Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group B)
Site: Daqing, China
Date: 2025-07-31
White: Sun, Baoxuan
WhiteElo: 0
Black: Song, Meitong
BlackElo: 1502
Result: 0-1
ECO: B40
Opening: Sicilian Defense: French Variation
Variant: Standard
TimeControl: 60+30

1. e4 { [%eval 0.18] [%clk 1:00:57] } 1... c5 { [%eval 0.25] [%clk 1:00:52] } 2. Nf3 { [%eval 0.2] [%clk 1:01:06] } 2... e6 { [%eval 0.28] [%clk 1:01:03] } 3. d3 { [%eval 0.0] [%clk 1:01:24] } 3... d6 { [%eval 0.17] [%clk 0:57:35] } 4. g3 { [%eval 0.12] [%clk 1:01:29] } 4... Nf6 { [%eval 0.17] [%clk 0:56:46] } 5. Bg2 { [%eval 0.11] [%clk 1:01:46] } 5... Be7 { [%eval 0.28] [%clk 0:55:37] } 6. O-O { [%eval 0.11] [%clk 1:01:33] } 6... Nc6 { [%eval 0.15] [%clk 0:54:57] } 7. Nc3 { [%eval 0.0] [%clk 1:01:41] } 7... O-O { [%eval 0.0] [%clk 0:54:49] } 8. Be3 { [%eval -0.11] [%clk 1:01:56] } 8... Rb8 { [%eval -0.08] [%clk 0:50:47] } 9. Nd2 { [%eval -0.32] [%clk 1:00:19] } 9... Bd7 { [%eval 0.0] [%clk 0:48:54] } 10. f4 { [%eval 0.03] [%clk 1:00:09] } 10... b5 { [%eval -0.01] [%clk 0:48:43] } 11. Qf3 { [%eval -0.52] [%clk 0:59:48] } 11... Nd4 { [%eval -0.46] [%clk 0:44:50] } 12. Bxd4 { [%eval -0.95] [%clk 1:00:00] } 12... cxd4 { [%eval -0.96] [%clk 0:45:12] } 13. Ne2 { [%eval -0.91] [%clk 1:00:24] } 13... e5 { [%eval -1.02] [%clk 0:44:59] } 14. c3 { [%eval -0.98] [%clk 0:59:20] } 14... dxc3 { [%eval -1.04] [%clk 0:43:09] } 15. Nxc3 { [%eval -0.94] [%clk 0:58:49] } 15... Qb6+ { [%eval -0.94] [%clk 0:42:35] } 16. Qf2?! { [%eval -1.91] } { Inaccuracy. Kh1 was best. } { [%clk 0:58:08] } 16... b4?! { [%eval -1.07] } { Inaccuracy. Bd8 was best. } { [%clk 0:39:57] } 17. Qxb6 { [%eval -1.04] [%clk 0:58:16] } 17... Rxb6 { [%eval -0.64] [%clk 0:40:02] } 18. Ne2 { [%eval -0.64] [%clk 0:58:17] } 18... Bb5 { [%eval -0.61] [%clk 0:38:38] } 19. Nc4 { [%eval -0.62] [%clk 0:56:53] } 19... Bxc4 { [%eval -0.7] [%clk 0:39:02] } 20. dxc4 { [%eval -0.61] [%clk 0:57:16] } 20... Rc8 { [%eval -0.47] [%clk 0:38:33] } 21. b3 { [%eval -0.54] [%clk 0:57:21] } 21... a5 { [%eval -0.12] [%clk 0:37:41] } 22. Bh3?! { [%eval -0.87] } { Inaccuracy. Nc1 was best. } { [%clk 0:57:26] } 22... Rcb8 { [%eval -0.41] [%clk 0:37:23] } 23. fxe5? { [%eval -1.83] } { Mistake. Rae1 was best. } { [%clk 0:55:56] } 23... dxe5 { [%eval -1.68] [%clk 0:36:38] } 24. Bg2? { [%eval -3.62] } { Mistake. Rad1 was best. } { [%clk 0:56:09] } 24... Bc5+ { [%eval -3.81] [%clk 0:36:33] } 25. Kh1 { [%eval -3.62] [%clk 0:56:28] } 25... Rd8?! { [%eval -2.48] } { Inaccuracy. Ng4 was best. } { [%clk 0:35:50] } 26. Rad1 { [%eval -2.45] [%clk 0:56:50] } 26... Rbd6 { [%eval -2.28] [%clk 0:36:17] } 27. Rxd6?! { [%eval -3.03] } { Inaccuracy. Rd5 was best. } { [%clk 0:56:31] } 27... Rxd6 { [%eval -2.87] [%clk 0:36:43] } 28. Rf5? { [%eval -5.02] } { Mistake. Ng1 was best. } { [%clk 0:56:31] } 28... Rd1+ { [%eval -4.9] [%clk 0:33:06] } 29. Rf1 { [%eval -4.76] [%clk 0:56:36] } 29... Rxf1+ { [%eval -4.65] [%clk 0:33:26] } 30. Bxf1 { [%eval -4.64] [%clk 0:56:58] } 30... Nxe4 { [%eval -4.56] [%clk 0:33:53] } 31. Kg2 { [%eval -4.33] [%clk 0:56:22] } 31... Nd2 { [%eval -4.2] [%clk 0:34:08] } 32. Nc1 { [%eval -4.86] [%clk 0:56:27] } 32... Nxf1 { [%eval -4.4] [%clk 0:33:57] } 33. Kxf1 { [%eval -4.67] [%clk 0:56:43] } 33... e4 { [%eval -3.94] [%clk 0:34:25] } 34. Kg2?! { [%eval -5.57] } { Inaccuracy. g4 was best. } { [%clk 0:56:25] } 34... f5 { [%eval -5.21] [%clk 0:34:39] } 35. Ne2 { [%eval -5.59] [%clk 0:56:21] } 35... g5 { [%eval -6.12] [%clk 0:34:55] } 36. h4 { [%eval -6.19] [%clk 0:54:31] } 36... h6 { [%eval -6.02] [%clk 0:35:19] } 37. hxg5 { [%eval -5.91] [%clk 0:53:59] } 37... hxg5 { [%eval -6.21] [%clk 0:35:27] } 38. Kh3 { [%eval -7.3] [%clk 0:53:16] } 38... Kf7 { [%eval -7.4] [%clk 0:35:31] } 39. g4 { [%eval -9.94] [%clk 0:51:44] } 39... f4 { [%eval -9.26] [%clk 0:34:48] } 40. Kh2 { [%eval -9.16] [%clk 0:51:35] } 40... Ke6 { [%eval -9.18] [%clk 0:35:03] } 41. Kh3? { [%eval #-14] } { Checkmate is now unavoidable. Nxf4+ was best. } { [%clk 0:51:44] } 41... Ke5 { [%eval -18.39] [%clk 0:34:47] } 42. Kh2?! { [%eval #-11] } { Checkmate is now unavoidable. a3 was best. } { [%clk 0:52:01] } 42... f3 { [%eval #-10] [%clk 0:32:54] } 43. Ng3 { [%eval #-8] [%clk 0:52:10] } 43... Kf4 { [%eval #-11] [%clk 0:32:53] } 44. Kh3 { [%eval #-8] [%clk 0:51:58] } 44... f2?! { [%eval -29.89] } { Lost forced checkmate sequence. e3 was best. } { [%clk 0:32:51] } 45. Kh2?! { [%eval #-8] } { Checkmate is now unavoidable. Kg2 was best. } { [%clk 0:52:22] } 0-1