CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/FoUxevQT"] [Date "2026.10.28"] [White "Lucas4"] [Black "Mkai"] [Result "1/2-1/2"] [UTCDate "2026.10.28"] [UTCTime "14:07:37"] [WhiteElo "1335"] [BlackElo "1151"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Borg Defense"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 g5?? { (0.41 → 2.48) Blunder. c5 was best. } { B00 Borg Defense } (1... c5 2. Nf3) 2. e5?? { (2.48 → 0.40) Blunder. d4 was best. } (2. d4 h6) 2... Nh6? { (0.40 → 1.56) Mistake. d6 was best. } (2... d6 3. exd6 Qxd6 4. d4 Nc6 5. c3 e5 6. d5 Nce7 7. c4 h6 8. Nc3 c6 9. Be3) 3. h4? { (1.56 → 0.46) Mistake. d4 was best. } (3. d4 d6 4. exd6 Qxd6 5. Na3 Nf5 6. c3 h6 7. Nf3 Bg7 8. Be2 g4 9. Nd2 c5) 3... Bg7?? { (0.46 → 3.30) Blunder. g4 was best. } (3... g4) 4. hxg5 Bxe5?? { (3.29 → 9.33) Blunder. Ng8 was best. } (4... Ng8) 5. gxh6 O-O 6. f4 e6 7. fxe5 f6 8. exf6 Rxf6 9. Be2 Rxh6 10. Rxh6 Kf8 11. Rxh7 Ke8?! { (15.23 → Mate in 4) Checkmate is now unavoidable. Qf6 was best. } (11... Qf6 12. Bd3 Nc6 13. Qf3 Qxf3 14. Nxf3 Nb4 15. Bg6 Nc6 16. g4 Ne7 17. Rf7+ Ke8) 12. Rh1?! { (Mate in 4 → 15.16) Lost forced checkmate sequence. Bh5+ was best. } (12. Bh5+ Kf8 13. Qf3+ Qf6 14. Qxf6+ Kg8 15. Qf7#) 12... e5 13. Rh2 d5 14. Rh5 c5 15. Rxe5+ Kf7 16. Re3 Qg5 17. Re6 Bxe6 18. d4 cxd4 19. Qxd4?! { (18.50 → 6.32) Inaccuracy. Bxg5 was best. } (19. Bxg5) 19... b6?! { (6.32 → 20.35) Inaccuracy. Qxc1+ was best. } (19... Qxc1+ 20. Bd1) 20. Qxd5?? { (20.35 → -5.59) Blunder. Bxg5 was best. } (20. Bxg5 Nd7 21. Nf3 Rg8 22. Nc3 Kf8 23. O-O-O Bf7 24. Qf4 Rg6 25. Rxd5 Nc5 26. Qb8+ Kg7) 20... Nd7?? { (-5.59 → 19.95) Blunder. Qg3+ was best. } (20... Qg3+ 21. Kf1) 21. Qxe6+ Kxe6 22. Bh5?? { (15.30 → -8.39) Blunder. Bxg5 was best. } (22. Bxg5 Ne5 23. Bc1 Rg8 24. Kf2 Ng4+ 25. Bxg4+ Rxg4 26. Nc3 Rh4 27. Nge2 Rh1 28. b3 Kd7) 22... Rf8?? { (-8.39 → 14.84) Blunder. Qxc1+ was best. } (22... Qxc1+) 23. Be8?? { (14.84 → Mate in 10) Checkmate is now unavoidable. Bxg5 was best. } (23. Bxg5 Ne5) 23... Rxe8?? { (Mate in 10 → 8.58) Lost forced checkmate sequence. Qxc1+ was best. } (23... Qxc1+ 24. Ke2 Qf1+ 25. Ke3 Qxg1+ 26. Kd3 Ne5+ 27. Kc3 Qe3+ 28. Kb4 Rf4+ 29. c4 Qc5+ 30. Kc3) 24. Bxg5 Kd5+ 25. Kf2 Rf8+ 26. Ke2 Rf2+ 27. Kxf2 Ne5 28. c3 Nc6 29. c4+ Kxc4 30. b3+ Kd5 31. Bd8 Nxd8 32. g4 Ne6 33. b4 Kd6 34. Nf3 Kd5 35. b5 Kc5 36. a4 Kc4 37. Na3+ Kd5 38. Rd1+ Ke4?! { (12.69 → Mate in 6) Checkmate is now unavoidable. Kc5 was best. } (38... Kc5 39. Nc2 Kc4 40. Rd7 Nf8 41. Rxa7 Kd3 42. Ncd4 Ng6 43. g5 Nf4 44. Ra6 Kc4 45. Rxb6) 39. Nd2+?! { (Mate in 6 → 10.53) Lost forced checkmate sequence. Kg3 was best. } (39. Kg3 a6 40. bxa6 Nd4 41. Rxd4+ Ke3 42. Nc2+ Ke2 43. Rd2+ Kf1 44. Ne3#) 39... Kd5 40. a5 bxa5 41. Nab1 Nd4 42. Ne4 a4 43. Rg1 Kxe4 44. Kg3 Ke3 45. Nd2?? { (8.28 → 0.00) Blunder. Re1+ was best. } (45. Re1+) 45... Kxd2?? { (0.00 → 8.08) Blunder. Ne2+ was best. } (45... Ne2+ 46. Kg2 Nxg1 47. Nc4+ Kd4 48. g5 Ne2 49. Kf3 Nc3 50. g6 Nd5 51. Na3 Kc3 52. Ke4) 46. g5?? { (8.08 → 0.00) Blunder. Ra1 was best. } (46. Ra1) 46... Ke3?? { (0.00 → 9.34) Blunder. Ne2+ was best. } (46... Ne2+ 47. Kg2 Nxg1 48. b6 axb6 49. g6 a3 50. g7 a2 51. g8=Q a1=Q 52. Qg5+ Ke1 53. Qh4+) 47. g6 Ke4 48. g7 Kf5?! { (6.32 → 12.62) Inaccuracy. Nf5+ was best. } (48... Nf5+ 49. Kf2 Nxg7 50. Rxg7 Kd5 51. Rxa7 Kc5 52. Rxa4 Kxb5 53. Re4 Kc6 54. Ke3 Kc5 55. Kd3) 49. g8=Q Ke5 50. Qh8+ Ke4 51. Qh7+ Ke5 52. Qh8+ Ke4 53. Qh7+ Kd5 54. Kg4 Ke6 55. Kg5 Ke5 56. Qh8+ Ke4 57. Kg6 Kd3 58. Kg7?! { (Mate in 6 → 61.83) Lost forced checkmate sequence. Rd1+ was best. } (58. Rd1+ Kc4 59. Qxd4+ Kxb5 60. Qc3 Kb6 61. Rb1+ Ka6 62. Qc6+ Ka5 63. Qb5#) 58... a6 59. Kf8 axb5?! { (62.11 → Mate in 6) Checkmate is now unavoidable. Ne2 was best. } (59... Ne2 60. Rg4) 60. Rg8?! { (Mate in 6 → 64.69) Lost forced checkmate sequence. Rd1+ was best. } (60. Rd1+ Ke4 61. Qxd4+ Kf3 62. Rd2 b4 63. Rf2+ Kg3 64. Qf4+ Kh3 65. Rh2#) 60... b4?! { (64.69 → Mate in 7) Checkmate is now unavoidable. Ne2 was best. } (60... Ne2 61. Qb2) 61. Ke8?! { (Mate in 7 → 65.22) Lost forced checkmate sequence. Rg3+ was best. } (61. Rg3+ Kc4 62. Rg4 a3 63. Qxd4+ Kb5 64. Qxb4+ Kc6 65. Ke7 a2 66. Rc4+ Kd5 67. Qb5#) 61... b3?! { (65.22 → Mate in 7) Checkmate is now unavoidable. Nf3 was best. } (61... Nf3 62. Qb2) 62. Kd8 Ne6+ 63. Ke8?! { (Mate in 10 → 69.27) Lost forced checkmate sequence. Kd7 was best. } (63. Kd7 Nc5+ 64. Kc6 Ne4 65. Rd8+ Ke2 66. Qe5 Kf3 67. Rd3+ Kg4 68. Qxe4+ Kg5 69. Qg2+ Kf6) 63... Ke4?! { (69.27 → Mate in 8) Checkmate is now unavoidable. Nf4 was best. } (63... Nf4 64. Rg4) 64. Kd7 b2 65. Kxe6 a3 66. Ke7 Kf3 67. Kd6 b1=R 68. Kc7 Rd1 69. Kc6 Rc1+ 70. Kd6 Rc6+ 71. Kxc6 a2 72. Kc7 a1=B 73. Kc8?? { (Mate in 6 → 5.75) Lost forced checkmate sequence. Rf8+ was best. } (73. Rf8+ Bf6 74. Qxf6+ Ke3 75. Qc3+ Ke2 76. Qg3 Kd2 77. Rf2+ Kc1 78. Qg1#) 73... Bd4?? { (5.75 → Mate in 4) Checkmate is now unavoidable. Bxh8 was best. } (73... Bxh8 74. Rxh8 Ke2 75. Kd7 Kf3 76. Ke6 Kf4 77. Rh4+ Ke3 78. Kf5 Kd3 79. Re4 Kd2 80. Ke5) 74. Kb7? { (Mate in 4 → 8.51) Lost forced checkmate sequence. Qxd4 was best. } (74. Qxd4 Ke2 75. Rg3 Kf1 76. Qb2 Ke1 77. Rg1#) 74... Bxh8 75. Rxh8 Kf2 76. Kc6 Kf1 77. Kd5 Ke1 78. Kd4 Kd1 79. Kc3 Kc1 80. Kb3 Kb1 81. Ka3 Ka1 82. Kb3 Kb1 83. Ka3 Kc1 84. Ka2 Kd1 85. Ka1 Ke1 86. Kb1 Kf1 87. Kc1 Kg1 88. Kd1 Kg2 89. Ke1 Kf3 90. Kd2?? { (Mate in 16 → 3.77) Lost forced checkmate sequence. Re8 was best. } (90. Re8 Kg4 91. Ke2 Kf4 92. Kf2 Kg4 93. Ke3 Kf5 94. Kf3 Kg6 95. Kg4 Kf7 96. Re5 Kf6) 90... Ke4?? { (3.77 → Mate in 17) Checkmate is now unavoidable. Ke4 was best. } (90... Ke4 91. Kc3 Ke5 92. Rh5+ Kd6 93. Kd4 Ke6 94. Rd5 Kf6 95. Re5 Kg6 96. Kd3 Kf6 97. Ke4) 91. Kc3 Kd5 92. Kb4 Kd6 93. Ka5 Kd7 94. Ka6 Ke6 95. Kb7?? { (Mate in 17 → 2.84) Lost forced checkmate sequence. Rh5 was best. } (95. Rh5 Kd7 96. Kb7 Kd6 97. Rb5 Kd7 98. Rd5+ Ke7 99. Kc6 Ke6 100. Rb5 Ke7 101. Re5+ Kf7) 95... Ke5?? { (2.84 → Mate in 16) Checkmate is now unavoidable. Kd5 was best. } (95... Kd5 96. Rh4 Kc5 97. Kc7 Kd5 98. Kb6 Kd6 99. Rh5 Ke6 100. Kc6 Kf6 101. Ra5 Kg6 102. Re5) 96. Kc6 Ke4 97. Kc5 Kd3 98. Kb4?? { (Mate in 10 → 2.54) Lost forced checkmate sequence. Re8 was best. } (98. Re8 Kc3 99. Rd8 Kb3 100. Rd3+ Kb2 101. Kc4 Kc2 102. Rd6 Kb2 103. Rd2+ Kc1 104. Kc3 Kb1) 98... Ke2?? { (2.54 → Mate in 12) Checkmate is now unavoidable. Kd4 was best. } (98... Kd4 99. Re8 Kd5 100. Rd8+ Ke5 101. Kc4 Kf4 102. Re8 Kg4 103. Kc5 Kf3 104. Kd5 Kf4 105. Kd4) 99. Kc3 Ke1 100. Kc2 Kf1 101. Kc1 Kg2 102. Kd1 Kf3 103. Kd2?! { (Mate in 13 → 152.65) Lost forced checkmate sequence. Rh4 was best. } (103. Rh4 Ke3 104. Kc2 Kf3 105. Kd3 Kg3 106. Re4 Kf3 107. Ra4 Kf2 108. Rf4+ Kg2 109. Ke3 Kg3) 103... Ke4 104. Kc3 Kd5 105. Kb4 Ke6 106. Kc5 Ke5 107. Kc4 Kf6 108. Rh5 Kg7 109. Re5 Kg6 110. Re7 Kf6 111. Rh7?? { (Mate in 13 → 0.87) Lost forced checkmate sequence. Re4 was best. } (111. Re4 Kg5 112. Kd4 Kf6 113. Re5 Kg6 114. Kd5 Kf7 115. Re6 Kf8 116. Ke4 Kg8 117. Kf5 Kf7) 111... Kf5 112. Rh6 Kf4?? { (0.23 → 2.65) Blunder. Ke4 was best. } (112... Ke4) 113. Kd4?? { (2.65 → 0.05) Blunder. Rh5 was best. } (113. Rh5 Ke4) 113... Kg3?? { (0.05 → Mate in 9) Checkmate is now unavoidable. Kg5 was best. } (113... Kg5 114. Rc6 Kf5 115. Rc8 Kf6 116. Rf8+ Ke7 117. Rf4 Ke6 118. Rf3 Kd7 119. Ke5 Ke7 120. Rf4) 114. Ke4 Kf2 115. Kd3 Ke1 116. Kc2 Ke2 117. Kb2?? { (Mate in 9 → 0.00) Lost forced checkmate sequence. Rh3 was best. } (117. Rh3 Kf2 118. Kd1 Kg2 119. Rd3 Kf2 120. Kd2 Kg1 121. Ke1 Kg2 122. Ke2 Kg1 123. Kf3 Kh1) 117... Kd3 118. Kb3 Kd4 119. Kb4 Kd5 120. Kb5 Ke4 121. Kc5 Ke5 122. Kc4 Ke4 { The game is a draw. } 1/2-1/2