Event: Round 4: Vaidyanathan, Sathya - Burrows, Martin P
Date: 2025-07-06
White: Vaidyanathan, Sathya
WhiteElo: 1878
Black: Burrows, Martin P
BlackElo: 2057
Result: 1/2-1/2
ECO: B23
Opening: Sicilian Defense: Closed, Traditional
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:55] } 1... c5 { [%eval 0.25] [%clk 1:30:51] } 2. Nc3 { [%eval 0.26] [%clk 1:31:21] } 2... Nc6 { [%eval 0.16] [%clk 1:31:16] } 3. Bb5 { [%eval 0.0] [%clk 1:31:48] } 3... Nd4 { [%eval 0.0] [%clk 1:31:36] } 4. Nf3 { [%eval 0.0] [%clk 1:32:14] } 4... Nxb5 { [%eval 0.18] [%clk 1:31:48] } 5. Nxb5 { [%eval 0.0] [%clk 1:32:39] } 5... d6 { [%eval 0.13] [%clk 1:31:56] } 6. d4 { [%eval 0.1] [%clk 1:32:57] } 6... Nf6 { [%eval 0.13] [%clk 1:32:03] } 7. Qd3 { [%eval 0.0] [%clk 1:33:05] } 7... a6 { [%eval 0.0] [%clk 1:31:19] } 8. Nc3 { [%eval 0.15] [%clk 1:33:04] } 8... cxd4 { [%eval -0.02] [%clk 1:31:32] } 9. Nxd4 { [%eval 0.05] [%clk 1:32:51] } 9... e5 { [%eval 0.08] [%clk 1:30:05] } 10. Nf5 { [%eval 0.1] [%clk 1:32:13] } 10... Bxf5 { [%eval 0.19] [%clk 1:30:11] } 11. exf5 { [%eval 0.0] [%clk 1:32:39] } 11... h6 { [%eval 0.0] [%clk 1:30:04] } 12. f4 { [%eval 0.05] [%clk 1:32:53] } 12... Be7 { [%eval 0.31] [%clk 1:23:44] } 13. Bd2 { [%eval 0.38] [%clk 1:32:12] } 13... Qc7 { [%eval 0.61] [%clk 1:12:02] } 14. O-O-O { [%eval 0.47] [%clk 1:22:48] } 14... Rc8 { [%eval 0.53] [%clk 1:11:53] } 15. fxe5?! { [%eval -0.22] } { Inaccuracy. h3 was best. } { [%clk 0:59:32] } 15... dxe5 { [%eval -0.29] [%clk 1:11:58] } 16. Rhe1 { [%eval -0.81] [%clk 0:54:09] } 16... O-O { [%eval -0.88] [%clk 1:11:12] } 17. Qg3 { [%eval -1.23] [%clk 0:50:33] } 17... Kh7 { [%eval -0.87] [%clk 0:55:16] } 18. Qxe5 { [%eval -0.97] [%clk 0:45:26] } 18... Qxe5?! { [%eval 0.0] } { Inaccuracy. Bd6 was best. } { [%clk 0:54:25] } 19. Rxe5 { [%eval 0.02] [%clk 0:45:50] } 19... Bd6 { [%eval 0.23] [%clk 0:54:34] } 20. Re2 { [%eval 0.0] [%clk 0:39:42] } 20... Bxh2 { [%eval 0.0] [%clk 0:52:10] } 21. g4 { [%eval 0.0] [%clk 0:37:48] } 21... Nxg4 { [%eval 0.0] [%clk 0:37:10] } 22. Rg2 { [%eval 0.0] [%clk 0:38:00] } 22... h5 { [%eval 0.5] [%clk 0:36:40] } 23. Rh1 { [%eval 0.45] [%clk 0:38:09] } 23... Rc4 { [%eval 0.59] [%clk 0:32:50] } 24. Rhxh2 { [%eval 0.36] [%clk 0:32:55] } 24... Nxh2 { [%eval 0.49] [%clk 0:33:00] } 25. Rxh2 { [%eval 0.46] [%clk 0:33:22] } 25... h4?! { [%eval 1.04] } { Inaccuracy. g6 was best. } { [%clk 0:25:45] } 26. Bg5 { [%eval 1.14] [%clk 0:29:27] } 26... Rg4?! { [%eval 1.97] } { Inaccuracy. Rh8 was best. } { [%clk 0:25:15] } 27. Bxh4 { [%eval 1.89] [%clk 0:26:15] } 27... Rg1+?! { [%eval 2.92] } { Inaccuracy. Rh8 was best. } { [%clk 0:25:07] } 28. Kd2 { [%eval 2.83] [%clk 0:25:55] } 28... Kg8 { [%eval 3.02] [%clk 0:24:43] } 29. Be7 { [%eval 2.98] [%clk 0:18:35] } 29... Re8 { [%eval 3.42] [%clk 0:19:18] } 30. f6 { [%eval 3.27] [%clk 0:18:16] } 30... Rg6 { [%eval 3.83] [%clk 0:19:07] } 31. Nd5 { [%eval 3.84] [%clk 0:15:40] } 31... Rh6 { [%eval 3.76] [%clk 0:18:49] } 32. Rxh6?! { [%eval 2.47] } { Inaccuracy. Rg2 was best. } { [%clk 0:05:37] } 32... gxh6 { [%eval 2.5] [%clk 0:19:17] } 33. Ne3?? { [%eval 0.36] } { Blunder. Nf4 was best. } { [%clk 0:05:58] } 33... Kh7 { [%eval 0.26] [%clk 0:16:31] } 34. Nf5 { [%eval 1.1] [%clk 0:06:14] } 34... Kg6?! { [%eval 1.74] } { Inaccuracy. Rg8 was best. } { [%clk 0:16:33] } 35. Nd6 { [%eval 1.91] [%clk 0:05:19] } 35... Rh8 { [%eval 1.64] [%clk 0:16:53] } 36. Nxb7? { [%eval 0.0] } { Mistake. Ke3 was best. } { [%clk 0:04:07] } 36... h5 { [%eval 0.08] [%clk 0:16:05] } 37. Bd6 { [%eval 0.0] [%clk 0:01:44] } 37... Kxf6 { [%eval 0.0] [%clk 0:14:18] } 38. c4 { [%eval 0.0] [%clk 0:02:03] } 38... Ke6 { [%eval 0.11] [%clk 0:13:44] } 39. c5 { [%eval 0.0] [%clk 0:01:24] } 39... Kd5 { [%eval 0.0] [%clk 0:13:41] } 40. Na5 { [%eval 0.0] [%clk 0:00:34] } 40... h4 { [%eval -0.03] [%clk 0:12:09] } 41. b4 { [%eval -0.05] [%clk 0:08:18] } 41... h3 { [%eval -0.25] [%clk 0:42:15] } 42. Bh2 { [%eval -0.42] [%clk 0:06:46] } 42... f5 { [%eval 0.0] [%clk 0:35:42] } 43. Ke3 { [%eval 0.0] [%clk 0:00:40] } 43... f4+ { [%eval 0.0] [%clk 0:34:24] } 44. Kxf4 { [%eval 0.0] [%clk 0:00:36] } 44... Rh4+?? { [%eval 3.13] } { Blunder. Rg8 was best. } { [%clk 0:05:01] } 45. Kf3?? { [%eval 0.06] } { Blunder. Kf5 was best. } { [%clk 0:00:37] } 45... Rxb4 { [%eval 0.0] [%clk 0:04:41] } 46. c6 { [%eval 0.12] [%clk 0:00:58] } 46... Re4?? { [%eval 2.06] } { Blunder. Ke6 was best. } { [%clk 0:01:49] } 47. c7 { [%eval 2.22] [%clk 0:01:05] } 47... Re8 { [%eval 2.16] [%clk 0:02:18] } 48. Nb7?? { [%eval 0.0] } { Blunder. Kg4 was best. } { [%clk 0:00:58] } 48... Rc8 { [%eval 0.22] [%clk 0:02:22] } 49. Kg4 { [%eval 0.0] [%clk 0:00:48] } 49... Kc6 { [%eval 0.0] [%clk 0:02:07] } 50. Na5+ { [%eval 0.0] [%clk 0:00:39] } 50... Kd7 { [%eval 0.0] [%clk 0:01:30] } 51. Kxh3 { [%eval 0.06] [%clk 0:00:39] } 51... Rxc7?? { [%eval 5.95] } { Blunder. Rh8+ was best. } { [%clk 0:01:53] } 52. Bxc7 { [%eval 6.49] [%clk 0:00:34] } 52... Kxc7 { [%eval 6.61] [%clk 0:02:22] } 53. Kg3 { [%eval 6.7] [%clk 0:00:50] } 53... Kb6?! { [%eval 14.34] } { Inaccuracy. Kd6 was best. } { [%clk 0:01:41] } 54. Nb3 { [%eval 6.61] [%clk 0:00:48] } 54... Kb5 { [%eval 6.66] [%clk 0:03:05] } 55. Kf3 { [%eval 6.66] [%clk 0:00:36] } 55... Kb4 { [%eval 6.47] [%clk 0:03:20] } 56. Ke3 { [%eval 72.45] [%clk 0:00:42] } 56... Ka3?! { [%eval #42] } { Checkmate is now unavoidable. Ka4 was best. } { [%clk 0:01:23] } 57. Nc1 { [%eval 44.5] [%clk 0:01:00] } 57... Kb2 { [%eval 81.8] [%clk 0:01:52] } 58. Kd2 { [%eval 12.25] [%clk 0:01:24] } 58... a5?! { [%eval #22] } { Checkmate is now unavoidable. Ka3 was best. } { [%clk 0:01:40] } 59. Kd3 { [%eval #23] [%clk 0:00:35] } 59... Kxc1 { [%eval #18] [%clk 0:01:44] } 60. Kc4?? { [%eval 0.0] } { Lost forced checkmate sequence. a4 was best. } { [%clk 0:00:32] } 60... Kd2 { [%eval 0.0] [%clk 0:01:05] } 61. a4 { [%eval 0.0] [%clk 0:00:41] } 61... Ke3 { [%eval 0.0] [%clk 0:01:26] } 62. Kd5 { [%eval 0.0] [%clk 0:00:32] } 62... Kd3 { [%eval 0.0] [%clk 0:01:26] } 63. Kc5 { [%eval 0.0] [%clk 0:00:43] } 63... Ke4 { [%eval 0.0] [%clk 0:01:43] } 64. Kb5 { [%eval 0.0] [%clk 0:00:32] } 64... Kd5 { [%eval 0.0] [%clk 0:02:05] } 65. Kxa5 { [%eval 0.0] [%clk 0:00:44] } 65... Kc5 { [%eval 0.0] [%clk 0:02:27] } 66. Ka6 { [%clk 0:00:37] } 1/2-1/2