Event: Hong Kong International Open Chess Championship 2023
Site: St. Benedict School, Choi Hung, Kowloon, Hong Kong
Date: 2023-12-26
White: Lam, Chun Yung Samuel
WhiteElo: 1744
Black: Sim, Yan Xiang Ethan
BlackElo: 1197
Result: 1-0
ECO: B36
Opening: Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:30:50] } 1... c5 { [%eval 0.33] [%clk 1:30:45] } 2. Nf3 { [%eval 0.17] [%clk 1:31:17] } 2... Nc6 { [%eval 0.29] [%clk 1:31:12] } 3. d4 { [%eval 0.33] [%clk 1:31:43] } 3... cxd4 { [%eval 0.38] [%clk 1:31:38] } 4. Nxd4 { [%eval 0.29] [%clk 1:32:10] } 4... g6 { [%eval 0.64] [%clk 1:32:00] } 5. c4 { [%eval 0.39] [%clk 1:32:04] } 5... Nf6 { [%eval 0.68] [%clk 1:32:06] } 6. Nc3 { [%eval 0.51] [%clk 1:32:33] } 6... Nxd4 { [%eval 0.68] [%clk 1:32:12] } 7. Qxd4 { [%eval 0.54] [%clk 1:32:59] } 7... d6 { [%eval 0.61] [%clk 1:32:28] } 8. f3 { [%eval 0.59] [%clk 1:33:27] } 8... Bg7 { [%eval 0.44] [%clk 1:32:24] } 9. Be3 { [%eval 0.55] [%clk 1:33:55] } 9... O-O { [%eval 0.46] [%clk 1:32:31] } 10. Qd2 { [%eval 0.49] [%clk 1:34:22] } 10... a5 { [%eval 0.5] [%clk 1:32:39] } 11. Na4 { [%eval 0.5] [%clk 1:27:55] } 11... Be6 { [%eval 0.52] [%clk 1:32:28] } 12. Nb6 { [%eval 0.53] [%clk 1:27:38] } 12... Rb8 { [%eval 0.48] [%clk 1:32:52] } 13. Qxa5 { [%eval 0.46] [%clk 1:28:05] } 13... Nd7 { [%eval 0.38] [%clk 1:33:12] } 14. O-O-O { [%eval 0.12] [%clk 1:04:25] } 14... f5 { [%eval 0.29] [%clk 1:29:31] } 15. Bd3 { [%eval 0.25] [%clk 1:04:23] } 15... Ne5?! { [%eval 1.15] } { Inaccuracy. fxe4 was best. } { [%clk 1:26:08] } 16. Qb4?! { [%eval 0.38] } { Inaccuracy. exf5 was best. } { [%clk 0:55:55] } 16... fxe4 { [%eval 0.33] [%clk 1:26:00] } 17. Bxe4 { [%eval 0.39] [%clk 0:55:21] } 17... Nxc4 { [%eval 0.39] [%clk 1:05:05] } 18. Nxc4 { [%eval 0.34] [%clk 0:55:04] } 18... Qc7? { [%eval 1.97] } { Mistake. Qc8 was best. } { [%clk 1:04:59] } 19. Bd5 { [%eval 2.09] [%clk 0:51:27] } 19... Bxd5 { [%eval 1.74] [%clk 1:05:00] } 20. Rxd5 { [%eval 1.97] [%clk 0:51:27] } 20... b5 { [%eval 2.04] [%clk 1:02:44] } 21. Rxb5 { [%eval 2.06] [%clk 0:51:18] } 21... d5 { [%eval 1.93] [%clk 1:01:47] } 22. Rxb8?! { [%eval 0.99] } { Inaccuracy. Bb6 was best. } { [%clk 0:45:18] } 22... Rxb8 { [%eval 0.8] [%clk 1:01:59] } 23. Qc5 { [%eval 1.01] [%clk 0:45:41] } 23... Qxc5 { [%eval 1.07] [%clk 1:01:51] } 24. Bxc5 { [%eval 1.04] [%clk 0:46:07] } 24... dxc4 { [%eval 1.16] [%clk 1:01:50] } 25. Ba3 { [%eval 1.06] [%clk 0:46:01] } 25... c3 { [%eval 1.03] [%clk 0:57:49] } 26. bxc3 { [%eval 0.96] [%clk 0:43:37] } 26... Ra8? { [%eval 2.79] } { Mistake. Bxc3 was best. } { [%clk 0:57:44] } 27. Kb2 { [%eval 2.56] [%clk 0:43:37] } 27... Bxc3+ { [%eval 2.74] [%clk 0:56:52] } 28. Kxc3 { [%eval 2.61] [%clk 0:44:02] } 28... Rxa3+ { [%eval 2.77] [%clk 0:57:19] } 29. Kb2 { [%eval 2.56] [%clk 0:44:29] } 29... Ra6 { [%eval 3.03] [%clk 0:57:15] } 30. Kb3 { [%eval 2.82] [%clk 0:44:16] } 30... Kf7 { [%eval 2.91] [%clk 0:56:31] } 31. a4 { [%eval 2.87] [%clk 0:44:39] } 31... Rd6?! { [%eval 4.46] } { Inaccuracy. Rb6+ was best. } { [%clk 0:50:58] } 32. a5 { [%eval 4.65] [%clk 0:43:50] } 32... Ke8 { [%eval 4.62] [%clk 0:48:44] } 33. Ra1 { [%eval 4.59] [%clk 0:44:13] } 33... Ra6 { [%eval 4.66] [%clk 0:47:18] } 34. Kb4 { [%eval 4.45] [%clk 0:44:39] } 34... Kd7 { [%eval 4.74] [%clk 0:47:18] } 35. Kb5 { [%eval 4.73] [%clk 0:44:56] } 35... Ra8 { [%eval 4.73] [%clk 0:47:18] } 36. Rc1?? { [%eval 1.01] } { Blunder. a6 was best. } { [%clk 0:44:37] } 36... Rb8+ { [%eval 1.14] [%clk 0:46:40] } 37. Ka4 { [%eval 0.97] [%clk 0:43:57] } 37... Rb2 { [%eval 0.76] [%clk 0:46:11] } 38. Rc3?! { [%eval 0.09] } { Inaccuracy. a6 was best. } { [%clk 0:42:38] } 38... Rxg2 { [%eval 0.1] [%clk 0:42:57] } 39. h4 { [%eval 0.02] [%clk 0:31:25] } 39... Rh2 { [%eval 0.16] [%clk 0:31:36] } 40. Rc4 { [%eval 0.1] [%clk 0:22:20] } 40... Rf2?? { [%eval 3.8] } { Blunder. Ra2+ was best. } { [%clk 0:27:56] } 41. a6 { [%eval 4.04] [%clk 0:20:53] } 41... Rxf3 { [%eval 4.48] [%clk 0:20:53] } 42. a7 { [%eval 4.02] [%clk 0:20:56] } 42... Rf8 { [%eval 4.45] [%clk 0:21:12] } 43. Kb5 { [%eval 4.4] [%clk 0:21:03] } 43... Ra8 { [%eval 4.32] [%clk 0:18:21] } 44. Kb6 { [%eval 4.79] [%clk 0:21:23] } 44... h6 { [%eval 5.05] [%clk 0:16:45] } 45. Kb7 { [%eval 5.07] [%clk 0:21:32] } 45... Rxa7+ { [%eval 5.17] [%clk 0:17:09] } 46. Kxa7 { [%eval 5.29] [%clk 0:22:00] } 46... Ke6 { [%eval 5.34] [%clk 0:17:29] } 47. Kb6 { [%eval 5.33] [%clk 0:21:30] } 47... Kf5 { [%eval 5.34] [%clk 0:16:55] } 48. Kc6 { [%eval 5.39] [%clk 0:21:48] } 48... e5? { [%eval 11.44] } { Mistake. h5 was best. } { [%clk 0:16:19] } 49. Kd5 { [%eval 35.76] [%clk 0:21:54] } 49... h5?! { [%eval #28] } { Checkmate is now unavoidable. e4 was best. } { [%clk 0:15:36] } 50. Re4 { [%eval #17] [%clk 0:22:10] } 50... g5 { [%eval #11] [%clk 0:15:32] } 51. Rxe5+ { [%eval #10] [%clk 0:22:36] } 51... Kg4 { [%eval #8] [%clk 0:15:57] } 52. hxg5 { [%eval #7] [%clk 0:23:01] } 1-0