CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/1ubf4c7I"] [Date "2023.02.26"] [White "Nikolai"] [Black "Sasha"] [Result "1/2-1/2"] [UTCDate "2023.02.26"] [UTCTime "18:02:17"] [WhiteElo "1223"] [BlackElo "1541"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-4"] [BlackTitle "IM🧁"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. Nf3 d5 3. Bf4 { D02 Queen's Pawn Game: London System } Nc6?! { (0.06 → 0.58) Inaccuracy. c5 was best. } (3... c5 4. e3 Nc6 5. c3 Qb6 6. Qc2 Nh5 7. dxc5 Qxc5 8. Be5) 4. e3 e6 5. Nc3 Bb4 6. Be2?! { (0.48 → -0.39) Inaccuracy. Bd3 was best. } (6. Bd3) 6... Bxc3+ 7. bxc3 O-O 8. O-O Bd7 9. g3?? { (0.86 → -1.51) Blunder. c4 was best. } (9. c4 h6) 9... Ne7? { (-1.51 → -0.11) Mistake. Ne4 was best. } (9... Ne4 10. Bd3 f6 11. h4 Be8 12. Qe1 Bh5 13. Nh2 e5 14. f3 Nd6 15. g4 exf4 16. gxh5) 10. Be5?? { (-0.11 → -2.93) Blunder. c4 was best. } (10. c4 h6 11. Qd3 Rc8 12. a4 b6 13. a5 Nc6 14. axb6 cxb6 15. cxd5 exd5 16. Ne5 Bh3) 10... Ng4?? { (-2.93 → -0.25) Blunder. Ne4 was best. } (10... Ne4) 11. Ng5? { (-0.25 → -1.28) Mistake. h3 was best. } (11. h3 Nxe5 12. Nxe5 Ba4 13. Rb1 b6 14. c4 c5 15. dxc5 Qc7 16. Qd4 bxc5 17. Qc3 Rac8) 11... Nxe5 12. dxe5 f6? { (-1.19 → 0.13) Mistake. h6 was best. } (12... h6 13. Nh3) 13. exf6 gxf6 14. Nf3 e5 15. h4?? { (0.48 → -1.05) Blunder. Qb1 was best. } (15. Qb1 Bc6 16. c4 dxc4 17. Rd1 Qe8 18. Bxc4+ Kh8 19. Nh4 Ng6 20. Nxg6+ hxg6 21. Bd5 Kg7) 15... Bh3?! { (-1.05 → -0.47) Inaccuracy. Bc6 was best. } (15... Bc6) 16. Re1 Bg4?! { (-0.47 → 0.25) Inaccuracy. Be6 was best. } (16... Be6 17. Nd2 Qd7 18. c4 Kh8 19. Nb3 b6 20. cxd5 Nxd5 21. Qd2 Qf7 22. Bc4 Ne7 23. Bxe6) 17. a3 Bxf3?! { (-0.25 → 0.30) Inaccuracy. Be6 was best. } (17... Be6 18. Nd2) 18. Bxf3 Nc6?? { (0.07 → 5.10) Blunder. e4 was best. } (18... e4 19. Bg2 f5 20. a4 c5 21. Qd2 Qd6 22. Rab1 b6 23. Red1 Rad8 24. a5 Qf6 25. axb6) 19. Bxd5+ Kh8 20. Bxc6 bxc6 21. Qxd8?! { (4.32 → 3.38) Inaccuracy. Qf3 was best. } (21. Qf3 Qd5) 21... Raxd8 22. Red1 Rxd1+?! { (3.76 → 4.75) Inaccuracy. Kg7 was best. } (22... Kg7 23. Rab1 Kg6 24. Rd3 Rb8 25. Rb4 h5 26. Kg2 Rb5 27. Ra4 Rb2 28. Rd2 Ra8 29. Rc4) 23. Rxd1 Rb8 24. Kg2 Rb2 25. c4?! { (5.89 → 3.89) Inaccuracy. Rd7 was best. } (25. Rd7 Kg8) 25... Rxc2 26. Rd7 Rxc4 27. Rxc7 a5?! { (3.78 → 5.04) Inaccuracy. Kg8 was best. } (27... Kg8 28. h5 Ra4 29. h6 c5 30. Rg7+ Kh8 31. Rf7 Kg8 32. Rxf6 Rxa3 33. Rc6 Kf7 34. Rxc5) 28. Rf7 Rc3 29. Rxf6 Rxa3?! { (4.83 → 6.25) Inaccuracy. c5 was best. } (29... c5 30. Rc6) 30. Re6? { (6.25 → 3.43) Mistake. Rxc6 was best. } (30. Rxc6 Ra4 31. Rc5 e4 32. g4 Kg7 33. Kg3 Ra1 34. Kf4 Ra2 35. Kxe4 Rxf2 36. Rg5+ Kh6) 30... Rb3? { (3.43 → 5.46) Mistake. c5 was best. } (30... c5 31. Rxe5) 31. Rxc6 Rb8 32. Re6?? { (6.43 → 1.03) Blunder. Ra6 was best. } (32. Ra6 Rb5 33. Kf3 h5 34. Ke4 Kg7 35. Kf5 Rb2 36. f4 exf4 37. gxf4 Rh2 38. Ra7+ Kh6) 32... Ra8 33. Rxe5 a4 34. Re4?? { (0.95 → -2.76) Blunder. Rc5 was best. } (34. Rc5 a3 35. Rc1 a2 36. Ra1 Kg7 37. g4 Kf6 38. Kf3 Ke5 39. g5 Ra4 40. Kg3 Kf5) 34... a3 35. Rd4 a2 36. Rd1 a1=Q 37. Rxa1 Rxa1 38. f4? { (-2.66 → -4.72) Mistake. g4 was best. } (38. g4 Re1) 38... Kg7?! { (-4.72 → -3.21) Inaccuracy. h5 was best. } (38... h5) 39. Kf3?! { (-3.21 → -4.26) Inaccuracy. h5 was best. } (39. h5 Ra2+ 40. Kf3 Rh2 41. g4 Rh3+ 42. Kf2 Kf7 43. e4 Ke6 44. Ke2 Rg3 45. g5 Kf7) 39... Ra3?! { (-4.26 → -2.81) Inaccuracy. Kg6 was best. } (39... Kg6) 40. Kg4?? { (-2.81 → -53.04) Blunder. g4 was best. } (40. g4 Kf6) 40... Rxe3 41. f5 Re4+ 42. Kg5 Kf7?? { (Mate in 12 → -6.66) Lost forced checkmate sequence. h6+ was best. } (42... h6+ 43. Kh5 Kf6 44. g4 Rd4 45. g5+ Kxf5 46. g6 Rg4 47. Kxh6 Rxg6+ 48. Kh5 Rg4 49. Kh6) 43. g4?? { (-6.66 → Mate in 11) Checkmate is now unavoidable. f6 was best. } (43. f6 Rc4) 43... Rc4? { (Mate in 11 → -7.49) Lost forced checkmate sequence. h6+ was best. } (43... h6+ 44. Kh5 Kf6 45. g5+ Kxf5 46. g6 Rg4 47. Kxh6 Rxg6+ 48. Kh7 Kf6 49. h5 Rg5 50. h6) 44. h5 Rc6 45. h6 Kg8 46. Kh5 Kf7?! { (-56.01 → -6.32) Inaccuracy. Rc4 was best. } (46... Rc4) 47. g5 Rc5?! { (-20.55 → -5.79) Inaccuracy. Rc1 was best. } (47... Rc1 48. g6+) 48. g6+?! { (-5.79 → -66.24) Inaccuracy. Kg4 was best. } (48. Kg4 Rc1 49. Kf4 Rg1 50. g6+ hxg6 51. fxg6+ Kxg6 52. Ke5 Re1+ 53. Kd4 Rh1 54. h7 Rxh7) 48... hxg6+ 49. Kg5 gxf5?! { (Mate in 26 → -66.12) Lost forced checkmate sequence. Rxf5+ was best. } (49... Rxf5+ 50. Kg4 Rh5 51. Kg3 Rxh6 52. Kf4 Kf6 53. Ke3 g5 54. Kf3 Rg6 55. Kg4 Rg7 56. Kf3) 50. Kh5 Kg8?! { (Mate in 20 → -66.32) Lost forced checkmate sequence. Kf6 was best. } (50... Kf6 51. Kh4 Rc8 52. Kg3 Rh8 53. Kf4 Rxh6 54. Ke3 Ke5 55. Ke2 f4 56. Kd3 Rf6 57. Kc4) 51. Kg6?! { (-66.32 → Mate in 11) Checkmate is now unavoidable. Kh4 was best. } (51. Kh4 Ra5) 51... Kh8 52. h7 Rc6+? { (Mate in 8 → -7.83) Lost forced checkmate sequence. f4 was best. } (52... f4 53. Kf6 f3 54. Ke7 f2 55. Kd6 Rg5 56. Kc6 f1=Q 57. Kc7 Qf6 58. Kc8 Rg7 59. Kb8) 53. Kxf5 Rc7?! { (-9.06 → -5.84) Inaccuracy. Rc4 was best. } (53... Rc4) 54. Kg6?? { (-5.84 → Mate in 18) Checkmate is now unavoidable. Ke5 was best. } (54. Ke5 Rc4) 54... Rxh7 55. Kf6 Rh5 56. Ke6 Kg7 57. Kd6 Kf6 58. Kc6 Ke6 59. Kc7 { White offers draw } 59... Ke7 60. Kc6 Re5 61. Kc7 Rd5 62. Kc6 Ke6 63. Kb6 Kd6 64. Kb7 Rc5 65. Kb6 Rc1 66. Kb5 Kd5 67. Kb6 Kd6 68. Kb5 Rc5+ 69. Kb6 Rc2 70. Kb5 Kd5 71. Kb6 Kd4 72. Kb5 Rb2+ 73. Kc6 Rc2+ 74. Kd6 Ke4 75. Ke6 Rc6+ 76. Kd7 Ra6 77. Ke7 Ke5 78. Kd7 Kd5 79. Ke7 Kc5 80. Kd7 Kb5 81. Ke7 Kc5 82. Kd7 Kd5 83. Ke7 { White offers draw } 83... Ke5 84. Kd7 Ra7+ 85. Kc6 Ra8 86. Kc5 Rc8+ 87. Kb4 Kd4 88. Kb3 Rb8+ 89. Kc2 Kc4 90. Kd2 Rb3 91. Ke2 Kd4 92. Kd2 Rb2+ 93. Kc1 Kc3 94. Kd1 Rh2 95. Ke1 Kd3 96. Kf1 Ke3 97. Kg1 Ra2 98. Kh1 Kf3 99. Kg1 Ra1+ 100. Kh2 Kg4?? { (Mate in 2 → 0.00) Lost forced checkmate sequence. Rb1 was best. } (100... Rb1 101. Kh3 Rh1#) 101. Kg2 Ra2+ 102. Kf1 Kf3 103. Kg1 Kg3 104. Kf1 Kh3 { The game is a draw. } 1/2-1/2