Event: Hong Kong International Open Chess Championship 2023
Site: St. Benedict School, Choi Hung, Kowloon, Hong Kong
Date: 2023-12-26
White: Liu, Ho Yin
WhiteElo: 1468
Black: Chen, Yifei
BlackElo: 1235
Result: 1/2-1/2
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:30:50] } 1... c5 { [%eval 0.33] [%clk 1:30:57] } 2. Nf3 { [%eval 0.17] } 2... d6 { [%eval 0.0] [%clk 1:31:25] } 3. d4 { [%eval 0.25] [%clk 1:31:39] } 3... cxd4 { [%eval 0.13] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:08] } 4... Nf6 { [%eval 0.3] [%clk 1:32:08] } 5. Nc3 { [%eval 0.21] [%clk 1:32:25] } 5... a6 { [%eval 0.39] [%clk 1:32:37] } 6. f3 { [%eval 0.33] [%clk 1:32:36] } 6... e5 { [%eval 0.31] [%clk 1:33:01] } 7. Nb3 { [%eval 0.26] [%clk 1:32:48] } 7... Be6 { [%eval 0.25] [%clk 1:33:21] } 8. Be3 { [%eval 0.41] [%clk 1:32:49] } 8... h5 { [%eval 0.3] [%clk 1:33:49] } 9. Nd5 { [%eval 0.33] [%clk 1:31:54] } 9... Bxd5 { [%eval 0.39] [%clk 1:33:45] } 10. exd5 { [%eval 0.34] [%clk 1:32:16] } 10... b5?! { [%eval 1.14] } { Inaccuracy. Nbd7 was best. } { [%clk 1:33:00] } 11. Qd2 { [%eval 1.02] [%clk 1:29:34] } 11... Nbd7 { [%eval 1.03] [%clk 1:33:28] } 12. O-O-O?! { [%eval 0.4] } { Inaccuracy. a4 was best. } { [%clk 1:26:10] } 12... Nb6 { [%eval 0.6] [%clk 1:31:48] } 13. Bxb6?! { [%eval -0.33] } { Inaccuracy. Qc3 was best. } { [%clk 1:26:39] } 13... Qxb6 { [%eval -0.52] [%clk 1:32:08] } 14. Na5 { [%eval -0.49] [%clk 1:26:59] } 14... Rc8 { [%eval -0.22] [%clk 1:31:24] } 15. Kb1 { [%eval -0.02] [%clk 1:24:07] } 15... Nxd5?! { [%eval 0.66] } { Inaccuracy. Rc5 was best. } { [%clk 1:30:03] } 16. Qxd5 { [%eval 0.55] [%clk 1:24:27] } 16... Qxa5 { [%eval 0.65] [%clk 1:30:30] } 17. c4 { [%eval 0.42] [%clk 1:19:13] } 17... Qc7 { [%eval 0.78] [%clk 1:28:09] } 18. Rc1?! { [%eval -0.22] } { Inaccuracy. Bd3 was best. } { [%clk 1:18:21] } 18... Be7 { [%eval -0.24] [%clk 1:24:31] } 19. Bd3 { [%eval -0.26] [%clk 1:18:50] } 19... b4 { [%eval -0.17] [%clk 1:21:55] } 20. Rhg1?! { [%eval -0.83] } { Inaccuracy. Rhe1 was best. } { [%clk 1:09:40] } 20... Qc6 { [%eval -0.39] [%clk 0:57:13] } 21. Qa5 { [%eval -0.76] [%clk 1:08:16] } 21... O-O { [%eval -0.46] [%clk 0:52:22] } 22. Qxb4 { [%eval -0.5] [%clk 1:08:45] } 22... Rb8 { [%eval -0.3] [%clk 0:51:54] } 23. Qd2?! { [%eval -1.27] } { Inaccuracy. Qa3 was best. } { [%clk 0:57:31] } 23... Qb6 { [%eval -0.8] [%clk 0:46:56] } 24. b3?! { [%eval -1.44] } { Inaccuracy. h4 was best. } { [%clk 0:56:08] } 24... a5 { [%eval -1.27] [%clk 0:42:49] } 25. g4 { [%eval -1.65] [%clk 0:56:36] } 25... Qd4? { [%eval 0.0] } { Mistake. h4 was best. } { [%clk 0:43:17] } 26. gxh5? { [%eval -1.15] } { Mistake. Rcd1 was best. } { [%clk 0:55:25] } 26... e4 { [%eval -0.85] [%clk 0:43:25] } 27. fxe4 { [%eval -0.93] [%clk 0:50:34] } 27... Bf6 { [%eval -0.91] [%clk 0:33:20] } 28. Kc2 { [%eval -0.97] } 28... a4 { [%eval -0.78] [%clk 0:33:48] } 29. b4 { [%eval -0.71] [%clk 0:51:27] } 29... Qb2+ { [%eval -0.32] [%clk 0:24:49] } 30. Kd1 { [%eval -0.31] [%clk 0:51:48] } 30... Rxb4 { [%eval -0.34] [%clk 0:21:05] } 31. Qxb2 { [%eval -0.46] [%clk 0:52:17] } 31... Rxb2 { [%eval -0.37] [%clk 0:21:30] } 32. Rc2 { [%eval -0.55] [%clk 0:50:33] } 32... Rb1+ { [%eval -0.31] [%clk 0:19:37] } 33. Rc1 { [%eval -0.42] [%clk 0:50:57] } 33... Rb2 { [%eval -0.43] [%clk 0:20:05] } 1/2-1/2