Event: British Chess Championships 2023: Championship
Site: The Venue, De Montfort University, United Kingdom
Date: 2023-07-24
White: Koiza, Peter
WhiteElo: 1963
Black: Dong, Bao Nghia
BlackElo: 2327
Result: 0-1
ECO: A65
Opening: Benoni Defense: King's Pawn Line
Variant: Standard
TimeControl: 40 moves in 90 mins + 30 mins + 30 secondss added from move 1

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... Nf6 { [%eval 0.28] [%clk 1:30:31] } 2. c4 { [%eval 0.16] [%clk 1:31:00] } 2... c5?! { [%eval 0.93] } { Inaccuracy. e6 was best. } { [%clk 1:30:56] } 3. d5 { [%eval 0.75] [%clk 1:30:36] } 3... e6 { [%eval 0.6] [%clk 1:30:22] } 4. Nc3 { [%eval 0.48] [%clk 1:27:48] } 4... exd5 { [%eval 0.87] [%clk 1:30:46] } 5. cxd5 { [%eval 0.29] [%clk 1:28:11] } 5... d6 { [%eval 0.89] [%clk 1:31:12] } 6. e4 { [%eval 0.74] [%clk 1:23:13] } 6... g6 { [%eval 0.89] [%clk 1:29:30] } 7. f3?! { [%eval 0.18] } { Inaccuracy. f4 was best. } { [%clk 1:14:05] } 7... Bg7 { [%eval 0.0] [%clk 1:29:08] } 8. Nge2 { [%eval 0.29] [%clk 1:14:10] } 8... O-O { [%eval 0.34] [%clk 1:28:46] } 9. Ng3 { [%eval 0.5] [%clk 1:13:45] } 9... Nbd7 { [%eval 0.35] [%clk 1:24:45] } 10. Be2 { [%eval 0.5] [%clk 1:13:28] } 10... a6 { [%eval 0.34] [%clk 1:25:06] } 11. a4 { [%eval 0.45] [%clk 1:12:54] } 11... b6 { [%eval 0.8] [%clk 1:24:33] } 12. O-O { [%eval 0.68] [%clk 1:11:45] } 12... Rb8 { [%eval 0.69] [%clk 1:24:07] } 13. f4?! { [%eval 0.06] } { Inaccuracy. Bf4 was best. } { [%clk 1:03:02] } 13... Ne8?! { [%eval 0.69] } { Inaccuracy. h5 was best. } { [%clk 1:23:41] } 14. Bc4?! { [%eval -0.1] } { Inaccuracy. Be3 was best. } { [%clk 0:47:57] } 14... Nc7 { [%eval 0.06] [%clk 1:13:59] } 15. Qd3 { [%eval -0.23] [%clk 0:41:30] } 15... b5 { [%eval 0.2] [%clk 1:13:53] } 16. axb5 { [%eval 0.11] [%clk 0:41:27] } 16... axb5 { [%eval 0.01] [%clk 1:14:20] } 17. Nxb5 { [%eval 0.01] [%clk 0:38:44] } 17... Nb6 { [%eval 0.2] [%clk 1:14:43] } 18. Na7 { [%eval 0.06] [%clk 0:28:13] } 18... Bd7 { [%eval 0.11] [%clk 1:15:03] } 19. Nc6 { [%eval -0.18] [%clk 0:27:42] } 19... Bxc6 { [%eval -0.15] [%clk 1:15:26] } 20. dxc6 { [%eval -0.24] [%clk 0:28:08] } 20... Nxc4 { [%eval -0.28] [%clk 1:15:37] } 21. Qxc4 { [%eval -0.19] [%clk 0:28:31] } 21... Rb4 { [%eval -0.03] [%clk 1:16:00] } 22. Qd3 { [%eval -0.09] [%clk 0:27:09] } 22... d5 { [%eval 0.06] [%clk 1:14:01] } 23. exd5 { [%eval -0.2] [%clk 0:25:39] } 23... Nxd5 { [%eval -0.09] [%clk 1:14:23] } 24. Qf3 { [%eval -0.12] [%clk 0:22:20] } 24... Qd6 { [%eval -0.16] [%clk 1:12:55] } 25. Ne4 { [%eval -0.28] [%clk 0:21:05] } 25... Qxc6 { [%eval -0.19] [%clk 1:12:58] } 26. Nc3 { [%eval -0.58] [%clk 0:20:31] } 26... Ne7 { [%eval -0.52] [%clk 1:13:05] } 27. Qxc6 { [%eval -0.65] [%clk 0:18:27] } 27... Nxc6 { [%eval -0.62] [%clk 1:12:54] } 28. Ra6 { [%eval -0.76] [%clk 0:18:06] } 28... Nd4 { [%eval -0.77] [%clk 1:13:18] } 29. Re1 { [%eval -0.71] [%clk 0:16:19] } 29... Ne6 { [%eval -0.64] [%clk 1:12:25] } 30. f5 { [%eval -0.6] [%clk 0:11:33] } 30... gxf5 { [%eval -0.5] [%clk 1:12:48] } 31. Nd5 { [%eval -0.65] [%clk 0:11:48] } 31... Rb7 { [%eval -0.63] [%clk 1:13:10] } 32. Rf1 { [%eval -0.61] [%clk 0:10:37] } 32... Rd8 { [%eval -0.49] [%clk 1:12:30] } 33. Rxf5 { [%eval -0.7] [%clk 0:03:58] } 33... Rbd7 { [%eval -0.75] [%clk 1:12:53] } 34. Ne3 { [%eval -0.73] [%clk 0:03:21] } 34... Nd4 { [%eval -0.61] [%clk 1:12:56] } 35. Rxc5 { [%eval -0.45] [%clk 0:02:40] } 35... Nb3 { [%eval -0.45] [%clk 1:13:03] } 36. Rc4?! { [%eval -1.33] } { Inaccuracy. Rg5 was best. } { [%clk 0:01:56] } 36... Rd3? { [%eval 0.0] } { Mistake. Bd4 was best. } { [%clk 1:13:06] } 37. Ra3?? { [%eval -2.68] } { Blunder. Nf5 was best. } { [%clk 0:00:44] } 37... Bd4 { [%eval -2.5] [%clk 1:11:51] } 38. Kf2?! { [%eval -4.02] } { Inaccuracy. Rxb3 was best. } { [%clk 0:00:38] } 38... Nxc1 { [%eval -3.99] [%clk 1:12:08] } 39. Rxc1?! { [%eval -5.24] } { Inaccuracy. Rxd3 was best. } { [%clk 0:00:31] } 39... Bxe3+ { [%eval -5.48] [%clk 1:12:30] } 40. Ke2 { [%eval -5.1] [%clk 0:00:56] } 40... Rxa3 { [%eval -5.22] [%clk 1:12:52] } 0-1