CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/eh5DP8UQ"] [Date "2026.10.21"] [White "Lucas4"] [Black "Mkai"] [Result "1/2-1/2"] [UTCDate "2026.10.21"] [UTCTime "13:38:37"] [WhiteElo "1368"] [BlackElo "1167"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+15"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Ware Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. a4 { A00 Ware Opening } d6 2. b3?! { (0.09 → -0.45) Inaccuracy. e4 was best. } (2. e4 c5) 2... e6 3. d3 f6 4. c3 g6 5. e3 h6?! { (0.29 → 0.81) Inaccuracy. e5 was best. } (5... e5 6. g3 a5 7. Bg2 Na6 8. Ne2 h5 9. h4 Nh6 10. d4 Bg7 11. Nd2 O-O) 6. f3 c6 7. g3?! { (0.64 → 0.11) Inaccuracy. d4 was best. } (7. d4) 7... b6 8. h3?! { (0.54 → -0.14) Inaccuracy. Bg2 was best. } (8. Bg2 Bg7 9. Ne2 f5 10. f4 Bb7 11. b4 Nf6 12. O-O Qd7 13. e4 c5 14. Nd2 cxb4) 8... a6 9. a5 Be7?! { (0.18 → 0.76) Inaccuracy. b5 was best. } (9... b5 10. Bg2 f5 11. Ne2 c5 12. f4 Ra7 13. b4 Bg7 14. e4 Ne7 15. Be3 Rd7 16. Nd2) 10. b4 Kf7 11. c4? { (0.88 → -0.59) Mistake. axb6 was best. } (11. axb6 Qxb6 12. d4 Ra7 13. Nd2 Qc7 14. Bd3 a5 15. bxa5 c5 16. Ne2 Nc6 17. Nc4 d5) 11... Qf8?? { (-0.59 → 1.53) Blunder. d5 was best. } (11... d5 12. Bd2) 12. d4 Bd7?? { (1.37 → 4.02) Blunder. b5 was best. } (12... b5 13. c5) 13. e4?? { (4.02 → 1.67) Blunder. axb6 was best. } (13. axb6) 13... Ra7?? { (1.67 → 5.00) Blunder. b5 was best. } (13... b5 14. Nd2) 14. f4?? { (5.00 → 1.32) Blunder. axb6 was best. } (14. axb6 Rb7 15. c5 e5 16. Be3 Bc8 17. Bc4+ Kg7 18. Ne2 exd4 19. Qxd4 dxc5 20. bxc5 Nd7) 14... bxa5 15. bxa5 Qc8? { (1.46 → 2.65) Mistake. d5 was best. } (15... d5 16. Nd2 dxe4 17. Nxe4 c5 18. d5 f5 19. Bb2 fxe4 20. Bxh8 Nf6 21. Bxf6 Bxf6 22. Rb1) 16. c5?? { (2.65 → 0.69) Blunder. Nc3 was best. } (16. Nc3) 16... Be8?? { (0.69 → 2.91) Blunder. dxc5 was best. } (16... dxc5 17. dxc5 Bxc5 18. Nf3 Bb4+ 19. Kf2 c5 20. Na3 Bc6 21. Nc4 Rd7 22. Qc2 Qb7 23. Bd3) 17. d5?? { (2.91 → -1.36) Blunder. Be3 was best. } (17. Be3) 17... exd5? { (-1.36 → -0.29) Mistake. cxd5 was best. } (17... cxd5 18. exd5) 18. cxd6 Bxd6 19. exd5?? { (-0.32 → -2.48) Blunder. Ne2 was best. } (19. Ne2 Rb7) 19... Be7?? { (-2.48 → 0.40) Blunder. cxd5 was best. } (19... cxd5) 20. dxc6?? { (0.40 → -3.57) Blunder. d6 was best. } (20. d6) 20... Bxc6 21. Bxa6?? { (-3.86 → -9.63) Blunder. Rh2 was best. } (21. Rh2 Bc5) 21... h5?? { (-9.63 → 8.07) Blunder. Nxa6 was best. } (21... Nxa6 22. Nf3) 22. Bxc8 Nh6 23. h4? { (10.74 → 4.61) Mistake. Qb3+ was best. } (23. Qb3+ Kg7 24. Qxb8 Ra8 25. Qc7 Re8 26. Bb7 Bxh1 27. Bxa8 Bxa8 28. Nd2 Nf5 29. Kf2 Bd5) 23... Rxc8 24. a6?? { (5.00 → 0.62) Blunder. Rh2 was best. } (24. Rh2 Bb4+ 25. Nd2 Bd5 26. Ba3 Nc6 27. Re2 Nf5 28. Bxb4 Nxb4 29. Nf1 Bc4 30. Rd2) 24... Rxa6?? { (0.62 → 3.91) Blunder. Bxh1 was best. } (24... Bxh1 25. Ne2) 25. Rxa6 Rf8? { (4.28 → 11.76) Mistake. Nxa6 was best. } (25... Nxa6 26. Rh2) 26. Rxc6 Nxc6 27. f5 Rd8 28. fxg6+ Kxg6 29. g4? { (11.46 → 4.18) Mistake. Qc2+ was best. } (29. Qc2+ Kg7) 29... Bc5? { (4.18 → 12.77) Mistake. Rxd1+ was best. } (29... Rxd1+ 30. Kxd1 Nxg4 31. Nh3 f5 32. Nc3 Kh7 33. Rf1 Kg8 34. Rxf5 Bxh4 35. Rxh5 Bf6 36. Ne4) 30. gxh5+ Kg7 31. Ne2?! { (11.93 → 5.33) Inaccuracy. Bxh6+ was best. } (31. Bxh6+) 31... Nf5?! { (5.33 → 10.09) Inaccuracy. Rxd1+ was best. } (31... Rxd1+ 32. Kxd1) 32. Qxd8?! { (10.09 → 5.85) Inaccuracy. Qc2 was best. } (32. Qc2 Rd5 33. Nf4 Re5+ 34. Kd1 Nce7 35. h6+ Kh7 36. Qc4 Nd6 37. Qa6 Nef5 38. Nd3 Ng3) 32... Nxd8 33. h6+ Kf8 34. h5 Nxh6 35. Nec3 Nf5 36. Nd2 Ne6 37. Kd1 Bd6 38. Rf1? { (5.14 → 2.70) Mistake. Nc4 was best. } (38. Nc4) 38... Bg3?? { (2.70 → 6.05) Blunder. Ne3+ was best. } (38... Ne3+) 39. Rxf5 Ke8 40. Rxf6 Bc7 41. Rxe6+ Kf8?! { (65.09 → Mate in 12) Checkmate is now unavoidable. Kd7 was best. } (41... Kd7 42. Re7+ Kxe7 43. Nd5+ Kf7 44. Nxc7 Kg7 45. Nc4 Kg8 46. h6 Kf7 47. Nd5 Kg8 48. Nf6+) 42. Rf6+ Ke8 43. Re6+ Kf7 44. Re4 Kg8 45. Rg4+ Kf8 46. h6 Ke8?! { (34.14 → Mate in 11) Checkmate is now unavoidable. Bd6 was best. } (46... Bd6) 47. h7 Kd8 48. h8=Q+ Kd7 49. Rg6 Bh2 50. Qg7+ Kc8 51. Qg8+ Kc7 52. Rg7+ Kb6 53. Rg6+ Bd6 54. Rxd6+ Kb7 55. Rf6 Kc7 56. Qc8+ Kxc8 57. Rf7 Kb8 58. Rf8+?! { (Mate in 4 → 57.31) Lost forced checkmate sequence. Nc4 was best. } (58. Nc4 Kc8 59. Bf4 Kd8 60. Bc7+ Ke8 61. Nd6#) 58... Kb7?! { (57.31 → Mate in 6) Checkmate is now unavoidable. Kc7 was best. } (58... Kc7 59. Nb3) 59. Nb5 Kc6 60. Ba3 Kxb5 61. Ne4? { (Mate in 7 → 8.12) Lost forced checkmate sequence. Rf6 was best. } (61. Rf6 Ka5 62. Be7 Kb5 63. Kc2 Ka5 64. Nc4+ Kb5 65. Na3+ Ka5 66. Rh6 Ka4 67. Ra6#) 61... Kc6 62. Rg8 Kb5? { (8.49 → Mate in 5) Checkmate is now unavoidable. Kd5 was best. } (62... Kd5 63. Rc8 Ke6 64. Nf6 Ke5 65. Ke2 Kf4 66. Rc1 Ke5 67. Bd6+ Kf5) 63. Bb2?! { (Mate in 5 → 56.46) Lost forced checkmate sequence. Rc8 was best. } (63. Rc8 Ka4 64. Kc2 Kb5 65. Nd6+ Ka5 66. Bc5 Ka4 67. Ra8#) 63... Kc4?! { (56.46 → Mate in 4) Checkmate is now unavoidable. Kc6 was best. } (63... Kc6 64. Rg6+ Kd5 65. Ke2 Kxe4 66. Rf6 Kd5 67. Kd3 Kc5 68. Bc3 Kd5 69. Rb6 Kc5 70. Rg6) 64. Bf6 Kb5 65. Rb8+?! { (Mate in 6 → 56.19) Lost forced checkmate sequence. Rc8 was best. } (65. Rc8 Kb6 66. Kc2 Kb7 67. Nd6+ Kb6 68. Bd8+ Ka7 69. Kc3 Ka6 70. Ra8#) 65... Ka4?! { (56.19 → Mate in 3) Checkmate is now unavoidable. Kc6 was best. } (65... Kc6 66. Kc2) 66. Nc3+ Ka3 67. Nb5+ Kb3 68. Nd4+ Ka2 69. Nc2 { Draw by stalemate. } 1/2-1/2