Event: Hong Kong International Open Chess Championship 2023
Site: St. Benedict School, Choi Hung, Kowloon, Hong Kong
Date: 2023-12-27
White: Song, Yihang
Black: Nisban, Cyrus
BlackTitle: CM
BlackElo: 1787
Result: 0-1
ECO: E04
Opening: Catalan Opening: Open Defense
Variant: Standard

1. d4 { [%eval 0.13] [%clk 1:31:18] } 1... Nf6 { [%eval 0.17] [%clk 1:30:58] } 2. c4 { [%eval 0.16] } 2... e6 { [%eval 0.23] [%clk 1:31:05] } 3. g3 { [%eval 0.14] [%clk 1:31:25] } 3... d5 { [%eval 0.16] [%clk 1:31:05] } 4. Nf3 { [%eval 0.12] [%clk 1:31:25] } 4... dxc4 { [%eval 0.22] [%clk 1:31:12] } 5. Bg2 { [%eval 0.29] [%clk 1:31:49] } 5... c5 { [%eval 0.43] [%clk 1:26:30] } 6. O-O { [%eval 0.42] [%clk 1:32:14] } 6... Nc6 { [%eval 0.36] [%clk 1:22:46] } 7. Qa4 { [%eval 0.27] [%clk 1:32:42] } 7... Bd7 { [%eval 0.13] [%clk 1:18:52] } 8. Qxc4 { [%eval 0.24] [%clk 1:33:06] } 8... b5 { [%eval 0.27] [%clk 1:15:38] } 9. Qd3 { [%eval 0.31] [%clk 1:33:33] } 9... c4 { [%eval 0.1] [%clk 1:14:07] } 10. Qd1 { [%eval 0.28] [%clk 1:34:00] } 10... Rc8 { [%eval 0.18] [%clk 1:12:08] } 11. Ne5 { [%eval 0.27] [%clk 1:32:10] } 11... Be7 { [%eval 0.35] [%clk 1:10:53] } 12. a4 { [%eval 0.29] [%clk 1:32:39] } 12... a6 { [%eval 0.47] [%clk 1:10:05] } 13. axb5 { [%eval 0.29] [%clk 1:33:02] } 13... axb5 { [%eval 0.52] [%clk 1:10:21] } 14. Nc3 { [%eval 0.33] [%clk 1:33:08] } 14... b4 { [%eval 0.33] [%clk 1:09:10] } 15. Nxd7 { [%eval 0.34] [%clk 1:33:31] } 15... Qxd7 { [%eval 0.15] [%clk 1:08:36] } 16. d5 { [%eval 0.18] [%clk 1:33:57] } 16... Nd8?! { [%eval 1.02] } { Inaccuracy. Ne5 was best. } { [%clk 0:47:56] } 17. dxe6 { [%eval 1.05] [%clk 1:34:06] } 17... Qxe6?! { [%eval 2.0] } { Inaccuracy. Qxd1 was best. } { [%clk 0:45:33] } 18. Nd5?! { [%eval 1.16] } { Inaccuracy. Qa4+ was best. } { [%clk 1:31:52] } 18... O-O { [%eval 1.52] [%clk 0:43:44] } 19. Bf4? { [%eval 0.0] } { Mistake. Ra6 was best. } { [%clk 1:25:07] } 19... Nxd5 { [%eval 0.07] [%clk 0:41:40] } 20. Bxd5 { [%eval 0.07] [%clk 1:25:30] } 20... Qf6 { [%eval 0.05] [%clk 0:41:59] } 21. b3? { [%eval -1.07] } { Mistake. Qb1 was best. } { [%clk 1:18:15] } 21... c3 { [%eval -1.13] [%clk 0:40:29] } 22. Qc2 { [%eval -1.09] [%clk 1:13:53] } 22... Ne6 { [%eval -1.06] [%clk 0:38:08] } 23. Be3 { [%eval -1.36] [%clk 1:13:59] } 23... Bc5 { [%eval -1.43] [%clk 0:36:04] } 24. Bxc5 { [%eval -1.52] [%clk 1:12:25] } 24... Rxc5 { [%eval -1.34] [%clk 0:32:09] } 25. Bxe6?! { [%eval -2.01] } { Inaccuracy. Rfd1 was best. } { [%clk 1:12:05] } 25... Qxe6 { [%eval -1.95] [%clk 0:32:12] } 26. Rfd1 { [%eval -1.99] [%clk 1:12:15] } 26... Rd5 { [%eval -1.96] [%clk 0:31:48] } 27. Rxd5 { [%eval -2.08] [%clk 1:08:18] } 27... Qxd5 { [%eval -2.05] [%clk 0:32:14] } 28. Rd1 { [%eval -2.06] [%clk 1:08:00] } 28... Qa5 { [%eval -2.05] [%clk 0:26:39] } 29. e4 { [%eval -2.2] [%clk 1:04:20] } 29... Rd8 { [%eval -2.27] [%clk 0:24:06] } 30. e5? { [%eval -4.23] } { Mistake. Rxd8+ was best. } { [%clk 1:02:34] } 30... Rxd1+ { [%eval -4.28] [%clk 0:21:50] } 31. Qxd1 { [%eval -4.48] [%clk 1:02:59] } 31... Qc7 { [%eval -4.41] [%clk 0:21:14] } 32. Qd5?! { [%eval -5.96] } { Inaccuracy. Qc2 was best. } { [%clk 0:58:53] } 32... g6 { [%eval -5.14] [%clk 0:20:15] } 33. e6 { [%eval -5.51] [%clk 0:59:10] } 33... c2 { [%eval -4.97] [%clk 0:20:26] } 34. exf7+ { [%eval -5.96] [%clk 0:59:21] } 34... Kf8 { [%eval -6.06] [%clk 0:20:41] } 35. Qa8+ { [%eval -6.1] [%clk 0:59:35] } 35... Kxf7 { [%eval -6.15] [%clk 0:21:05] } 36. Qd5+ { [%eval -6.21] [%clk 0:59:49] } 36... Kf8 { [%eval -6.48] [%clk 0:18:13] } 37. Qa8+ { [%eval -6.72] [%clk 0:58:44] } 37... Kg7 { [%eval -6.97] [%clk 0:18:16] } 38. Qa1+ { [%eval -6.29] [%clk 0:59:10] } 38... Qc3 { [%eval -6.31] [%clk 0:18:10] } 39. Qa7+ { [%eval -8.39] [%clk 0:59:38] } 39... Kh6 { [%eval -8.52] [%clk 0:18:30] } 0-1