Event: Hong Kong International Open Chess Championship 2023
Site: St. Benedict School, Choi Hung, Kowloon, Hong Kong
Date: 2023-12-26
White: Chen, Peirun
Black: Chan, Pui Yin Brandon
BlackElo: 1557
Result: 0-1
ECO: A61
Opening: Benoni Defense
Variant: Standard

1. d4 { [%eval 0.13] [%clk 1:30:50] } 1... Nf6 { [%eval 0.17] [%clk 1:10:59] } 2. c4 { [%eval 0.16] [%clk 1:31:17] } 2... c5?! { [%eval 0.93] } { Inaccuracy. e6 was best. } { [%clk 1:11:19] } 3. d5 { [%eval 0.65] [%clk 1:31:41] } 3... e6 { [%eval 0.6] [%clk 1:11:46] } 4. Nc3 { [%eval 0.48] [%clk 1:32:08] } 4... exd5 { [%eval 0.97] [%clk 1:12:11] } 5. cxd5 { [%eval 0.29] [%clk 1:32:36] } 5... d6 { [%eval 0.89] [%clk 1:12:26] } 6. Nf3 { [%eval 0.86] [%clk 1:33:00] } 6... g6 { [%eval 0.65] [%clk 1:12:54] } 7. h3 { [%eval 0.66] [%clk 1:33:27] } 7... Bg7 { [%eval 0.82] [%clk 1:13:22] } 8. Bf4 { [%eval 0.6] [%clk 1:33:27] } 8... O-O { [%eval 0.73] [%clk 1:12:23] } 9. e3 { [%eval 0.68] [%clk 1:33:54] } 9... a6 { [%eval 0.64] [%clk 1:11:48] } 10. a4 { [%eval 0.8] [%clk 1:34:22] } 10... Qc7 { [%eval 1.11] [%clk 1:10:23] } 11. Be2 { [%eval 1.09] [%clk 1:34:46] } 11... Nbd7 { [%eval 1.14] [%clk 1:07:37] } 12. O-O { [%eval 1.06] [%clk 1:34:39] } 12... Rb8 { [%eval 1.17] [%clk 1:06:56] } 13. Nd2 { [%eval 0.96] [%clk 1:34:50] } 13... Re8 { [%eval 1.33] [%clk 1:03:09] } 14. Qc2 { [%eval 1.37] [%clk 1:33:14] } 14... Ne5 { [%eval 1.35] [%clk 0:44:20] } 15. Rfd1 { [%eval 0.94] [%clk 1:30:39] } 15... Nfd7 { [%eval 0.93] [%clk 0:40:48] } 16. Nc4?! { [%eval 0.09] } { Inaccuracy. a5 was best. } { [%clk 1:20:52] } 16... Nxc4 { [%eval -0.01] [%clk 0:39:13] } 17. Bxc4 { [%eval 0.03] [%clk 1:21:14] } 17... Ne5 { [%eval 0.07] [%clk 0:38:57] } 18. Be2 { [%eval 0.06] [%clk 1:21:22] } 18... Bd7 { [%eval 0.04] [%clk 0:32:23] } 19. a5 { [%eval -0.04] [%clk 1:16:36] } 19... b5?! { [%eval 0.55] } { Inaccuracy. c4 was best. } { [%clk 0:23:10] } 20. axb6 { [%eval 0.54] [%clk 1:15:31] } 20... Rxb6 { [%eval 0.54] [%clk 0:23:12] } 21. Na4? { [%eval -0.71] } { Mistake. Rxa6 was best. } { [%clk 1:12:07] } 21... Bxa4 { [%eval -0.51] [%clk 0:20:35] } 22. Rxa4 { [%eval -1.02] [%clk 1:11:48] } 22... Rxb2 { [%eval -1.07] [%clk 0:20:39] } 23. Qxb2 { [%eval -1.02] [%clk 1:11:08] } 23... Nf3+ { [%eval -0.96] [%clk 0:20:57] } 24. Bxf3 { [%eval -1.37] [%clk 1:11:37] } 24... Bxb2 { [%eval -1.16] [%clk 0:21:26] } 25. Rxa6 { [%eval -1.14] [%clk 1:11:58] } 25... Be5 { [%eval -1.16] [%clk 0:21:46] } 26. Rc6?! { [%eval -2.04] } { Inaccuracy. Bxe5 was best. } { [%clk 1:12:16] } 26... Qb8 { [%eval -1.68] [%clk 0:17:47] } 27. Bh6?! { [%eval -2.81] } { Inaccuracy. g3 was best. } { [%clk 1:08:50] } 27... Qb4?? { [%eval -0.41] } { Blunder. Qd8 was best. } { [%clk 0:16:04] } 28. Rc1?? { [%eval -4.24] } { Blunder. g3 was best. } { [%clk 1:08:54] } 28... Qh4 { [%eval -4.23] [%clk 0:16:23] } 29. Bf4 { [%eval -4.34] [%clk 1:09:09] } 29... Bxf4 { [%eval -4.27] [%clk 0:16:24] } 30. exf4 { [%eval -4.21] [%clk 1:09:30] } 30... Qxf4 { [%eval -4.29] [%clk 0:16:48] } 31. Rb1 { [%eval -4.4] [%clk 1:07:05] } 31... h5 { [%eval -4.35] [%clk 0:15:03] } 32. Rcb6 { [%eval -4.45] [%clk 1:05:01] } 32... Kg7 { [%eval -4.35] [%clk 0:15:32] } 33. R6b2 { [%eval -4.62] [%clk 1:05:23] } 33... Rh8 { [%eval -4.37] [%clk 0:09:23] } 34. Rb3 { [%eval -4.57] [%clk 1:05:39] } 34... g5 { [%eval -3.67] [%clk 0:08:36] } 35. g3 { [%eval -3.6] [%clk 1:06:05] } 35... Qf5 { [%eval -3.17] [%clk 0:04:06] } 36. Bg2?! { [%eval -4.52] } { Inaccuracy. Bxh5 was best. } { [%clk 1:06:30] } 36... g4 { [%eval -3.62] [%clk 0:04:09] } 37. h4 { [%eval -4.36] [%clk 1:07:04] } 37... Re8 { [%eval -4.27] [%clk 0:04:25] } 38. R1b2?! { [%eval -5.46] } { Inaccuracy. Bf1 was best. } 38... Re1+ { [%eval -5.5] [%clk 0:03:49] } 39. Kh2 { [%eval -5.54] [%clk 1:07:30] } 39... Qe5 { [%eval -5.27] [%clk 0:03:48] } 40. Rc2?! { [%eval -7.52] } { Inaccuracy. Rb1 was best. } { [%clk 1:04:55] } 40... Ra1 { [%eval -7.15] [%clk 0:03:36] } 41. Re3 { [%eval -7.76] [%clk 1:03:19] } 41... Qd4 { [%eval -7.92] [%clk 0:03:10] } 42. Rce2 { [%eval -13.44] [%clk 0:59:53] } 42... Qd1 { [%eval -7.96] [%clk 0:03:35] } 43. Re1 { [%eval -9.09] [%clk 1:00:19] } 43... Qxe1 { [%eval -8.77] [%clk 0:03:55] } 44. Rxe1 { [%eval -10.78] [%clk 1:00:35] } 44... Rxe1 { [%eval -8.07] [%clk 0:04:22] } 45. f4? { [%eval #-9] } { Checkmate is now unavoidable. Bh3 was best. } { [%clk 1:00:57] } 45... f5 { [%eval #-9] [%clk 0:04:32] } 46. Bh1 { [%eval #-7] [%clk 1:00:03] } 46... c4 { [%eval #-6] [%clk 0:04:12] } 47. Bg2 { [%eval #-6] [%clk 1:00:28] } 47... c3 { [%eval #-5] [%clk 0:04:38] } 48. Bh1 { [%eval #-5] } 48... c2 { [%eval #-4] [%clk 0:05:05] } 49. Bg2 { [%eval #-4] [%clk 1:01:19] } 49... c1=Q { [%eval #-3] } 50. Bh1 { [%eval #-2] [%clk 1:01:45] } 50... Rxh1+ { [%eval #-1] [%clk 0:05:42] } 51. Kg2 { [%eval #-1] [%clk 1:02:12] } 51... Qf1# { [%clk 0:06:04] } 0-1