Event: Hong Kong International Open Chess Championship 2023
Site: St. Benedict School, Choi Hung, Kowloon, Hong Kong
Date: 2023-12-29
White: Chen, Zhiyuan
WhiteElo: 1632
Black: Nisban, Cyrus
BlackTitle: CM
BlackElo: 1787
Result: 1/2-1/2
ECO: A05
Opening: Zukertort Opening
Variant: Standard

1. Nf3 { [%eval 0.2] [%clk 1:30:50] } 1... Nf6 { [%eval 0.29] [%clk 1:30:11] } 2. g3 { [%eval 0.09] [%clk 1:31:16] } 2... e6 { [%eval 0.32] [%clk 1:30:33] } 3. Bg2 { [%eval 0.37] [%clk 1:31:41] } 3... d5 { [%eval 0.19] [%clk 1:30:12] } 4. O-O { [%eval 0.09] [%clk 1:32:07] } 4... b5 { [%eval 0.48] [%clk 1:28:32] } 5. d4 { [%eval 0.32] [%clk 1:32:10] } 5... Nbd7 { [%eval 0.74] [%clk 1:27:52] } 6. Ne5 { [%eval 0.23] [%clk 1:31:01] } 6... Bb7 { [%eval 0.3] [%clk 1:26:32] } 7. Qd3 { [%eval 0.04] [%clk 1:29:32] } 7... a6 { [%eval 0.05] [%clk 1:25:19] } 8. a4 { [%eval -0.03] [%clk 1:27:55] } 8... b4 { [%eval 0.28] [%clk 1:23:00] } 9. c4 { [%eval 0.18] [%clk 1:24:23] } 9... bxc3 { [%eval 0.19] [%clk 1:21:52] } 10. Nxc3?! { [%eval -0.72] } { Inaccuracy. Nxd7 was best. } { [%clk 1:19:06] } 10... Nxe5 { [%eval -0.62] [%clk 1:14:01] } 11. dxe5 { [%eval -0.63] [%clk 1:19:26] } 11... Nd7 { [%eval -0.63] [%clk 1:14:26] } 12. f4 { [%eval -0.79] [%clk 1:17:50] } 12... c5 { [%eval -0.84] [%clk 1:10:37] } 13. Be3 { [%eval -0.71] [%clk 1:16:04] } 13... Qc7 { [%eval -0.47] [%clk 1:09:00] } 14. Bf2 { [%eval -0.46] [%clk 1:14:35] } 14... Be7 { [%eval -0.57] [%clk 1:04:00] } 15. e4 { [%eval -0.57] [%clk 1:12:43] } 15... d4 { [%eval -0.63] [%clk 0:54:17] } 16. Ne2?! { [%eval -1.61] } { Inaccuracy. Nb1 was best. } { [%clk 1:12:07] } 16... a5 { [%eval -1.79] [%clk 0:54:20] } 17. Rfd1 { [%eval -1.76] [%clk 1:05:59] } 17... Ba6 { [%eval -1.65] [%clk 0:52:21] } 18. Qd2 { [%eval -1.77] [%clk 1:05:52] } 18... d3 { [%eval -2.35] [%clk 0:43:29] } 19. Nc3 { [%eval -1.95] [%clk 1:00:52] } 19... c4 { [%eval -2.01] [%clk 0:41:48] } 20. Nb5 { [%eval -2.44] [%clk 0:53:48] } 20... Bxb5 { [%eval -2.64] [%clk 0:38:56] } 21. axb5 { [%eval -2.62] [%clk 0:54:13] } 21... Nc5?? { [%eval 0.15] } { Blunder. O-O was best. } { [%clk 0:37:20] } 22. Qc3 { [%eval 0.09] [%clk 0:45:22] } 22... Nb3 { [%eval 0.17] [%clk 0:35:03] } 23. Ra4 { [%eval 0.04] [%clk 0:45:27] } 23... Bb4?! { [%eval 0.81] } { Inaccuracy. Rc8 was best. } { [%clk 0:32:08] } 24. Qxb4 { [%eval 0.78] [%clk 0:36:35] } 24... axb4 { [%eval 0.99] [%clk 0:32:33] } 25. Rxa8+ { [%eval 0.89] [%clk 0:35:14] } 25... Kd7 { [%eval 0.82] [%clk 0:31:46] } 26. Rxh8 { [%eval 0.84] [%clk 0:35:14] } 26... d2 { [%eval 0.82] [%clk 0:31:50] } 27. Ra8?? { [%eval -1.0] } { Blunder. b6 was best. } { [%clk 0:25:24] } 27... c3 { [%eval -0.6] [%clk 0:31:40] } 28. bxc3 { [%eval -0.65] [%clk 0:25:46] } 28... bxc3 { [%eval -0.45] [%clk 0:31:45] } 29. Be3 { [%eval -0.58] [%clk 0:16:54] } 29... c2 { [%eval -0.5] [%clk 0:31:45] } 30. Rxd2+ { [%eval -0.53] } 30... Nxd2 { [%eval -0.43] [%clk 0:23:21] } 31. Bxd2 { [%eval -0.46] [%clk 0:27:01] } 31... Qb6+ { [%eval -0.53] [%clk 0:22:03] } 32. Kf1 { [%eval -0.43] [%clk 0:26:29] } 32... Qxb5+ { [%eval -0.41] [%clk 0:22:28] } 33. Ke1 { [%eval -0.54] [%clk 0:25:51] } 33... Qb1+ { [%eval -0.37] [%clk 0:21:07] } 34. Kf2 { [%eval -0.46] [%clk 0:26:16] } 34... Qb2 { [%eval -0.32] [%clk 0:18:24] } 35. Kf3 { [%eval -0.26] } 35... Qd4 { [%eval -0.35] [%clk 0:16:37] } 36. Be3 { [%eval -0.31] [%clk 0:23:34] } 36... Qd3 { [%eval -0.3] [%clk 0:14:26] } 37. Kf2 { [%eval -0.36] [%clk 0:23:28] } 37... Qxe3+ { [%eval -0.35] [%clk 0:14:47] } 38. Kxe3 { [%eval -0.32] } 38... c1=Q+ { [%eval -0.34] [%clk 0:15:03] } 39. Kf2 { [%eval -0.27] [%clk 0:24:18] } 39... g5 { [%eval -0.09] [%clk 0:14:17] } 40. fxg5 { [%eval -0.17] [%clk 0:24:01] } 40... Qxg5 { [%eval -0.03] [%clk 0:14:36] } 41. Ra2 { [%eval -0.04] [%clk 0:24:12] } 41... Qxe5 { [%eval -0.02] [%clk 0:13:42] } 42. Bf3 { [%eval -0.1] [%clk 0:24:28] } 42... f5 { [%eval 0.0] [%clk 0:10:38] } 43. exf5 { [%eval 0.0] [%clk 0:24:50] } 43... Qxf5 { [%eval 0.0] [%clk 0:10:36] } 44. Rd2+ { [%eval 0.0] } 44... Ke7 { [%eval 0.0] [%clk 0:11:23] } 45. Kg2 { [%eval 0.0] [%clk 0:25:15] } 45... Kf6 { [%eval 0.0] [%clk 0:10:50] } 46. Re2 { [%eval 0.0] [%clk 0:25:25] } 46... e5 { [%eval 0.0] [%clk 0:10:40] } 47. Be4 { [%eval 0.0] [%clk 0:25:45] } 47... Qh5 { [%eval 0.0] [%clk 0:10:07] } 48. Rb2 { [%eval 0.0] [%clk 0:25:44] } 48... h6 { [%eval 0.0] [%clk 0:09:56] } 49. Bf3 { [%eval 0.0] [%clk 0:25:07] } 49... Qg5 { [%eval 0.0] [%clk 0:09:36] } 50. Rf2 { [%eval 0.0] [%clk 0:25:01] } 50... Ke6 { [%eval 0.0] [%clk 0:09:35] } 51. Re2 { [%eval 0.0] [%clk 0:25:21] } 51... Kd6 52. Rc2 Qe3 53. Re2 Qd3 54. Kf2 Qd4+ 55. Kg2 Kc5 56. Re4 Qd2+ { [%clk 0:09:50] } 57. Re2 { [%clk 0:26:54] } 1/2-1/2