Event: Round 1: Peter J Sowray - Sergei Tiviakov
Date: 2024-02-19
White: Peter J Sowray
WhiteTitle: FM
WhiteElo: 2187
Black: Sergei Tiviakov
BlackTitle: GM
BlackElo: 2534
Result: 0-1
ECO: E20
Opening: Nimzo-Indian Defense: Kmoch Variation
Variant: Standard

1. d4 { [%eval 0.15] [%clk 1:30:55] } 1... Nf6 { [%eval 0.16] [%clk 1:30:55] } 2. c4 { [%eval 0.16] [%clk 1:31:18] } 2... e6 { [%eval 0.21] [%clk 1:31:19] } 3. Nc3 { [%eval 0.05] [%clk 1:31:41] } 3... Bb4 { [%eval 0.17] [%clk 1:31:43] } 4. f3 { [%eval 0.0] [%clk 1:32:05] } 4... O-O { [%eval 0.15] [%clk 1:30:53] } 5. a3 { [%eval 0.21] [%clk 1:32:14] } 5... Bxc3+ { [%eval 0.0] [%clk 1:31:17] } 6. bxc3 { [%eval 0.0] [%clk 1:32:36] } 6... Nh5 { [%eval 0.17] [%clk 1:29:48] } 7. Nh3 { [%eval 0.29] [%clk 1:31:24] } 7... f5 { [%eval 0.36] [%clk 1:30:13] } 8. e4 { [%eval 0.35] [%clk 1:30:03] } 8... fxe4 { [%eval 0.73] [%clk 1:30:32] } 9. Bg5 { [%eval 0.75] [%clk 1:30:22] } 9... Nf6 { [%eval 0.95] [%clk 1:29:33] } 10. fxe4 { [%eval 0.74] [%clk 1:28:01] } 10... d6 { [%eval 0.67] [%clk 1:29:51] } 11. Bd3?! { [%eval -0.19] } { Inaccuracy. e5 was best. } { [%clk 1:20:48] } 11... e5 { [%eval -0.17] [%clk 1:30:09] } 12. O-O?! { [%eval -0.82] } { Inaccuracy. Nf2 was best. } { [%clk 1:18:43] } 12... Bxh3 { [%eval -0.86] [%clk 1:19:03] } 13. gxh3 { [%eval -0.85] [%clk 1:19:01] } 13... Nc6 { [%eval -0.65] [%clk 1:19:32] } 14. d5 { [%eval -0.91] [%clk 1:07:26] } 14... Ne7 { [%eval -0.92] [%clk 1:14:21] } 15. Ra2 { [%eval -0.94] [%clk 1:06:51] } 15... Kh8 { [%eval -0.82] [%clk 1:07:26] } 16. Raf2 { [%eval -0.83] [%clk 1:04:57] } 16... Ng6 { [%eval -0.56] [%clk 1:07:25] } 17. h4 { [%eval -0.63] [%clk 0:54:41] } 17... Qe7 { [%eval -0.13] [%clk 1:03:57] } 18. Qd2 { [%eval -0.58] [%clk 0:44:23] } 18... Nf4 { [%eval -0.2] [%clk 0:53:49] } 19. Bxf4 { [%eval -0.18] [%clk 0:40:33] } 19... exf4 { [%eval -0.15] [%clk 0:54:12] } 20. Qxf4 { [%eval -0.25] [%clk 0:39:41] } 20... Rae8 { [%eval -0.17] [%clk 0:54:29] } 21. Qg5 { [%eval -0.11] [%clk 0:37:28] } 21... Qe5 { [%eval -0.19] [%clk 0:50:39] } 22. Qd2 { [%eval -0.6] [%clk 0:31:56] } 22... Qh5 { [%eval -0.09] [%clk 0:43:33] } 23. Rf4?! { [%eval -0.68] } { Inaccuracy. Qg5 was best. } { [%clk 0:30:43] } 23... b6 { [%eval -0.6] [%clk 0:43:00] } 24. Qf2 { [%eval -0.82] [%clk 0:28:02] } 24... Re7 { [%eval -0.45] [%clk 0:41:49] } 25. Rf5 { [%eval -0.64] [%clk 0:23:39] } 25... Qe8 { [%eval -0.82] [%clk 0:42:14] } 26. Bc2 { [%eval -0.76] [%clk 0:20:42] } 26... Re5 { [%eval -0.76] [%clk 0:40:10] } 27. Rf4 { [%eval -0.64] [%clk 0:20:05] } 27... Kg8 { [%eval -0.34] [%clk 0:37:03] } 28. Kh1 { [%eval -0.85] [%clk 0:19:20] } 28... Qe7 { [%eval -0.95] [%clk 0:36:59] } 29. Qg2 { [%eval -0.98] [%clk 0:18:42] } 29... Nd7 { [%eval -0.74] [%clk 0:30:16] } 30. Rxf8+ { [%eval -0.87] [%clk 0:18:59] } 30... Nxf8 { [%eval -0.89] [%clk 0:30:44] } 31. Qg4 { [%eval -0.96] [%clk 0:19:17] } 31... Qe8 { [%eval -0.92] [%clk 0:31:07] } 32. Rf2 { [%eval -0.81] [%clk 0:15:39] } 32... Re7 { [%eval -0.92] [%clk 0:26:52] } 33. Kg2 { [%eval -0.95] [%clk 0:14:45] } 33... Ng6 { [%eval -0.72] [%clk 0:25:54] } 34. Kg3?! { [%eval -1.46] } { Inaccuracy. h5 was best. } { [%clk 0:11:57] } 34... Ne5 { [%eval -1.2] [%clk 0:26:12] } 35. Qe2? { [%eval -2.71] } { Mistake. Qf5 was best. } { [%clk 0:11:44] } 35... Qg6+ { [%eval -2.76] [%clk 0:24:10] } 36. Kh3 { [%eval -2.75] [%clk 0:12:09] } 36... Rf7 { [%eval -2.68] [%clk 0:24:19] } 37. Rf5 { [%eval -2.77] [%clk 0:10:29] } 37... Qg1?! { [%eval -1.8] } { Inaccuracy. Rxf5 was best. } { [%clk 0:22:31] } 38. Rxf7 { [%eval -1.6] [%clk 0:09:03] } 38... Kxf7 { [%eval -1.7] [%clk 0:22:53] } 39. h5?? { [%eval -5.01] } { Blunder. Qh5+ was best. } { [%clk 0:08:40] } 39... Kf6?! { [%eval -3.3] } { Inaccuracy. g5 was best. } { [%clk 0:22:07] } 40. Bd1?! { [%eval -4.51] } { Inaccuracy. Bd3 was best. } { [%clk 0:07:46] } 40... Ke7?! { [%eval -2.91] } { Inaccuracy. g5 was best. } { [%clk 0:19:43] } 41. Bc2 { [%eval -2.86] [%clk 0:06:08] } 41... h6 { [%eval -2.95] [%clk 0:19:51] } 42. Bd1 { [%eval -2.89] [%clk 0:05:39] } 42... Nf7 { [%eval -2.87] [%clk 0:19:43] } 43. Bc2 { [%eval -3.45] [%clk 0:05:53] } 43... Ng5+ { [%eval -3.35] [%clk 0:18:28] } 44. Kh4 { [%eval -3.27] [%clk 0:06:21] } 44... Kf6 { [%eval -3.46] [%clk 0:18:49] } 45. Bd1 { [%eval -3.89] [%clk 0:04:33] } 45... Ke5 { [%eval -3.96] [%clk 0:16:12] } 46. Bc2 { [%eval -3.92] [%clk 0:04:45] } 46... Nh7 { [%eval -3.78] [%clk 0:15:41] } 47. Bd1 { [%eval -3.45] [%clk 0:04:00] } 47... Nf6 { [%eval -3.3] [%clk 0:15:51] } 48. c5?! { [%eval -4.85] } { Inaccuracy. Kh3 was best. } { [%clk 0:03:40] } 48... bxc5 { [%eval -4.69] [%clk 0:14:32] } 49. c4 { [%eval -4.89] [%clk 0:03:34] } 49... Nxe4 { [%eval -5.03] [%clk 0:14:09] } 50. Bc2 { [%eval -5.05] [%clk 0:02:30] } 50... Qf2+ { [%eval -4.92] [%clk 0:14:21] } 51. Qxf2 { [%eval -4.93] [%clk 0:02:18] } 51... Nxf2 { [%eval -4.75] [%clk 0:14:49] } 0-1