Event: British Chess Championships 2023: Championship
Site: The Venue, De Montfort University, United Kingdom
Date: 2023-07-24
White: Yao, Lan
WhiteElo: 2242
Black: Kanyamarala, Trisha
BlackElo: 2344
Result: 1-0
ECO: B94
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 40 moves in 90 mins + 30 mins + 30 secondss added from move 1

1. e4 { [%eval 0.36] [%clk 1:30:53] } 1... c5 { [%eval 0.32] [%clk 1:30:48] } 2. Nf3 { [%eval 0.0] [%clk 1:31:18] } 2... d6 { [%eval 0.0] [%clk 1:31:12] } 3. d4 { [%eval 0.25] [%clk 1:31:44] } 3... cxd4 { [%eval 0.13] [%clk 1:31:36] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:10] } 4... Nf6 { [%eval 0.3] [%clk 1:31:58] } 5. Nc3 { [%eval 0.21] [%clk 1:32:33] } 5... a6 { [%eval 0.39] [%clk 1:32:22] } 6. Bg5 { [%eval 0.0] [%clk 1:32:45] } 6... Nbd7 { [%eval 0.18] [%clk 1:32:40] } 7. Bc4 { [%eval 0.0] [%clk 1:31:52] } 7... Qb6 { [%eval 0.1] [%clk 1:32:45] } 8. Bb3 { [%eval 0.46] [%clk 1:30:31] } 8... e6 { [%eval 0.36] [%clk 1:32:41] } 9. Bxf6 { [%eval 0.15] [%clk 1:30:29] } 9... Nxf6 { [%eval 0.27] [%clk 1:33:03] } 10. Qd2 { [%eval 0.31] [%clk 1:30:47] } 10... Nd7 { [%eval 0.42] [%clk 1:33:01] } 11. O-O-O { [%eval 0.2] [%clk 1:30:37] } 11... Nc5 { [%eval 0.26] [%clk 1:32:59] } 12. f4 { [%eval -0.04] [%clk 1:28:38] } 12... Bd7 { [%eval 0.03] [%clk 1:32:37] } 13. f5 { [%eval 0.13] [%clk 1:26:33] } 13... O-O-O { [%eval 0.29] [%clk 1:29:01] } 14. Kb1 { [%eval 0.29] [%clk 1:22:26] } 14... Re8 { [%eval 0.31] [%clk 1:22:28] } 15. fxe6 { [%eval 0.37] [%clk 1:16:37] } 15... fxe6 { [%eval 0.25] [%clk 1:22:48] } 16. Qe3 { [%eval 0.43] } 16... Nxb3 { [%eval 0.45] [%clk 1:19:33] } 17. axb3 { [%eval 0.53] [%clk 1:07:12] } 17... Be7 { [%eval 0.52] [%clk 1:18:21] } 18. Qg3 { [%eval 0.37] [%clk 0:53:16] } 18... Rhf8 { [%eval 0.71] [%clk 1:13:53] } 19. Nf3 { [%eval 0.5] [%clk 0:52:01] } 19... g5 { [%eval 0.49] [%clk 1:06:14] } 20. Nd2 { [%eval 0.38] [%clk 0:47:22] } 20... Bb5?! { [%eval 1.02] } { Inaccuracy. Qc7 was best. } { [%clk 0:51:24] } 21. Qh3 { [%eval 0.93] [%clk 0:35:47] } 21... Bd7 { [%eval 1.03] [%clk 0:48:02] } 22. Nc4 { [%eval 0.75] [%clk 0:30:03] } 22... Qc5 { [%eval 1.18] [%clk 0:46:58] } 23. Qd3?! { [%eval 0.27] } { Inaccuracy. Qg3 was best. } { [%clk 0:28:26] } 23... Kc7 { [%eval 0.53] [%clk 0:44:17] } 24. Rd2 { [%eval -0.01] [%clk 0:17:33] } 24... Bc6?! { [%eval 0.92] } { Inaccuracy. b5 was best. } { [%clk 0:35:37] } 25. Rhd1 { [%eval 0.97] [%clk 0:15:24] } 25... b5 { [%eval 0.86] [%clk 0:29:02] } 26. Nxd6?! { [%eval 0.0] } { Inaccuracy. Na5 was best. } { [%clk 0:13:10] } 26... Rd8?? { [%eval 2.89] } { Blunder. Bxd6 was best. } { [%clk 0:29:02] } 27. e5 { [%eval 2.76] [%clk 0:13:29] } 27... Rh8? { [%eval 4.53] } { Mistake. Kb8 was best. } { [%clk 0:12:17] } 28. Qh3 { [%eval 4.32] [%clk 0:11:21] } 28... b4?! { [%eval 5.55] } { Inaccuracy. Bxd6 was best. } { [%clk 0:09:31] } 29. Qxe6 { [%eval 5.64] [%clk 0:07:56] } 29... bxc3 { [%eval 5.7] [%clk 0:09:29] } 30. Qxe7+ { [%eval 5.78] [%clk 0:08:07] } 30... Kb8 { [%eval 5.54] [%clk 0:09:12] } 31. Rd4 { [%eval 5.29] [%clk 0:06:39] } 31... cxb2 { [%eval 5.4] [%clk 0:07:43] } 32. Kxb2 { [%eval 5.54] [%clk 0:06:33] } 32... Rde8 { [%eval 5.62] [%clk 0:07:23] } 33. Qxg5 { [%eval 5.5] [%clk 0:05:35] } 33... Rxe5 { [%eval 6.42] [%clk 0:06:22] } 34. Qf4 { [%eval 6.64] [%clk 0:04:38] } 34... Ka8 { [%eval 7.1] [%clk 0:01:32] } 35. Rc4 { [%eval 7.26] [%clk 0:03:41] } 35... Qa5?! { [%eval 12.76] } { Inaccuracy. Qb6 was best. } { [%clk 0:00:56] } 36. Rxc6 { [%eval 13.06] [%clk 0:03:40] } 36... Rb8?! { [%eval #8] } { Checkmate is now unavoidable. Re7 was best. } { [%clk 0:01:19] } 37. Qc4 { [%eval #7] [%clk 0:01:50] } 37... Ka7 { [%eval #5] [%clk 0:00:49] } 38. Rc7+ { [%eval #6] [%clk 0:02:13] } 1-0