Event: Round 3: Narayanan S L - Koster, Ramon
Date: 2024-12-23
White: Narayanan S L
WhiteTitle: GM
WhiteElo: 2647
Black: Koster, Ramon
BlackTitle: FM
BlackElo: 2330
Result: 1-0
ECO: A34
Opening: English Opening: Symmetrical Variation, Rubinstein Variation
Variant: Standard

1. Nf3 { [%eval 0.14] [%clk 1:30:47] } 1... Nf6 { [%eval 0.18] [%clk 1:30:37] } 2. c4 { [%eval 0.12] [%clk 1:31:06] } 2... c5 { [%eval 0.26] [%clk 1:30:22] } 3. Nc3 { [%eval 0.19] [%clk 1:31:21] } 3... Nc6 { [%eval 0.18] [%clk 1:30:28] } 4. g3 { [%eval 0.11] [%clk 1:31:20] } 4... d5 { [%eval 0.25] [%clk 1:30:01] } 5. cxd5 { [%eval 0.05] [%clk 1:31:33] } 5... Nxd5 { [%eval 0.01] [%clk 1:30:22] } 6. Bg2 { [%eval 0.0] [%clk 1:31:56] } 6... Nc7 { [%eval 0.0] [%clk 1:29:45] } 7. a3 { [%eval 0.14] [%clk 1:32:10] } 7... g6 { [%eval 0.16] [%clk 1:29:25] } 8. Na4 { [%eval -0.17] [%clk 1:28:22] } 8... Ne6 { [%eval -0.18] [%clk 1:21:58] } 9. O-O { [%eval -0.18] [%clk 1:26:55] } 9... Bg7 { [%eval -0.18] [%clk 1:21:37] } 10. d3 { [%eval -0.16] [%clk 1:27:08] } 10... O-O { [%eval -0.22] [%clk 1:14:52] } 11. Ng5 { [%eval -0.63] [%clk 1:17:43] } 11... Nxg5?! { [%eval 0.19] } { Inaccuracy. Ncd4 was best. } { [%clk 0:44:41] } 12. Bxg5 { [%eval 0.16] [%clk 1:17:57] } 12... Nd4 { [%eval 0.15] [%clk 0:41:46] } 13. Re1 { [%eval 0.19] [%clk 0:44:46] } 13... Be6?! { [%eval 1.2] } { Inaccuracy. Ne6 was best. } { [%clk 0:34:23] } 14. Nxc5 { [%eval 1.11] [%clk 0:44:53] } 14... Bd5 { [%eval 1.16] [%clk 0:34:40] } 15. Nxb7 { [%eval 1.25] [%clk 0:32:55] } 15... Bxb7 { [%eval 1.03] [%clk 0:11:02] } 16. Bxb7 { [%eval 1.21] [%clk 0:33:19] } 16... Rb8 { [%eval 1.22] [%clk 0:11:25] } 17. Be4 { [%eval 1.29] [%clk 0:33:35] } 17... Rxb2 { [%eval 1.27] [%clk 0:11:13] } 18. Rb1 { [%eval 1.08] [%clk 0:33:16] } 18... Rxb1 { [%eval 1.23] [%clk 0:08:53] } 19. Qxb1 { [%eval 1.13] [%clk 0:33:39] } 19... h6 { [%eval 1.13] [%clk 0:07:15] } 20. Bd2 { [%eval 1.25] [%clk 0:33:31] } 20... Qd6 { [%eval 1.3] [%clk 0:06:29] } 21. Bb4 { [%eval 1.31] [%clk 0:32:11] } 21... Qe6?! { [%eval 2.51] } { Inaccuracy. Qc7 was best. } { [%clk 0:06:52] } 22. e3 { [%eval 2.27] [%clk 0:31:32] } 22... Nb3 { [%eval 2.59] [%clk 0:05:12] } 23. Bxe7? { [%eval 1.08] } { Mistake. d4 was best. } { [%clk 0:30:05] } 23... Re8 { [%eval 0.91] [%clk 0:05:21] } 24. Bb4?! { [%eval 0.07] } { Inaccuracy. Bd6 was best. } { [%clk 0:26:05] } 24... a5 { [%eval 0.05] [%clk 0:05:22] } 25. Bxa5 { [%eval 0.09] [%clk 0:26:22] } 25... Nxa5 { [%eval 0.1] [%clk 0:05:44] } 26. Qb5 { [%eval -0.3] [%clk 0:26:39] } 26... Rc8 { [%eval 0.1] [%clk 0:02:04] } 27. Bd5 { [%eval 0.02] [%clk 0:21:22] } 27... Qe8 { [%eval 0.14] [%clk 0:01:19] } 28. Rb1 { [%eval 0.06] [%clk 0:14:51] } 28... Qxb5 { [%eval 0.06] [%clk 0:01:03] } 29. Rxb5 { [%eval 0.0] [%clk 0:15:17] } 29... Nc6 { [%eval 0.15] [%clk 0:01:33] } 30. a4 { [%eval 0.04] [%clk 0:14:40] } 30... Ne7 { [%eval 0.15] [%clk 0:00:50] } 31. Bc4 { [%eval 0.19] [%clk 0:14:03] } 31... Rc7 { [%eval 0.28] [%clk 0:01:07] } 32. a5 { [%eval 0.27] [%clk 0:14:06] } 32... Nc8 { [%eval 0.29] [%clk 0:01:13] } 33. a6 { [%eval 0.2] [%clk 0:13:28] } 33... Bf8 { [%eval 0.2] [%clk 0:01:35] } 34. Rb8 { [%eval 0.33] [%clk 0:10:10] } 34... Na7?! { [%eval 0.92] } { Inaccuracy. Kg7 was best. } { [%clk 0:00:42] } 35. Kg2 { [%eval 0.54] [%clk 0:10:15] } 35... Kg7 { [%eval 0.58] [%clk 0:01:02] } 36. f4 { [%eval 0.08] [%clk 0:10:09] } 36... Bc5 { [%eval 0.03] [%clk 0:00:58] } 37. Kf3 { [%eval 0.08] [%clk 0:10:26] } 37... Nc6 { [%eval 0.02] [%clk 0:01:02] } 38. Rb5 { [%eval 0.0] [%clk 0:10:04] } 38... Ba7 { [%eval -0.02] [%clk 0:01:13] } 39. Rd5 { [%eval -0.01] [%clk 0:02:50] } 39... Nb4 { [%eval 0.0] [%clk 0:00:56] } 40. Rd8 { [%eval 0.0] [%clk 0:01:52] } 40... Nc6 { [%eval 0.02] [%clk 0:00:50] } 41. Ra8 { [%eval 0.0] [%clk 0:27:25] } 41... Nb4 { [%eval 0.0] [%clk 0:22:04] } 42. Re8 { [%eval 0.0] [%clk 0:25:14] } 42... Nc6 { [%eval 0.0] [%clk 0:16:49] } 43. Bb5 { [%eval 0.0] [%clk 0:25:09] } 43... Ne7 { [%eval 0.04] [%clk 0:16:00] } 44. d4 { [%eval 0.07] [%clk 0:23:56] } 44... Nf5 { [%eval 0.0] [%clk 0:10:52] } 45. Bd3 { [%eval 0.04] [%clk 0:14:57] } 45... Re7 { [%eval 0.0] [%clk 0:09:42] } 46. Rxe7 { [%eval 0.09] [%clk 0:15:06] } 46... Nxe7 { [%eval 0.03] [%clk 0:10:10] } 47. Ke4 { [%eval 0.0] [%clk 0:15:19] } 47... Kf8 { [%eval 0.06] [%clk 0:08:06] } 48. Bb5 { [%eval 0.06] [%clk 0:15:18] } 48... Nf5 { [%eval 0.48] [%clk 0:07:21] } 49. Bd7 { [%eval 0.54] [%clk 0:15:43] } 49... Nd6+ { [%eval 0.61] [%clk 0:06:49] } 50. Kd5 { [%eval 0.63] [%clk 0:15:29] } 50... Ke7 { [%eval 0.75] [%clk 0:07:11] } 51. Bh3 { [%eval 0.59] [%clk 0:15:37] } 51... f5 { [%eval 0.64] [%clk 0:06:48] } 52. Bf1 { [%eval 0.49] [%clk 0:15:42] } 52... Kd7 { [%eval 0.58] [%clk 0:04:05] } 53. Bd3 { [%eval 0.73] [%clk 0:16:04] } 53... Ke7?? { [%eval 3.74] } { Blunder. h5 was best. } { [%clk 0:02:13] } 54. Kc6 { [%eval 3.97] [%clk 0:15:00] } 54... Ke6 { [%eval 4.23] [%clk 0:02:26] } 55. Bc2 { [%eval 3.98] [%clk 0:15:26] } 55... Nc8?! { [%eval 5.28] } { Inaccuracy. Bb8 was best. } { [%clk 0:00:58] } 56. Bb3+ { [%eval 5.47] [%clk 0:15:01] } 56... Ke7 { [%eval 5.45] [%clk 0:01:22] } 57. Kb7 { [%eval 5.4] [%clk 0:14:21] } 57... Kd8 { [%eval 5.22] [%clk 0:01:34] } 58. Be6 { [%eval 5.32] [%clk 0:14:39] } 58... Nd6+ { [%eval 5.34] [%clk 0:01:54] } 59. Kc6?! { [%eval 4.0] } { Inaccuracy. Kxa7 was best. } { [%clk 0:13:18] } 59... Ke7 { [%eval 3.77] [%clk 0:02:12] } 60. Bd5 { [%eval 3.56] [%clk 0:13:44] } 60... Nc8?! { [%eval 4.97] } { Inaccuracy. Bb8 was best. } { [%clk 0:01:11] } 61. Bf7 { [%eval 5.09] [%clk 0:12:36] } 61... Kd8 { [%eval 5.58] [%clk 0:01:12] } 62. Be6 { [%eval 5.52] [%clk 0:11:26] } 62... Nb6 { [%eval 6.26] [%clk 0:00:52] } 63. Kb7 { [%eval 6.22] [%clk 0:11:43] } 63... Na4 { [%eval 5.8] [%clk 0:01:04] } 64. Kxa7 { [%eval 6.12] [%clk 0:10:27] } 64... Kc7 { [%eval 6.08] [%clk 0:01:26] } 65. d5 { [%eval 6.05] [%clk 0:10:45] } 65... Nc5 { [%eval 5.29] [%clk 0:01:10] } 66. d6+ { [%eval 6.34] [%clk 0:10:53] } 66... Kxd6 { [%eval 5.54] [%clk 0:01:13] } 67. Bf7 { [%eval 5.6] [%clk 0:11:04] } 67... Kc7 { [%eval 6.19] [%clk 0:00:39] } 68. Bxg6 { [%eval 5.89] [%clk 0:11:30] } 68... Ne6 { [%eval 6.7] [%clk 0:00:32] } 69. Bxf5 { [%eval 6.35] [%clk 0:11:54] } 69... Ng7?! { [%eval 9.39] } { Inaccuracy. Nc5 was best. } { [%clk 0:00:32] } 70. e4 { [%eval 9.18] [%clk 0:11:56] } 70... Nh5 { [%eval 11.23] [%clk 0:00:37] } 71. e5 { [%eval 10.07] [%clk 0:12:21] } 71... Ng7 { [%eval 10.01] [%clk 0:01:04] } 72. Bd7 { [%eval 9.01] [%clk 0:12:46] } 72... Nh5? { [%eval #20] } { Checkmate is now unavoidable. h5 was best. } { [%clk 0:01:26] } 73. f5 { [%eval 14.41] [%clk 0:13:11] } 1-0