Event: Hong Kong International Open Chess Championship 2023
Site: St. Benedict School, Choi Hung, Kowloon, Hong Kong
Date: 2023-12-26
White: Chiu, Silas Nathaniel
WhiteElo: 1197
Black: Tang, Tsz Sang
BlackElo: 1574
Result: 0-1
ECO: B00
Opening: Owen Defense
Variant: Standard

1. e4 { [%eval 0.2] } 1... b6?! { [%eval 0.95] } { Inaccuracy. e5 was best. } 2. d4 { [%eval 0.87] } 2... Bb7 { [%eval 0.75] } 3. Nc3 { [%eval 0.44] [%clk 1:31:30] } 3... e6 { [%eval 0.67] [%clk 1:31:30] } 4. Nf3 { [%eval 0.69] } 4... Ne7?! { [%eval 1.3] } { Inaccuracy. Bb4 was best. } 5. Bc4 { [%eval 0.96] } 5... g6 { [%eval 0.79] } 6. O-O { [%eval 0.84] } 6... Bg7 { [%eval 1.06] } 7. Bf4 { [%eval 0.7] [%clk 1:30:41] } 7... d6 { [%eval 0.94] [%clk 1:30:14] } 8. Qd2 { [%eval 0.74] [%clk 1:30:41] } 8... O-O { [%eval 0.82] [%clk 1:30:21] } 9. Rad1 { [%eval 0.83] [%clk 1:30:43] } 9... Nd7 { [%eval 0.91] [%clk 1:30:44] } 10. Rfe1 { [%eval 0.73] [%clk 1:29:52] } 10... a6 { [%eval 0.89] [%clk 1:30:36] } 11. a4 { [%eval 0.67] [%clk 1:28:13] } 11... Rc8 { [%eval 0.85] [%clk 1:29:57] } 12. Qd3 { [%eval 0.74] [%clk 1:28:32] } 12... Ra8 { [%eval 0.67] [%clk 1:29:57] } 13. Ne2 { [%eval 0.21] [%clk 1:28:32] } 13... d5 { [%eval 0.49] [%clk 1:28:16] } 14. exd5 { [%eval 0.43] [%clk 1:28:41] } 14... Nxd5 { [%eval 0.44] [%clk 1:28:16] } 15. Bg3 { [%eval 0.33] [%clk 1:27:58] } 15... Re8 { [%eval 0.34] [%clk 1:22:31] } 16. Nf4 { [%eval 0.01] [%clk 1:22:28] } 16... N5f6?! { [%eval 0.95] } { Inaccuracy. c5 was best. } { [%clk 1:23:01] } 17. Ne5?! { [%eval 0.16] } { Inaccuracy. Bxe6 was best. } { [%clk 1:21:39] } 17... Nf8?! { [%eval 0.82] } { Inaccuracy. Nxe5 was best. } { [%clk 1:15:56] } 18. Nh3 { [%eval 0.53] [%clk 1:21:25] } 18... N8d7?? { [%eval 3.76] } { Blunder. Nh5 was best. } { [%clk 1:15:10] } 19. Nxd7?? { [%eval 0.0] } { Blunder. Nxf7 was best. } { [%clk 1:21:42] } 19... Qxd7 { [%eval -0.15] [%clk 1:14:17] } 20. Ng5?! { [%eval -1.03] } { Inaccuracy. Bb3 was best. } { [%clk 1:19:03] } 20... Qxa4 { [%eval -0.96] [%clk 1:12:59] } 21. Bxc7?? { [%eval -5.03] } { Blunder. Be5 was best. } { [%clk 1:17:16] } 21... Qc6 { [%eval -4.83] [%clk 1:09:54] } 22. Qg3 { [%eval -4.76] [%clk 1:17:44] } 22... Qxc4 { [%eval -4.78] [%clk 1:10:02] } 23. Bxb6 { [%eval -4.95] [%clk 1:16:56] } 23... Qxc2 { [%eval -4.96] [%clk 1:10:30] } 24. Rc1 { [%eval -4.78] [%clk 1:15:55] } 24... Qxb2 { [%eval -4.82] [%clk 1:09:39] } 25. Rb1 { [%eval -5.33] [%clk 1:16:23] } 25... Qc2 { [%eval -5.05] [%clk 1:09:40] } 26. Rbc1 { [%eval -5.06] [%clk 1:14:32] } 26... Qa2 { [%eval -4.92] [%clk 1:09:51] } 27. Qc7 { [%eval -4.86] [%clk 1:11:44] } 27... Qd5 { [%eval -4.77] [%clk 1:07:57] } 28. Qxf7+ { [%eval -4.98] [%clk 1:11:52] } 28... Kh8 { [%eval -4.85] [%clk 1:08:24] } 29. Nf3 { [%eval -4.83] [%clk 1:10:51] } 29... Rac8 { [%eval -4.43] [%clk 1:07:16] } 30. h3 { [%eval -4.88] [%clk 1:07:52] } 30... Qd7 { [%eval -4.15] [%clk 1:05:02] } 31. Ne5 { [%eval -4.1] [%clk 1:07:45] } 31... Qxf7 { [%eval -4.2] [%clk 1:05:19] } 32. Nxf7+ { [%eval -4.08] [%clk 1:08:03] } 32... Kg8 { [%eval -4.06] [%clk 1:05:19] } 33. Nd6 { [%eval -4.12] [%clk 1:01:11] } 33... Rxc1 { [%eval -4.14] [%clk 1:05:25] } 34. Rxc1 { [%eval -4.23] [%clk 1:01:27] } 34... Re7 { [%eval -4.1] [%clk 1:05:42] } 35. Ba5 { [%eval -4.72] [%clk 0:57:19] } 35... Bf8 { [%eval -4.35] [%clk 1:04:37] } 36. Bd8 { [%eval -4.26] [%clk 0:56:52] } 36... Rd7 { [%eval -4.47] [%clk 1:03:01] } 37. Nxb7 { [%eval -4.21] [%clk 0:57:16] } 37... Rxb7?? { [%eval -0.33] } { Blunder. Nd5 was best. } { [%clk 1:03:30] } 38. Bxf6 { [%eval -0.4] [%clk 0:57:41] } 38... Ra7 { [%eval -0.36] [%clk 1:01:20] } 39. Rc4 { [%eval -0.27] [%clk 0:57:55] } 39... a5 { [%eval -0.36] [%clk 1:01:37] } 40. Ra4 { [%eval -0.35] [%clk 0:58:07] } 40... Kf7 { [%eval -0.34] [%clk 1:00:52] } 41. Be5 { [%eval -0.75] [%clk 0:54:35] } 41... Ke7?! { [%eval 0.0] } { Inaccuracy. Bb4 was best. } { [%clk 1:01:20] } 42. Kf1 { [%eval -0.26] } 42... Kd7 { [%eval -0.24] } 43. Ke2?! { [%eval -0.96] } { Inaccuracy. d5 was best. } { [%clk 0:52:59] } 43... Kc6 { [%eval -1.06] [%clk 0:59:44] } 44. Kd3 { [%eval -0.94] [%clk 0:52:59] } 44... Kb5 { [%eval -1.17] [%clk 0:59:44] } 45. Ra2 { [%eval -1.27] [%clk 0:52:53] } 45... a4 { [%eval -1.25] [%clk 0:59:46] } 46. Kc3?! { [%eval -2.06] } { Inaccuracy. Rb2+ was best. } { [%clk 0:46:54] } 46... a3?! { [%eval -1.18] } { Inaccuracy. Bb4+ was best. } { [%clk 0:59:15] } 47. f4?! { [%eval -2.36] } { Inaccuracy. Kb3 was best. } { [%clk 0:42:43] } 47... Ka4 { [%eval -2.44] [%clk 0:58:23] } 48. d5?! { [%eval -3.26] } { Inaccuracy. Ra1 was best. } { [%clk 0:35:07] } 48... exd5 { [%eval -3.17] [%clk 0:58:39] } 49. g4 { [%eval -3.43] [%clk 0:32:11] } 49... Rd7?! { [%eval -2.53] } { Inaccuracy. Bc5 was best. } { [%clk 0:58:00] } 50. f5? { [%eval -4.36] } { Mistake. Ra1 was best. } { [%clk 0:31:11] } 50... gxf5 { [%eval -4.52] [%clk 0:57:57] } 51. gxf5 { [%eval -4.08] [%clk 0:31:28] } 51... Bb4+ { [%eval -4.59] [%clk 0:57:10] } 52. Kc2 { [%eval -5.07] [%clk 0:30:36] } 52... d4 { [%eval -5.28] [%clk 0:56:57] } 53. f6 { [%eval -6.71] [%clk 0:27:17] } 53... d3+ { [%eval -7.45] [%clk 0:57:10] } 54. Kd1 { [%eval -6.92] [%clk 0:27:37] } 54... Kb3 { [%eval -7.32] [%clk 0:57:22] } 55. Ra1 { [%eval -7.61] [%clk 0:26:47] } 55... a2 { [%eval -7.69] [%clk 0:55:45] } 56. Rc1? { [%eval #-6] } { Checkmate is now unavoidable. Bf4 was best. } { [%clk 0:22:32] } 56... Rd5 { [%eval #-5] [%clk 0:55:16] } 57. Bc3 { [%eval #-4] [%clk 0:10:39] } 57... Bxc3 { [%eval #-3] [%clk 0:55:06] } 58. f7 { [%eval #-3] [%clk 0:10:19] } 58... Rf5 { [%eval #-3] [%clk 0:54:31] } 59. f8=Q { [%eval #-3] [%clk 0:09:16] } 59... Rxf8 { [%eval #-2] [%clk 0:54:51] } 60. Rxc3+ { [%eval #-2] [%clk 0:09:41] } 60... Kxc3 { [%eval #-1] [%clk 0:55:05] } 61. Ke1 { [%eval #-1] [%clk 0:09:00] } 61... a1=Q# { [%clk 0:55:22] } 0-1