Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group A)
Site: https://lichess.org/broadcast/boyi-cup--international-youth-open-2025--group-a/round-5/bnVgzhAE/8nW2QBy4
White: Peng, Hongchi
WhiteElo: 2378
Black: Stefansson, Vignir Vatnar
BlackTitle: GM
BlackElo: 2509
Result: 1/2-1/2
ECO: D41
Opening: Queen's Gambit Declined: Semi-Tarrasch Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:59] } 1... Nf6 { [%eval 0.19] [%clk 1:26:20] } 2. c4 { [%eval 0.18] [%clk 1:27:37] } 2... e6 { [%eval 0.14] [%clk 1:26:15] } 3. Nc3 { [%eval 0.09] [%clk 1:27:56] } 3... d5 { [%eval 0.24] [%clk 1:22:21] } 4. Nf3 { [%eval 0.08] [%clk 1:27:58] } 4... c5 { [%eval 0.17] [%clk 1:22:06] } 5. cxd5 { [%eval 0.09] [%clk 1:27:03] } 5... cxd4 { [%eval 0.1] [%clk 1:22:16] } 6. Qa4+ { [%eval 0.0] [%clk 1:22:46] } 6... Bd7 { [%eval 0.0] [%clk 1:22:30] } 7. Qxd4 { [%eval 0.07] [%clk 1:23:08] } 7... exd5 { [%eval 0.08] [%clk 1:20:12] } 8. Bg5 { [%eval -0.05] [%clk 1:15:05] } 8... Be7 { [%eval 0.15] [%clk 1:17:12] } 9. e3 { [%eval 0.14] [%clk 1:05:16] } 9... Nc6 { [%eval 0.11] [%clk 1:17:26] } 10. Qd1 { [%eval 0.06] [%clk 1:05:24] } 10... O-O { [%eval 0.11] [%clk 1:16:14] } 11. Bd3 { [%eval -0.21] [%clk 1:05:28] } 11... Bg4 { [%eval -0.02] [%clk 0:59:01] } 12. O-O { [%eval -0.07] [%clk 1:01:02] } 12... d4 { [%eval -0.02] [%clk 0:52:42] } 13. exd4 { [%eval -0.15] [%clk 1:01:21] } 13... Nxd4 { [%eval -0.06] [%clk 0:52:24] } 14. Bxh7+ { [%eval 0.0] [%clk 1:00:35] } 14... Nxh7 { [%eval -0.09] [%clk 0:51:20] } 15. Bxe7 { [%eval -0.1] [%clk 1:00:57] } 15... Bxf3 { [%eval -0.1] [%clk 0:50:06] } 16. gxf3 { [%eval -0.11] [%clk 0:54:25] } 16... Nxf3+ { [%eval -0.14] [%clk 0:48:59] } 17. Qxf3 { [%eval -0.12] [%clk 0:54:51] } 17... Qxe7 { [%eval -0.1] [%clk 0:49:21] } 18. Rfe1 { [%eval -0.18] [%clk 0:52:13] } 18... Qh4 { [%eval -0.21] [%clk 0:49:28] } 19. Qe4 { [%eval -0.14] [%clk 0:47:18] } 19... Qxe4 { [%eval -0.05] [%clk 0:49:22] } 20. Rxe4 { [%eval -0.03] [%clk 0:47:43] } 20... Rfe8 { [%eval 0.0] [%clk 0:49:38] } 21. Rae1 { [%eval 0.0] [%clk 0:47:48] } 21... Nf6 { [%eval 0.0] [%clk 0:48:06] } 22. Rxe8+ { [%eval 0.0] [%clk 0:48:12] } 22... Rxe8 { [%eval 0.0] [%clk 0:48:31] } 23. Rxe8+ { [%eval 0.0] [%clk 0:48:29] } 23... Nxe8 { [%eval 0.0] [%clk 0:48:55] } 24. Kg2 { [%eval 0.0] [%clk 0:48:52] } 24... f6 { [%eval 0.07] [%clk 0:48:59] } 25. Kf3 { [%eval 0.08] [%clk 0:49:00] } 25... Kf7 { [%eval 0.06] [%clk 0:49:08] } 26. Ke4 { [%eval 0.06] [%clk 0:49:24] } 26... Ke6 { [%eval 0.3] [%clk 0:49:32] } 27. Nb5 { [%eval 0.47] [%clk 0:49:10] } 27... a6?! { [%eval 1.56] } { Inaccuracy. f5+ was best. } { [%clk 0:48:19] } 28. Nd4+ { [%eval 1.33] [%clk 0:49:37] } 28... Ke7 { [%eval 1.66] [%clk 0:47:32] } 29. Kd5 { [%eval 1.5] [%clk 0:47:37] } 29... g5 { [%eval 1.59] [%clk 0:47:33] } 30. f4?! { [%eval 0.53] } { Inaccuracy. Ne6 was best. } { [%clk 0:41:04] } 30... Kf7?? { [%eval 2.73] } { Blunder. gxf4 was best. } { [%clk 0:22:57] } 31. a4?? { [%eval 0.0] } { Blunder. fxg5 was best. } { [%clk 0:27:12] } 31... gxf4 { [%eval 0.0] [%clk 0:20:27] } 32. Ke4 { [%eval 0.0] [%clk 0:27:39] } 32... Nd6+ { [%eval 0.0] [%clk 0:20:32] } 33. Kxf4 { [%eval 0.0] [%clk 0:28:06] } 33... b5 { [%eval 0.0] [%clk 0:17:43] } 34. axb5 { [%eval 0.0] [%clk 0:28:17] } 34... axb5 { [%eval 0.0] [%clk 0:18:09] } 35. b4 { [%eval 0.0] [%clk 0:28:33] } 35... Kg6 { [%eval 0.0] [%clk 0:18:02] } 36. h3 { [%eval 0.0] [%clk 0:25:45] } 36... Kh5 { [%eval 0.0] [%clk 0:16:47] } 37. Nf3 { [%eval 0.0] [%clk 0:24:07] } 37... Kg6 { [%eval 0.0] [%clk 0:17:09] } 38. Nd2 { [%eval 0.01] [%clk 0:22:43] } 1/2-1/2