Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group B)
Site: Daqing, China
Date: 2025-07-31
White: Xu, Bofang
WhiteElo: 1557
Black: Chen, Zhongkai
BlackElo: 1842
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard
TimeControl: 60+30

1. e4 { [%eval 0.18] [%clk 1:00:59] } 1... c5 { [%eval 0.25] [%clk 1:00:59] } 2. Nf3 { [%eval 0.2] [%clk 1:01:28] } 2... Nc6 { [%eval 0.3] [%clk 1:01:18] } 3. Bb5 { [%eval 0.17] [%clk 1:01:57] } 3... d6 { [%eval 0.37] [%clk 1:01:41] } 4. O-O { [%eval 0.28] [%clk 1:02:23] } 4... Bd7 { [%eval 0.34] [%clk 1:02:08] } 5. Re1 { [%eval 0.33] [%clk 1:02:40] } 5... g6 { [%eval 0.58] [%clk 1:02:33] } 6. c3 { [%eval 0.59] [%clk 1:03:02] } 6... a6 { [%eval 0.72] [%clk 1:02:51] } 7. Bc4 { [%eval 0.47] [%clk 1:03:28] } 7... b5 { [%eval 0.73] [%clk 1:02:48] } 8. Bf1 { [%eval 0.69] [%clk 1:03:52] } 8... Bg7 { [%eval 0.59] [%clk 1:03:08] } 9. a4 { [%eval 0.78] [%clk 1:04:18] } 9... b4 { [%eval 0.67] [%clk 1:02:17] } 10. h3 { [%eval 0.81] [%clk 1:03:10] } 10... Qb6 { [%eval 1.03] [%clk 1:02:00] } 11. d3 { [%eval 0.66] [%clk 1:00:01] } 11... Nf6 { [%eval 0.73] [%clk 0:59:53] } 12. Nbd2 { [%eval 0.24] [%clk 0:59:42] } 12... O-O { [%eval 0.32] [%clk 0:59:53] } 13. Nc4 { [%eval 0.37] [%clk 0:59:52] } 13... Qc7 { [%eval 0.31] [%clk 1:00:04] } 14. Bf4 { [%eval 0.11] [%clk 0:59:09] } 14... e5 { [%eval 0.09] [%clk 0:58:35] } 15. Bh2 { [%eval 0.16] [%clk 0:59:24] } 15... Be6 { [%eval 0.32] [%clk 0:58:58] } 16. Ne3?! { [%eval -0.31] } { Inaccuracy. d4 was best. } { [%clk 0:54:35] } 16... Qa5 { [%eval 0.17] [%clk 0:50:04] } 17. Qc2 { [%eval -0.18] [%clk 0:53:18] } 17... h6 { [%eval -0.19] [%clk 0:45:55] } 18. Nd2 { [%eval -0.18] [%clk 0:53:14] } 18... Rab8 { [%eval -0.1] [%clk 0:41:23] } 19. Nec4 { [%eval -0.2] [%clk 0:53:21] } 19... Qc7 { [%eval -0.22] [%clk 0:41:47] } 20. f4 { [%eval -0.17] [%clk 0:53:28] } 20... Nd7 { [%eval -0.21] [%clk 0:41:30] } 21. g4? { [%eval -1.69] } { Mistake. Ne3 was best. } { [%clk 0:40:41] } 21... exf4 { [%eval -1.92] [%clk 0:37:23] } 22. Bxf4 { [%eval -1.76] [%clk 0:41:01] } 22... Nde5 { [%eval -1.65] [%clk 0:35:17] } 23. Nxe5 { [%eval -1.81] [%clk 0:41:08] } 23... Nxe5 { [%eval -1.74] [%clk 0:35:45] } 24. Bxe5?! { [%eval -2.56] } { Inaccuracy. Rac1 was best. } { [%clk 0:35:52] } 24... Bxe5 { [%eval -2.59] [%clk 0:34:35] } 25. Nf3 { [%eval -2.69] [%clk 0:36:03] } 25... Bg3 { [%eval -2.56] [%clk 0:34:03] } 26. Red1?! { [%eval -3.6] } { Inaccuracy. Re2 was best. } { [%clk 0:35:52] } 26... bxc3 { [%eval -3.62] [%clk 0:33:50] } 27. Qxc3 { [%eval -3.57] [%clk 0:36:04] } 27... d5 { [%eval -3.36] [%clk 0:34:06] } 28. Rac1? { [%eval -5.32] } { Mistake. e5 was best. } { [%clk 0:35:39] } 28... Qf4 { [%eval -5.32] [%clk 0:33:46] } 29. Bg2 { [%eval -5.47] [%clk 0:35:47] } 29... dxe4 { [%eval -5.45] [%clk 0:34:08] } 30. dxe4 { [%eval -5.42] [%clk 0:36:04] } 30... Rb3 { [%eval -5.29] [%clk 0:34:35] } 31. Qd2 { [%eval -5.36] [%clk 0:31:45] } 31... Rxf3 { [%eval -5.33] [%clk 0:34:49] } 32. Bxf3 { [%eval -5.51] [%clk 0:32:07] } 32... Qxf3 { [%eval -5.47] [%clk 0:34:39] } 33. Rc3 { [%eval -5.73] [%clk 0:31:31] } 33... Bf2+ { [%eval -5.42] [%clk 0:35:06] } 34. Kh2 { [%eval -5.8] [%clk 0:31:28] } 34... Qf6 { [%eval -5.61] [%clk 0:35:34] } 35. Rf1 { [%eval -6.01] [%clk 0:29:37] } 35... Qe5+ { [%eval -5.95] [%clk 0:36:00] } 36. Kg2 { [%eval -5.88] [%clk 0:29:48] } 36... Bd4 { [%eval -5.84] [%clk 0:36:28] } 37. Rcf3 { [%eval -6.34] [%clk 0:29:16] } 37... Qxe4 { [%eval -6.52] [%clk 0:36:43] } 38. Re1 { [%eval -6.69] [%clk 0:29:12] } 38... Qb7 { [%eval -6.74] [%clk 0:35:57] } 39. Kg3 { [%eval -7.51] [%clk 0:27:11] } 39... Bd5 { [%eval -7.24] [%clk 0:36:06] } 40. Rff1 { [%eval -9.06] [%clk 0:26:53] } 40... Qb8+ { [%eval -8.59] [%clk 0:36:35] } 41. Kh4? { [%eval #-8] } { Checkmate is now unavoidable. Qf4 was best. } { [%clk 0:25:53] } 41... g5+ { [%eval #-7] [%clk 0:36:28] } 42. Kh5 { [%eval #-7] [%clk 0:24:48] } 42... Qg3 { [%eval #-6] [%clk 0:36:54] } 43. Qxg5+ { [%eval #-6] [%clk 0:22:51] } 43... hxg5 { [%eval #-5] [%clk 0:36:57] } 44. Kxg5 { [%eval #-5] [%clk 0:22:19] } 44... Be6 { [%eval #-6] [%clk 0:37:04] } 45. b4 { [%eval #-4] [%clk 0:21:47] } 45... f6+ { [%eval #-3] [%clk 0:37:32] } 46. Kg6 { [%eval #-2] [%clk 0:21:48] } 46... Qd3+ { [%eval #-3] [%clk 0:38:01] } 47. Rf5 { [%eval #-3] [%clk 0:21:42] } 47... Bxf5+ { [%eval #-2] [%clk 0:38:30] } 48. gxf5 { [%eval #-2] [%clk 0:22:04] } 48... Qg3+ { [%eval #-1] [%clk 0:38:56] } 0-1