7 Qf6 65. Ke8 Qg7 66. Kd8 Qf7 67. Kc8 Qe7 68. Kb8 Ke3 69. Kc8 Kd4 70. Kb8 Kc5 71. Ka8 Kc6 72. Kb8 Qb7# { Black wins by checkmate. } 0-1