Event: British Chess Championships 2023: Championship
Site: The Venue, De Montfort University, United Kingdom
White: Chan, Sheng Liang Bernard
WhiteElo: 2078
Black: Koiza, Peter
BlackElo: 1963
Result: 1/2-1/2
ECO: E11
Opening: Bogo-Indian Defense: Vitolins Variation
Variant: Standard
TimeControl: 40 moves in 90 mins + 30 mins + 30 secondss added from move 1

1. d4 { [%eval 0.3] [%clk 1:30:56] } 1... Nf6 { [%eval 0.28] [%clk 1:30:46] } 2. c4 { [%eval 0.16] [%clk 1:31:15] } 2... e6 { [%eval 0.23] [%clk 1:31:01] } 3. Nf3 { [%eval 0.0] [%clk 1:31:36] } 3... Bb4+ { [%eval 0.43] [%clk 1:30:52] } 4. Bd2 { [%eval 0.21] [%clk 1:31:53] } 4... c5 { [%eval 0.61] [%clk 1:30:24] } 5. e3 { [%eval 0.28] [%clk 1:30:18] } 5... b6 { [%eval 0.57] [%clk 1:29:11] } 6. Bd3 { [%eval 0.1] [%clk 1:27:16] } 6... Bb7 { [%eval 0.42] [%clk 1:28:47] } 7. Bxb4 { [%eval 0.45] [%clk 1:27:01] } 7... cxb4 { [%eval 0.7] [%clk 1:29:10] } 8. Nbd2 { [%eval 0.51] [%clk 1:27:27] } 8... a5 { [%eval 0.43] [%clk 1:27:54] } 9. e4 { [%eval 0.62] [%clk 1:26:23] } 9... d6 { [%eval 0.5] [%clk 1:27:32] } 10. O-O { [%eval 0.63] [%clk 1:24:23] } 10... O-O { [%eval 0.56] [%clk 1:26:03] } 11. a3 { [%eval 0.37] [%clk 1:24:03] } 11... Na6 { [%eval 0.43] [%clk 1:25:48] } 12. Qe2 { [%eval 0.42] [%clk 1:22:32] } 12... e5 { [%eval 0.37] [%clk 1:25:06] } 13. c5 { [%eval 0.22] [%clk 1:18:17] } 13... bxc5 { [%eval 0.26] [%clk 1:17:03] } 14. dxe5 { [%eval 0.26] [%clk 1:18:42] } 14... dxe5 { [%eval 0.25] [%clk 1:17:06] } 15. Nxe5 { [%eval 0.27] [%clk 1:18:53] } 15... Re8?! { [%eval 1.24] } { Inaccuracy. Nc7 was best. } { [%clk 1:15:40] } 16. Ndf3?? { [%eval -0.45] } { Blunder. f4 was best. } { [%clk 1:16:21] } 16... Qc7 { [%eval -0.61] [%clk 1:02:06] } 17. Rad1 { [%eval -0.51] [%clk 1:08:59] } 17... Rxe5 { [%eval -0.47] [%clk 0:57:16] } 18. Nxe5 { [%eval -0.48] [%clk 1:09:24] } 18... Qxe5 { [%eval -0.53] [%clk 0:57:32] } 19. f4 { [%eval -0.41] [%clk 1:09:48] } 19... Qd4+ { [%eval -0.4] [%clk 0:45:28] } 20. Kh1 { [%eval -0.45] [%clk 1:10:17] } 20... c4 { [%eval -0.54] [%clk 0:29:24] } 21. Bb1?! { [%eval -1.57] } { Inaccuracy. Bxc4 was best. } { [%clk 0:50:59] } 21... Qc5 { [%eval -1.54] [%clk 0:29:36] } 22. e5 { [%eval -1.54] [%clk 0:50:43] } 22... Re8 { [%eval -1.54] [%clk 0:28:10] } 23. Rfe1 { [%eval -1.77] [%clk 0:41:04] } 23... Nd5 { [%eval -1.85] [%clk 0:18:54] } 24. Qe4 { [%eval -2.1] [%clk 0:40:47] } 24... g6 { [%eval -1.73] [%clk 0:19:13] } 25. f5 { [%eval -2.45] [%clk 0:40:48] } 25... Nc3 { [%eval -2.33] [%clk 0:15:22] } 26. Qxb7 { [%eval -2.24] [%clk 0:40:16] } 26... Nxd1 { [%eval -2.19] [%clk 0:15:43] } 27. Rxd1 { [%eval -2.05] [%clk 0:38:02] } 27... Qxe5 { [%eval -2.29] [%clk 0:16:02] } 28. h3 { [%eval -2.1] [%clk 0:37:55] } 28... Nc5 { [%eval -1.62] [%clk 0:15:28] } 29. Qf3?! { [%eval -2.9] } { Inaccuracy. Qc6 was best. } { [%clk 0:33:48] } 29... Qxb2?? { [%eval -0.23] } { Blunder. Qe2 was best. } { [%clk 0:14:08] } 30. fxg6 { [%eval -0.3] [%clk 0:33:46] } 30... hxg6 { [%eval -0.36] [%clk 0:14:06] } 31. Rf1?! { [%eval -1.44] } { Inaccuracy. Bxg6 was best. } { [%clk 0:32:06] } 31... Qg7 { [%eval -1.58] [%clk 0:11:50] } 32. axb4 { [%eval -1.45] [%clk 0:32:32] } 32... axb4 { [%eval -1.65] [%clk 0:11:53] } 33. Qd5 { [%eval -1.64] [%clk 0:30:41] } 33... Ne6 { [%eval -1.66] [%clk 0:10:29] } 34. Qxc4 { [%eval -1.69] [%clk 0:30:27] } 34... Qd4?! { [%eval -0.95] } { Inaccuracy. Rb8 was best. } { [%clk 0:08:12] } 35. Qc6?! { [%eval -2.05] } { Inaccuracy. Qb5 was best. } { [%clk 0:24:32] } 35... Re7 { [%eval -2.21] [%clk 0:07:13] } 36. Ba2 { [%eval -2.06] [%clk 0:23:53] } 36... Qc3?? { [%eval -0.15] } { Blunder. Kg7 was best. } { [%clk 0:06:13] } 37. Qd6 { [%eval -0.25] [%clk 0:16:11] } 37... Qc5 { [%eval -0.26] [%clk 0:06:04] } 38. Qg3? { [%eval -1.72] } { Mistake. Qb8+ was best. } { [%clk 0:14:09] } 38... Qc3? { [%eval -0.26] } { Mistake. Kg7 was best. } { [%clk 0:04:11] } 39. Qd6 { [%eval -0.14] [%clk 0:13:54] } 39... Qc5 { [%eval -0.31] [%clk 0:03:56] } 40. Qg3? { [%eval -1.77] } { Mistake. Qb8+ was best. } { [%clk 0:14:18] } 40... Qa7?? { [%eval -0.04] } { Blunder. Kg7 was best. } { [%clk 0:00:45] } 41. Bb3 { [%eval -0.55] [%clk 0:12:40] } 41... Qd4 { [%eval -0.96] [%clk 0:28:14] } 1/2-1/2