Event: Round 1: Merriman, James - Kalavannan, Koby
Date: 2024-07-27
White: Merriman, James
WhiteElo: 1974
Black: Kalavannan, Koby
BlackTitle: FM
BlackElo: 2265
Result: 0-1
ECO: A57
Opening: Benko Gambit Declined: Sosonko Variation
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:30:49] } 1... Nf6 { [%eval 0.17] [%clk 1:30:16] } 2. c4 { [%eval 0.21] [%clk 1:31:13] } 2... c5 { [%eval 0.56] [%clk 1:30:34] } 3. d5 { [%eval 0.62] [%clk 1:31:09] } 3... b5 { [%eval 0.58] [%clk 1:30:52] } 4. a4?! { [%eval 0.02] } { Inaccuracy. cxb5 was best. } { [%clk 1:30:28] } 4... Qa5+ { [%eval 0.08] [%clk 1:31:08] } 5. Bd2 { [%eval 0.04] [%clk 1:29:03] } 5... b4 { [%eval 0.1] [%clk 1:31:30] } 6. Qc2 { [%eval 0.07] [%clk 1:27:45] } 6... g6 { [%eval 0.09] [%clk 1:31:45] } 7. e4 { [%eval 0.05] [%clk 1:27:57] } 7... d6 { [%eval 0.2] [%clk 1:32:00] } 8. Bd3 { [%eval -0.03] [%clk 1:26:40] } 8... Bg7 { [%eval 0.05] [%clk 1:32:13] } 9. f4 { [%eval -0.1] [%clk 1:23:44] } 9... O-O { [%eval -0.27] [%clk 1:31:50] } 10. Nf3 { [%eval -0.14] [%clk 1:23:36] } 10... e6 { [%eval -0.05] [%clk 1:31:53] } 11. O-O { [%eval -0.24] [%clk 1:23:30] } 11... exd5 { [%eval -0.2] [%clk 1:32:05] } 12. exd5 { [%eval 0.0] [%clk 1:23:58] } 12... Nbd7 { [%eval 0.0] [%clk 1:32:21] } 13. f5 { [%eval 0.0] [%clk 1:14:47] } 13... Qd8 { [%eval 0.11] [%clk 1:32:14] } 14. Bg5 { [%eval 0.05] [%clk 1:02:54] } 14... h6 { [%eval -0.01] [%clk 1:31:58] } 15. Bf4 { [%eval 0.0] [%clk 0:58:28] } 15... Ng4 { [%eval 0.0] [%clk 1:32:06] } 16. Re1? { [%eval -1.44] } { Mistake. h3 was best. } { [%clk 0:48:52] } 16... Nde5 { [%eval -1.06] [%clk 1:22:43] } 17. Bxe5 { [%eval -1.1] [%clk 0:39:17] } 17... Nxe5 { [%eval -1.02] [%clk 1:22:11] } 18. Nxe5 { [%eval -1.16] [%clk 0:39:38] } 18... Bxe5 { [%eval -1.19] [%clk 1:22:33] } 19. Nd2 { [%eval -1.0] [%clk 0:39:00] } 19... b3?! { [%eval -0.15] } { Inaccuracy. Rb8 was best. } { [%clk 1:01:33] } 20. Qxb3 { [%eval -0.21] [%clk 0:33:09] } 20... Bd7 { [%eval 0.0] [%clk 0:58:03] } 21. Qc2 { [%eval 0.0] [%clk 0:31:02] } 21... Rb8 { [%eval 0.0] [%clk 0:56:27] } 22. Rab1 { [%eval 0.0] [%clk 0:31:15] } 22... Qf6 { [%eval 0.0] [%clk 0:42:21] } 23. Nf3 { [%eval 0.0] [%clk 0:25:04] } 23... Bxb2 { [%eval 0.0] [%clk 0:41:33] } 24. fxg6 { [%eval 0.0] [%clk 0:25:01] } 24... fxg6 { [%eval 0.0] [%clk 0:40:59] } 25. Bxg6 { [%eval 0.0] [%clk 0:24:59] } 25... Rb4 { [%eval 0.0] [%clk 0:38:44] } 26. Qe4? { [%eval -1.67] } { Mistake. a5 was best. } { [%clk 0:15:40] } 26... Kg7 { [%eval -1.62] [%clk 0:36:36] } 27. Bh5 { [%eval -1.76] [%clk 0:12:36] } 27... Bf5 { [%eval -1.72] [%clk 0:25:40] } 28. Qe7+ { [%eval -1.49] [%clk 0:12:57] } 28... Qxe7?! { [%eval -0.78] } { Inaccuracy. Kg8 was best. } { [%clk 0:24:45] } 29. Rxe7+ { [%eval -1.03] [%clk 0:13:25] } 29... Kg8 { [%eval -0.57] [%clk 0:25:01] } 30. Rbe1 { [%eval -0.75] [%clk 0:12:28] } 30... Rxa4 { [%eval -0.5] [%clk 0:24:48] } 31. Rb7 { [%eval -0.62] [%clk 0:10:28] } 31... Bf6?! { [%eval 0.0] } { Inaccuracy. Rb4 was best. } { [%clk 0:14:35] } 32. Re8 { [%eval 0.0] [%clk 0:10:08] } 32... Rxe8 { [%eval 0.0] [%clk 0:09:03] } 33. Bxe8 { [%eval 0.0] [%clk 0:10:33] } 33... Ra1+ { [%eval 0.0] [%clk 0:09:09] } 34. Kf2 { [%eval 0.0] [%clk 0:10:52] } 34... Bd3 { [%eval 0.0] [%clk 0:08:05] } 35. Bf7+ { [%eval 0.0] [%clk 0:07:11] } 35... Kh8 { [%eval 0.0] [%clk 0:08:03] } 36. Be6 { [%eval 0.0] [%clk 0:06:44] } 36... a5 { [%eval 0.0] [%clk 0:07:18] } 37. Rf7 { [%eval 0.0] [%clk 0:04:46] } 37... Bg7 { [%eval 0.09] [%clk 0:06:24] } 38. Rd7 { [%eval 0.04] [%clk 0:05:10] } 38... Bf6 { [%eval 0.06] [%clk 0:05:18] } 39. Rf7 { [%eval 0.0] [%clk 0:05:34] } 39... Bc3 { [%eval 0.0] [%clk 0:01:54] } 40. Rf8+ { [%eval 0.0] [%clk 0:03:09] } 40... Kh7 { [%eval 0.0] [%clk 0:01:40] } 41. Ke3 { [%eval 0.0] [%clk 0:17:43] } 41... Bxc4 { [%eval 0.0] [%clk 0:29:43] } 42. Rf7+ { [%eval 0.0] [%clk 0:14:49] } 42... Bg7 { [%eval 0.0] [%clk 0:28:42] } 43. Nh4 { [%eval 0.0] [%clk 0:10:16] } 43... Re1+ { [%eval 0.0] [%clk 0:25:52] } 44. Kd2 { [%eval 0.0] [%clk 0:10:43] } 44... Re2+ { [%eval 0.0] [%clk 0:26:02] } 45. Kd1 { [%eval 0.0] [%clk 0:11:09] } 45... h5 { [%eval 0.0] [%clk 0:20:33] } 46. Bf5+ { [%eval -0.16] [%clk 0:06:36] } 46... Kg8 { [%eval -0.17] [%clk 0:19:04] } 47. Be6 { [%eval -0.06] [%clk 0:07:01] } 47... Rxe6 { [%eval -0.05] [%clk 0:15:55] } 48. dxe6 { [%eval -0.07] [%clk 0:07:29] } 48... Bxe6 { [%eval -0.06] [%clk 0:16:24] } 49. Ra7 { [%eval -0.13] [%clk 0:07:16] } 49... a4 { [%eval -0.11] [%clk 0:16:31] } 50. Kc1 { [%eval -0.14] [%clk 0:05:47] } 50... Bb3 { [%eval 0.0] [%clk 0:16:34] } 51. Nf5 { [%eval -0.02] [%clk 0:06:12] } 51... Bf8 { [%eval 0.2] [%clk 0:14:41] } 52. Ne7+ { [%eval -0.08] [%clk 0:05:46] } 52... Kf7 { [%eval -0.1] [%clk 0:13:49] } 53. Nd5+ { [%eval -0.08] [%clk 0:06:11] } 53... Ke6 { [%eval 0.0] [%clk 0:13:49] } 54. Nc3 { [%eval -0.07] [%clk 0:06:36] } 54... Bh6+ { [%eval -0.02] [%clk 0:08:09] } 55. Kb1 { [%eval -0.32] [%clk 0:07:02] } 55... Bf4 { [%eval -0.09] [%clk 0:07:48] } 56. g3 { [%eval -0.13] [%clk 0:06:44] } 56... Be5 { [%eval -0.03] [%clk 0:07:07] } 57. Nxa4 { [%eval -0.08] [%clk 0:07:00] } 57... c4 { [%eval 0.0] [%clk 0:05:49] } 58. Nb2?! { [%eval -0.7] } { Inaccuracy. Kc1 was best. } { [%clk 0:06:11] } 58... d5 { [%eval -0.18] [%clk 0:05:54] } 59. Rh7 { [%eval -0.43] [%clk 0:02:00] } 59... d4 { [%eval -0.43] [%clk 0:06:19] } 60. Rxh5?? { [%eval -2.99] } { Blunder. Rb7 was best. } { [%clk 0:01:11] } 60... d3 { [%eval -2.96] [%clk 0:06:48] } 61. Rh6+ { [%eval -2.91] [%clk 0:00:38] } 61... Kd5 { [%eval -2.83] [%clk 0:03:54] } 62. Rh7 { [%eval -2.85] [%clk 0:00:37] } 62... Ke6 { [%eval -3.04] [%clk 0:02:22] } 63. Rh6+ { [%eval -3.04] [%clk 0:00:41] } 63... Ke7 { [%eval -2.92] [%clk 0:02:45] } 64. Rh7+ { [%eval -2.96] [%clk 0:00:42] } 64... Kd6 { [%eval -2.65] [%clk 0:02:52] } 65. Rh6+ { [%eval -2.64] [%clk 0:00:44] } 65... Kc5 { [%eval -2.65] [%clk 0:03:15] } 66. Rh5 { [%eval -2.5] [%clk 0:00:47] } 66... Kd4 { [%eval -2.51] [%clk 0:03:44] } 67. Kc1 { [%eval -2.47] [%clk 0:00:58] } 67... Bd6?? { [%eval 0.0] } { Blunder. Bf6 was best. } { [%clk 0:04:13] } 68. Rh4+ { [%eval 0.0] [%clk 0:00:54] } 68... Kc3 { [%eval 0.0] [%clk 0:04:38] } 69. Nxc4?? { [%eval #-19] } { Checkmate is now unavoidable. Nd1+ was best. } { [%clk 0:00:47] } 69... Bxc4 { [%eval #-16] [%clk 0:04:53] } 70. Rxc4+ { [%eval #-16] [%clk 0:01:13] } 70... Kxc4 { [%eval #-16] [%clk 0:05:17] } 71. Kd2 { [%eval #-17] [%clk 0:01:29] } 71... Bb4+ { [%eval #-17] [%clk 0:05:29] } 72. Kd1 { [%eval #-15] [%clk 0:01:54] } 72... Kc3 { [%eval #-14] [%clk 0:05:38] } 73. h4 { [%eval #-14] [%clk 0:02:16] } 73... d2 { [%eval #-13] [%clk 0:05:40] } 74. g4 { [%eval #-14] [%clk 0:02:24] } 74... Be7 { [%eval #-12] [%clk 0:05:53] } 75. g5 { [%eval #-12] [%clk 0:02:42] } 75... Bd8 { [%eval #-11] [%clk 0:06:19] } 76. g6 { [%eval #-11] [%clk 0:02:57] } 76... Bf6 { [%eval #-11] [%clk 0:06:45] } 0-1