CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Ayo9AOlr"] [Date "2026.10.14"] [White "Leo3"] [Black "Ellis"] [Result "1/2-1/2"] [UTCDate "2026.10.14"] [UTCTime "14:10:57"] [WhiteElo "1195"] [BlackElo "1135"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Anderssen's Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. a3 { A00 Anderssen's Opening } b5 2. a4?! { (0.61 → -0.10) Inaccuracy. e4 was best. } (2. e4 Bb7 3. Bxb5 Bxe4 4. Nf3 e6 5. d4 c6 6. Bd3 Bxd3 7. Qxd3 d5 8. c4 dxc4) 2... bxa4 3. b3?? { (0.29 → -1.57) Blunder. g3 was best. } (3. g3 Bb7 4. Nf3 e6 5. d3 a5 6. Bg2 Nf6 7. O-O c5 8. Rxa4 Be7 9. b3 O-O) 3... a5?? { (-1.57 → 0.15) Blunder. axb3 was best. } (3... axb3 4. c3 Nf6 5. Qxb3 d5 6. Nf3 e6 7. g3 c5 8. d3 Be7 9. Bg2 O-O 10. O-O) 4. bxa4?! { (0.15 → -0.38) Inaccuracy. Rxa4 was best. } (4. Rxa4) 4... c5?! { (-0.38 → 0.40) Inaccuracy. e5 was best. } (4... e5 5. e3 Nf6 6. Nf3 e4 7. Nd4 Nc6 8. Nxc6 dxc6 9. d4 exd3 10. Bxd3 Qd5 11. Qf3) 5. c3?! { (0.40 → -0.11) Inaccuracy. e4 was best. } (5. e4 e6 6. Nc3 Nc6 7. Bb5 Bb7 8. Nf3 Nf6 9. O-O Be7 10. e5 Ng4 11. Bxc6 Bxc6) 5... e5 6. c4 e4?! { (-0.04 → 0.51) Inaccuracy. Nf6 was best. } (6... Nf6 7. Nc3) 7. e3?! { (0.51 → -0.18) Inaccuracy. g3 was best. } (7. g3 Nc6 8. Bg2 Nf6 9. d3 exd3 10. Nc3 d5 11. exd3 Nb4 12. Nge2 dxc4 13. Bxa8 cxd3) 7... d5? { (-0.18 → 1.35) Mistake. Na6 was best. } (7... Na6 8. d3) 8. cxd5 c4? { (1.71 → 3.17) Mistake. Na6 was best. } (8... Na6 9. Bb5+) 9. d3?? { (3.17 → -4.83) Blunder. Bxc4 was best. } (9. Bxc4) 9... exd3 10. e4?! { (-5.05 → -6.73) Inaccuracy. Bd2 was best. } (10. Bd2 Bb4) 10... Ra7? { (-6.73 → -4.08) Mistake. Qf6 was best. } (10... Qf6) 11. e5? { (-4.08 → -8.46) Mistake. Nd2 was best. } (11. Nd2 Ba6) 11... Re7?! { (-8.46 → -5.93) Inaccuracy. Qxd5 was best. } (11... Qxd5 12. Nf3 Bb4+ 13. Bd2 Qe4+ 14. Be2 dxe2 15. Qxe2 Qxe2+ 16. Kxe2 Ne7 17. Nc3 Bxc3 18. Bxc3) 12. d6?! { (-5.93 → -9.53) Inaccuracy. Nf3 was best. } (12. Nf3 Qxd5) 12... Qxd6 13. Bxd3 Qxe5+ 14. Be2 Qxe2+?? { (-9.36 → 7.29) Blunder. Qxa1 was best. } (14... Qxa1 15. Bd2 Rb7 16. Nc3 Qxd1+ 17. Kxd1 Nf6 18. Nf3 Bb4 19. Bxc4 O-O 20. Ne5 Bxc3 21. Nxf7) 15. Qxe2?? { (7.29 → 0.62) Blunder. Nxe2 was best. } (15. Nxe2 Rd7) 15... Nf6?? { (0.62 → 6.15) Blunder. Rxe2+ was best. } (15... Rxe2+ 16. Nxe2 Bb4+ 17. Bd2 Nc6 18. O-O Nge7 19. Rd1 O-O 20. Na3 Bg4 21. f3 Be6 22. Nb5) 16. Qe4?? { (6.15 → -9.39) Blunder. Be3 was best. } (16. Be3 Re6 17. Qb2 Bb4+ 18. Nc3 Nd5 19. Ne2 Nc6 20. O-O Nxe3 21. fxe3 O-O 22. Nd5 Rd8) 16... c3?? { (-9.39 → 1.92) Blunder. Rxe4+ was best. } (16... Rxe4+ 17. Ne2) 17. Qe5?? { (1.92 → -9.78) Blunder. Qxe7+ was best. } (17. Qxe7+ Bxe7 18. Nxc3 Bb4 19. Ne2 Ne4 20. Bb2 Ba6 21. f3 Nc5 22. O-O Bc4 23. Rfd1 O-O) 17... Ng4?? { (-9.78 → 2.01) Blunder. Rxe5+ was best. } (17... Rxe5+ 18. Be3) 18. Qe4?? { (2.01 → -10.16) Blunder. Qxe7+ was best. } (18. Qxe7+ Bxe7 19. Nxc3 Ne5 20. Nf3 Nd3+ 21. Ke2 Ba6 22. Nb5 Nc5 23. Nd4 O-O 24. Be3 Nbd7) 18... Rxe4+ 19. Kd1 Re6 20. f4 Rd6+ 21. Ke1 Re6+ 22. Be3 Nxe3 23. Ra2 Nxg2+ 24. Kf1 Nxf4 25. Nf3 Ng6 26. Kg2 Rf6 27. Kg3 Ne5 28. Nxe5 Rg6+ 29. Nxg6 fxg6 30. Kf4?! { (-6.38 → -9.48) Inaccuracy. Re2+ was best. } (30. Re2+ Kd7) 30... h5 31. Ke5 Kf7 32. Kd5 Be7 33. Ke5 Rd8 34. Re2 Bf8 35. Re4 Rd3 36. Nxc3?! { (-12.75 → Mate in 1) Checkmate is now unavoidable. Kf4 was best. } (36. Kf4 c2) 36... Rxc3?! { (Mate in 1 → -10.66) Lost forced checkmate sequence. Bd6# was best. } (36... Bd6#) 37. Kd5 h4 38. Rxh4 Rc1?? { (-14.00 → -0.04) Blunder. Be6+ was best. } (38... Be6+) 39. Rh8?? { (-0.04 → -13.92) Blunder. Rf4+ was best. } (39. Rf4+ Bf5 40. Rxc1 Be7 41. Rc7 Na6 42. Ra7 Nb4+ 43. Kc4 Nc6 44. Rc7 Ne5+ 45. Kd5 Nd3) 39... Rc2 40. Rxf8+ Kxf8 41. Kd6 Rd2+ 42. Ke5 g5 43. Ke4 g4 44. Kf4 Re2 45. Kg5 Rc2 46. Kf4 Rb2 47. Re1 Rxh2 48. Re7? { (-9.05 → Mate in 12) Checkmate is now unavoidable. Re5 was best. } (48. Re5 Rf2+ 49. Kg3 Nc6 50. Rc5 Rf6 51. Rd5 Ke7 52. Rg5 g6 53. Rxg4 Bxg4 54. Kxg4 Kd6) 48... Kxe7 49. Ke5 Re2+ 50. Kd5 Rd2+ 51. Kc5 Rc2+ 52. Kb6 Rb2+ 53. Kxa5 Ra2 54. Kb4 Ra1 55. Kb3 g3 56. Kb2 g2 57. Kxa1 g1=R+ 58. Kb2 Rh1 59. Kc2 g5 60. Kd2 Rh2+ 61. Ke3 Ra2 62. Kd3 Rxa4 63. Kc3 g4 64. Kb3 Ra6 65. Kb4 g3 66. Kc5 g2 67. Kd5 g1=Q 68. Ke4 Qa1 69. Kd3 Qf6 70. Ke4 Ra4+ 71. Kd5 Ra7 72. Kc5 Qc3+ 73. Kb5 Qb2+ 74. Kc4 Qc1+ 75. Kd3 Qc5 76. Ke4 Qc1 77. Kd3 Qe1 78. Kc2 Rc7+ 79. Kd3 Qe5 80. Kd2 Rd7+ 81. Kc2 Rc7+ 82. Kd3 Qb2 83. Ke3 Rd7 84. Ke4 Qd2 85. Kf3 Qg5 86. Ke4 Qd5+ 87. Kf4 Qe5+?! { (Mate in 4 → -57.12) Lost forced checkmate sequence. Qd2+ was best. } (87... Qd2+ 88. Kf5 Rd3+ 89. Kg6 Qg2+ 90. Kh7 Rh3#) 88. Kxe5 Rd3 89. Ke4 Rd5?? { (-55.08 → -2.83) Blunder. Rb3 was best. } (89... Rb3 90. Kd4) 90. Kxd5 Nd7 91. Kc6 Ba6 92. Kc7?? { (-2.85 → Mate in 11) Checkmate is now unavoidable. Kd5 was best. } (92. Kd5 Bb7+ 93. Kd4 Ke6 94. Kc3 Kd5 95. Kd3 Ke5 96. Ke3 Nc5 97. Kf2 Kf4 98. Ke2 Be4) 92... Bb5 93. Kb7 Nc5+ 94. Kb6 Na4+ 95. Kxb5 { The game is a draw. } 1/2-1/2