Event: Round 9: Nigel R Davies - Yanfeng An
Date: 2023-09-28
White: Nigel R Davies
WhiteTitle: GM
WhiteElo: 2354
Black: Yanfeng An
BlackTitle: WIM
BlackElo: 2259
Result: 1-0
ECO: A15
Opening: English Opening: Anglo-Indian Defense, King's Indian Formation
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:30:48] } 1... Nf6 { [%eval 0.29] [%clk 1:30:38] } 2. c4 { [%eval 0.12] [%clk 1:31:07] } 2... g6 { [%eval 0.23] [%clk 1:30:43] } 3. g3 { [%eval 0.2] [%clk 1:31:17] } 3... Bg7 { [%eval 0.22] [%clk 1:30:53] } 4. Bg2 { [%eval 0.23] [%clk 1:31:41] } 4... d6 { [%eval 0.42] [%clk 1:29:06] } 5. d4 { [%eval 0.29] [%clk 1:31:45] } 5... O-O { [%eval 0.43] [%clk 1:29:02] } 6. O-O { [%eval 0.36] [%clk 1:31:55] } 6... Nbd7 { [%eval 0.56] [%clk 1:23:13] } 7. Nc3 { [%eval 0.7] [%clk 1:31:36] } 7... c6 { [%eval 0.9] [%clk 1:23:31] } 8. b3 { [%eval 0.6] [%clk 1:27:22] } 8... Re8 { [%eval 0.65] [%clk 1:23:00] } 9. e4 { [%eval 0.59] [%clk 1:27:05] } 9... e5 { [%eval 0.48] [%clk 1:22:54] } 10. h3 { [%eval 0.54] [%clk 1:26:24] } 10... exd4 { [%eval 0.47] [%clk 1:16:07] } 11. Nxd4 { [%eval 0.5] [%clk 1:26:46] } 11... Nc5 { [%eval 0.53] [%clk 1:16:30] } 12. Re1 { [%eval 0.64] [%clk 1:26:59] } 12... a5 { [%eval 0.88] [%clk 1:16:50] } 13. Bf4 { [%eval 0.65] [%clk 1:17:19] } 13... Nh5 { [%eval 1.02] [%clk 1:00:05] } 14. Be3 { [%eval 0.94] [%clk 1:17:38] } 14... a4 { [%eval 0.97] [%clk 0:48:42] } 15. b4 { [%eval 1.07] [%clk 1:13:46] } 15... Ne6 { [%eval 1.01] [%clk 0:49:07] } 16. Rc1 { [%eval 0.82] [%clk 0:53:48] } 16... Nxd4 { [%eval 0.89] [%clk 0:36:30] } 17. Bxd4 { [%eval 0.91] [%clk 0:54:10] } 17... f5? { [%eval 2.16] } { Mistake. a3 was best. } { [%clk 0:36:56] } 18. Bxg7 { [%eval 2.01] [%clk 0:53:58] } 18... Nxg7 { [%eval 1.98] [%clk 0:37:24] } 19. Qd2 { [%eval 1.66] [%clk 0:45:35] } 19... Be6 { [%eval 1.85] [%clk 0:34:26] } 20. exf5 { [%eval 1.88] [%clk 0:43:41] } 20... Nxf5 { [%eval 2.45] [%clk 0:33:59] } 21. Ne4 { [%eval 2.2] [%clk 0:43:00] } 21... Bxc4 { [%eval 2.17] [%clk 0:33:11] } 22. g4 { [%eval 2.08] [%clk 0:36:06] } 22... Nh4?! { [%eval 3.22] } { Inaccuracy. d5 was best. } { [%clk 0:33:14] } 23. g5 { [%eval 3.41] [%clk 0:29:53] } 23... Kf8 { [%eval 4.16] [%clk 0:25:09] } 24. Rxc4 { [%eval 4.51] [%clk 0:23:33] } 24... Nxg2 { [%eval 4.93] [%clk 0:22:02] } 25. Kxg2 { [%eval 4.97] [%clk 0:23:46] } 25... d5 { [%eval 5.0] [%clk 0:22:18] } 26. Rd4 { [%eval 5.48] [%clk 0:12:20] } 26... Qe7 { [%eval 6.08] [%clk 0:21:50] } 27. Qf4+ { [%eval 4.97] [%clk 0:12:43] } 27... Kg7 { [%eval 4.97] [%clk 0:21:08] } 28. Nd6 { [%eval 5.89] [%clk 0:07:12] } 28... Qxe1?? { [%eval #7] } { Checkmate is now unavoidable. Qd7 was best. } { [%clk 0:20:50] } 29. Qf7+ { [%eval #6] [%clk 0:07:35] } 29... Kh8 { [%eval #6] [%clk 0:20:47] } 30. Rh4 { [%eval #5] [%clk 0:07:37] } 1-0