CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/dp614vGn"] [Date "2024.03.24"] [White "Sasha"] [Black "Jiaxuan"] [Result "0-1"] [UTCDate "2024.03.24"] [UTCTime "17:26:33"] [WhiteElo "1548"] [BlackElo "1819"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+8"] [WhiteTitle "IM🧁"] [BlackTitle "道"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 { D02 Queen's Pawn Game: London System } g6 4. Be5 Bg7 5. Bxf6 Bxf6 6. e3 c5 7. dxc5?? { (-0.83 → -4.05) Blunder. c3 was best. } (7. c3) 7... Bxb2 8. Nbd2 Bxa1 9. Qxa1 O-O 10. Be2?! { (-3.71 → -5.09) Inaccuracy. h4 was best. } (10. h4 h5 11. Bd3 Qc7 12. c4 Qxc5 13. O-O Nc6 14. Qb1 Kg7 15. Qb2+ f6 16. Qb1 Qb6) 10... b6? { (-5.09 → -3.06) Mistake. Bg4 was best. } (10... Bg4 11. h4 Nd7 12. h5 Bxh5 13. Ng5 e6 14. Nxh7 Kxh7 15. Qd4 Qf6 16. g4 Qxd4 17. exd4) 11. cxb6?! { (-3.06 → -4.17) Inaccuracy. h4 was best. } (11. h4) 11... axb6 12. O-O Bg4 13. h3 Bf5 14. c3?! { (-3.10 → -3.89) Inaccuracy. Nd4 was best. } (14. Nd4 Bc8) 14... Re8? { (-3.89 → -2.41) Mistake. Nc6 was best. } (14... Nc6) 15. Bb5?! { (-2.41 → -3.64) Inaccuracy. c4 was best. } (15. c4 Be4) 15... Nd7? { (-3.64 → -2.12) Mistake. Rf8 was best. } (15... Rf8 16. Be2 Nc6 17. Rd1 Qd6 18. c4 dxc4 19. Nxc4 Qc5 20. Nd4 Nxd4 21. exd4 Qb5 22. d5) 16. Bxd7?? { (-2.12 → -6.07) Blunder. c4 was best. } (16. c4 dxc4 17. e4 Be6 18. Nd4 Qc7 19. Nxe6 fxe6 20. Bxc4 Qe5 21. Qxe5 Nxe5 22. Bxe6+ Kg7) 16... Qxd7 17. Ne5 Qa4 18. Ndf3 Qxa2 19. Qxa2 Rxa2 20. Re1 f6 21. Nc6 Rc2 22. e4 dxe4 23. Nfd4 Rxc3 24. Nxf5 gxf5 25. Nd4 Rd3 26. Nxf5 e6 27. Ne3 Rb8 28. Nc4 b5 29. Nb2 Rd2 30. Rb1 b4 31. Nc4 Rd4 32. Ne3 b3 33. Kf1 b2 34. Ke1 Ra4 35. Nc2 f5 36. Kd2 f4 37. Kc3 Ra7 38. Rxb2 Rxb2 39. Kxb2 Rb7+ 40. Kc3 Rf7?! { (-7.66 → -5.04) Inaccuracy. Rd7 was best. } (40... Rd7) 41. Kd2?! { (-5.04 → -6.91) Inaccuracy. Kd4 was best. } (41. Kd4 e3 42. Nxe3 fxe3 43. Kxe3 h5 44. h4 Rg7 45. g3 Rg4 46. Kf3 Kh7 47. Ke3 Ra4) 41... f3 42. gxf3?! { (-5.31 → -7.12) Inaccuracy. g3 was best. } (42. g3 Rb7) 42... Rxf3 43. Nd4 Rxf2+ 44. Ke3 Rh2?! { (-6.85 → -4.89) Inaccuracy. Rf6 was best. } (44... Rf6 45. Kxe4 Kf7 46. h4 Rh6 47. Nf3 Rh5 48. Kf4 Kf6 49. Kg4 Ra5 50. h5 Rd5 51. h6) 45. Nxe6 Rxh3+ 46. Kxe4 Rh6 47. Ng5 Kg7 48. Nxh7?! { (-5.28 → -7.62) Inaccuracy. Kf4 was best. } (48. Kf4 Rg6 49. Nxh7 Kxh7 50. Ke4 Re6+ 51. Kd5 Rh6 52. Kc5 Kg6 53. Kc4 Kf5 54. Kd5 Kf4) 48... Kxh7 49. Kf5 Rg6?? { (Mate in 21 → -6.23) Lost forced checkmate sequence. Ra6 was best. } (49... Ra6) 50. Kf4?? { (-6.23 → Mate in 15) Checkmate is now unavoidable. Ke5 was best. } (50. Ke5 Rg5+) 50... Kg7?? { (Mate in 15 → -5.64) Lost forced checkmate sequence. Re6 was best. } (50... Re6 51. Kf5 Re1 52. Kf6 Kh6 53. Kf5 Kg7 54. Kf4 Kg6 55. Kg3 Kf5 56. Kf2 Re6 57. Kf3) 51. Kf5 Kf7 52. Kf4 Kf6 53. Ke4 Rg5 54. Kf4 Kg6 55. Ke4 Rf5 56. Ke3 Kf6 57. Ke4 Ke6 58. Kd4 Re5 59. Kc4 Kd6 60. Kd4 Ke6 61. Kc4 Rd5 62. Kb4 Kd6 63. Kc4 Kc6 64. Kb4 Rc5 65. Ka4 Kb6 66. Kb3 Kb5 67. Kb2 Rc4 68. Kb3 Kc5 69. Kb2 Kb4 70. Kb1 Rc3 71. Kb2 Kc4 72. Ka2 Rb3 73. Ka1 Kc3 74. Ka2 Kc2 75. Ka1 Ra3# { Black wins by checkmate. } 0-1