CohenChessClub.com

[Event "September Megatournament"] [Site "https://cohenchessclub.com/5TkwjHB4"] [Date "2026.09.27"] [White "Benton"] [Black "Owen6"] [Result "1-0"] [UTCDate "2026.09.27"] [UTCTime "18:21:03"] [WhiteElo "2027"] [BlackElo "1579"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [WhiteTitle "GM🏆"] [BlackTitle "NM🍭"] [Variant "Standard"] [TimeControl "600+1"] [ECO "C65"] [Opening "Ruy Lopez: Berlin Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 { C65 Ruy Lopez: Berlin Defense } 4. d3 Bc5 5. O-O O-O? { (0.00 → 1.48) Mistake. Nd4 was best. } (5... Nd4 6. Nxd4 Bxd4 7. c3 Bb6 8. d4 a6 9. Ba4 O-O 10. Nd2 d6 11. dxe5 dxe5 12. Nc4) 6. Bg5?? { (1.48 → -0.11) Blunder. Bxc6 was best. } (6. Bxc6 bxc6) 6... h6 7. Bh4 d6 8. Nc3 Nd4 9. h3?? { (-0.19 → -1.83) Blunder. Nxd4 was best. } (9. Nxd4) 9... a6?! { (-1.83 → -0.98) Inaccuracy. Nxf3+ was best. } (9... Nxf3+ 10. Qxf3) 10. Ba4 b5?! { (-1.46 → -0.69) Inaccuracy. g5 was best. } (10... g5 11. Bg3) 11. Bb3 Bb7?! { (-0.67 → 0.00) Inaccuracy. Nxf3+ was best. } (11... Nxf3+ 12. Qxf3 g5 13. Nd5 Nxd5 14. Bxd5 Ra7 15. Qh5 Kg7 16. Bg3 Qe8 17. c3 Bb6 18. Qd1) 12. Rb1? { (0.00 → -1.22) Mistake. Nd5 was best. } (12. Nd5 g5 13. Nxd4 Bxd4 14. c3 Bxd5 15. Bxd5 Nxd5 16. cxd4 Nf4 17. Bg3 exd4 18. Bxf4 gxf4) 12... a5?? { (-1.22 → 1.02) Blunder. g5 was best. } (12... g5 13. Nxg5 hxg5 14. Bxg5 Kh8 15. Bh4 Rg8 16. Kh1 b4 17. Na4 Rg7 18. Nxc5 dxc5 19. f4) 13. Nxd4 Bxd4 14. Nxb5 Bc6?? { (1.75 → 4.18) Blunder. Bb6 was best. } (14... Bb6 15. a4) 15. Nxd4 exd4 16. c3 dxc3 17. bxc3 Rb8 18. Qc2 Rb5?! { (3.22 → 4.13) Inaccuracy. g5 was best. } (18... g5 19. Bg3) 19. Ba4 Rxb1 20. Rxb1 Bxa4 21. Qxa4 g5 22. Bg3 Qa8 23. Qd4?! { (5.12 → 3.92) Inaccuracy. Rb5 was best. } (23. Rb5 Qa6) 23... Nh5 24. Bh2?! { (3.31 → 2.39) Inaccuracy. Kh2 was best. } (24. Kh2 Rb8) 24... Rb8 25. Rxb8+?! { (2.70 → 1.86) Inaccuracy. Rb3 was best. } (25. Rb3 Ng7) 25... Qxb8 26. g4 Nf4?! { (1.65 → 2.30) Inaccuracy. Qb1+ was best. } (26... Qb1+) 27. Bxf4 gxf4 28. Kg2 Qb2 29. a4 Qe2?! { (2.21 → 3.12) Inaccuracy. Qa1 was best. } (29... Qa1 30. e5 dxe5 31. Qd8+ Kg7 32. Qxc7 Qxa4 33. Qxe5+ Kg8 34. Qd5 Kg7 35. c4 f3+ 36. Kxf3) 30. c4?? { (3.12 → 0.95) Blunder. e5 was best. } (30. e5 f3+ 31. Kg3 Qf1 32. exd6 cxd6 33. h4 Qg2+ 34. Kf4 Qh1 35. h5 Qd1 36. Kg3 Qh1) 30... Qc2 31. Kf3?? { (1.33 → -0.39) Blunder. c5 was best. } (31. c5 dxc5) 31... Qxa4 32. Kxf4 Qd7?! { (-0.89 → 0.11) Inaccuracy. Qb4 was best. } (32... Qb4 33. Qd5) 33. c5? { (0.11 → -1.17) Mistake. Kf3 was best. } (33. Kf3 Qa4) 33... a4 34. Qc4?? { (-1.03 → -3.23) Blunder. Qc3 was best. } (34. Qc3 dxc5 35. Ke3 Qd6 36. Kd2 Qb6 37. Kc1 c4 38. Qxc4 a3 39. Qa2 Qc5+ 40. Kb1 Qc3) 34... a3?? { (-3.23 → 0.90) Blunder. Qc6 was best. } (34... Qc6 35. Ke3 a3 36. Kd2 d5 37. exd5 Qf6 38. Ke3 Qb2 39. d6 cxd6 40. cxd6 a2 41. Qc8+) 35. Qb3 dxc5 36. Qxa3 Qd4?! { (0.91 → 1.73) Inaccuracy. Qd6+ was best. } (36... Qd6+) 37. f3? { (1.73 → 0.49) Mistake. Kg3 was best. } (37. Kg3 c4) 37... Kg7 38. h4 c4 39. dxc4 Qxc4 40. Qb2+ Kg6 41. h5+ Kh7 42. Kg3 c5?? { (1.06 → 4.01) Blunder. Kg8 was best. } (42... Kg8 43. Qd2 Qc5 44. Kg2 Kg7 45. Qb2+ Kg8 46. Qe2 Qc1 47. Kf2 Qf4 48. Qe3 Qh2+ 49. Kf1) 43. Qf6 Qe6? { (4.37 → 8.26) Mistake. Kg8 was best. } (43... Kg8 44. Qxh6) 44. Qxe6 fxe6 45. Kf4 c4 46. Ke3 Kg7 47. Kd4 Kf6 48. Kxc4 Ke5 49. Kd3 Kf4 50. Ke2 e5 51. Kf2 Kg5 52. Kg3 Kf6 53. f4 exf4+ 54. Kxf4 Ke6 55. g5 hxg5+ 56. Kxg5 Ke5 57. h6 Kxe4?! { (10.33 → Mate in 13) Checkmate is now unavoidable. Kxe4 was best. } (57... Kxe4 58. h7 Kd4 59. h8=Q+ Kc5 60. Kf5 Kb6 61. Qc8 Ka7 62. Ke5 Kb6 63. Kf6 Ka7 64. Kf5) 58. h7 Kd4 59. h8=Q+ Kc4 60. Qd8 Kc5 61. Kf4 Kb4 62. Qc7 Kb3 63. Qc6 Kb2 64. Qc5 Kb3 65. Ke3 Kb2 66. Kd2 Ka1 67. Qb6 Ka2 68. Kc2 Ka1 69. Qb2# { White wins by checkmate. } 1-0