Event: Round 4: Xiong, Yichen - Ba, Amy
Site: https://lichess.org/broadcast/2025-uk-chess-challenge-terafinal-under-10/round-4/FluMuY1G/hdvHW0lK
Date: 2025-10-18
White: Xiong, Yichen
WhiteElo: 1672
Black: Ba, Amy
BlackElo: 1770
Result: 1/2-1/2
ECO: D02
Opening: London System: Poisoned Pawn Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:25:20] } 1... Nf6 { [%eval 0.19] [%clk 0:25:18] } 2. Bf4 { [%eval 0.0] [%clk 0:25:28] } 2... d5 { [%eval 0.05] [%clk 0:25:26] } 3. Nf3 { [%eval 0.04] [%clk 0:25:34] } 3... c5 { [%eval 0.11] [%clk 0:25:28] } 4. e3 { [%eval 0.02] [%clk 0:25:42] } 4... Qb6 { [%eval 0.11] [%clk 0:25:26] } 5. Nc3 { [%eval 0.06] [%clk 0:25:50] } 5... e6?! { [%eval 0.61] } { Inaccuracy. c4 was best. } { [%clk 0:24:43] } 6. Nb5 { [%eval 0.57] [%clk 0:23:59] } 6... Na6 { [%eval 0.49] [%clk 0:24:28] } 7. a4 { [%eval 0.49] [%clk 0:22:39] } 7... Bd7 { [%eval 0.65] [%clk 0:22:42] } 8. a5 { [%eval 0.7] [%clk 0:21:37] } 8... Qc6 { [%eval 1.21] [%clk 0:22:26] } 9. Ne5 { [%eval 1.21] [%clk 0:20:32] } 9... Qc8 { [%eval 1.06] [%clk 0:22:26] } 10. Qf3?! { [%eval 0.31] } { Inaccuracy. c3 was best. } { [%clk 0:16:17] } 10... c4 { [%eval 0.52] [%clk 0:21:13] } 11. Nc3 { [%eval 0.37] [%clk 0:15:30] } 11... Bb4 { [%eval 0.47] [%clk 0:20:51] } 12. Bg5 { [%eval 0.43] [%clk 0:14:04] } 12... Be7 { [%eval 0.56] [%clk 0:20:30] } 13. e4 { [%eval 0.16] [%clk 0:13:23] } 13... Nb4 { [%eval 0.02] [%clk 0:16:41] } 14. Kd1?! { [%eval -0.82] } { Inaccuracy. Qd1 was best. } { [%clk 0:12:43] } 14... Bc6?! { [%eval -0.22] } { Inaccuracy. O-O was best. } { [%clk 0:15:56] } 15. Nxc6?! { [%eval -0.89] } { Inaccuracy. exd5 was best. } { [%clk 0:09:37] } 15... bxc6 { [%eval -0.97] [%clk 0:13:40] } 16. e5 { [%eval -0.78] [%clk 0:08:40] } 16... Ng8 { [%eval -0.8] [%clk 0:12:49] } 17. Qg3 { [%eval -0.86] [%clk 0:08:12] } 17... Bxg5?! { [%eval -0.15] } { Inaccuracy. Rb8 was best. } { [%clk 0:10:37] } 18. Qxg5 { [%eval -0.22] [%clk 0:08:17] } 18... g6?! { [%eval 0.51] } { Inaccuracy. Ne7 was best. } { [%clk 0:10:33] } 19. Be2?! { [%eval -0.46] } { Inaccuracy. b3 was best. } { [%clk 0:07:38] } 19... Qd8?? { [%eval 1.63] } { Blunder. Rb8 was best. } { [%clk 0:09:39] } 20. Qf4?? { [%eval -0.43] } { Blunder. Qxd8+ was best. } { [%clk 0:07:14] } 20... Ne7?! { [%eval 0.35] } { Inaccuracy. Rb8 was best. } { [%clk 0:08:13] } 21. h4?! { [%eval -0.52] } { Inaccuracy. Na4 was best. } { [%clk 0:06:54] } 21... Qd7? { [%eval 1.03] } { Mistake. Rb8 was best. } { [%clk 0:07:01] } 22. a6? { [%eval -0.51] } { Mistake. Na4 was best. } { [%clk 0:06:25] } 22... c5 { [%eval -0.63] [%clk 0:06:10] } 23. h5?! { [%eval -1.29] } { Inaccuracy. dxc5 was best. } { [%clk 0:05:10] } 23... cxd4 { [%eval -1.37] [%clk 0:05:28] } 24. Qxd4 { [%eval -1.39] [%clk 0:05:12] } 24... Nbc6 { [%eval -1.22] [%clk 0:05:15] } 25. Qc5 { [%eval -1.41] [%clk 0:05:08] } 25... Nxe5 { [%eval -1.07] [%clk 0:04:16] } 26. hxg6 { [%eval -1.54] [%clk 0:04:01] } 26... N5xg6 { [%eval -1.43] [%clk 0:03:37] } 27. Nb5 { [%eval -1.64] [%clk 0:02:23] } 27... O-O { [%eval -1.68] [%clk 0:02:23] } 28. Nd6 { [%eval -1.64] [%clk 0:02:01] } 28... Qc6 { [%eval -1.37] [%clk 0:01:56] } 29. Qa3?! { [%eval -2.1] } { Inaccuracy. Qxc6 was best. } { [%clk 0:02:01] } 29... Rfd8? { [%eval -0.46] } { Mistake. Qb6 was best. } { [%clk 0:01:38] } 30. Nb7?! { [%eval -1.5] } { Inaccuracy. Nxf7 was best. } { [%clk 0:01:52] } 30... Re8?! { [%eval -0.68] } { Inaccuracy. Rdc8 was best. } { [%clk 0:01:37] } 31. Qh3 { [%eval -1.01] [%clk 0:01:55] } 31... e5?? { [%eval 1.08] } { Blunder. Nf8 was best. } { [%clk 0:00:52] } 32. Qxh7+ { [%eval 0.89] [%clk 0:01:34] } 32... Kf8 { [%eval 0.89] [%clk 0:00:59] } 33. Qh6+ { [%eval 0.85] [%clk 0:01:07] } 33... Kg8 { [%eval 0.92] [%clk 0:01:07] } 34. Qh7+ { [%eval 1.04] [%clk 0:01:12] } 34... Kf8 { [%eval 0.9] [%clk 0:01:16] } 35. Qh6+ { [%eval 0.86] [%clk 0:00:45] } 35... Kg8 { [%eval 1.0] [%clk 0:01:24] } 36. Qh7+?! { [%eval 0.0] } { Inaccuracy. Ra3 was best. } { [%clk 0:00:22] } 36... Kf8 { [%eval 0.7] [%clk 0:01:21] } 1/2-1/2