
[Event "7th Boyi Cup 2025"]
[Site "Daqing CHN"]
[Date "2025.08.02"]
[Round "5.1"]
[White "Peng, Hongchi"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[WhiteElo "2402"]
[BlackElo "2509"]
[ECO "D41"]
[PlyCount "75"]
1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 c5 5.cxd5 cxd4 6.Qa4+ Bd7 7.Qxd4 exd5 8.Bg5 Be7 9.e3 Nc6 10.Qd1 O-O 11.Bd3 Bg4 12.O-O d4 13.exd4 Nxd4 14.Bxh7+ Nxh7 15.Bxe7 Bxf3 16.gxf3 Nxf3+ 17.Qxf3 Qxe7 18.Rfe1 Qh4 19.Qe4 Qxe4 20.Rxe4 Rfe8 21.Rae1 Nf6 22.Rxe8+ Rxe8 23.Rxe8+ Nxe8 24.Kg2 f6 25.Kf3 Kf7 26.Ke4 Ke6 27.Nb5 a6 28.Nd4+ Ke7 29.Kd5 g5 30.f4 Kf7 31.a4 gxf4 32.Ke4 Nd6+ 33.Kxf4 b5 34.axb5 axb5 35.b4 Kg6 36.h3 Kh5 37.Nf3 Kg6 38.Nd2 1/2-1/2
[Site "Daqing CHN"]
[Date "2025.08.02"]
[Round "5.1"]
[White "Peng, Hongchi"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[WhiteElo "2402"]
[BlackElo "2509"]
[ECO "D41"]
[PlyCount "75"]
1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 c5 5.cxd5 cxd4 6.Qa4+ Bd7 7.Qxd4 exd5 8.Bg5 Be7 9.e3 Nc6 10.Qd1 O-O 11.Bd3 Bg4 12.O-O d4 13.exd4 Nxd4 14.Bxh7+ Nxh7 15.Bxe7 Bxf3 16.gxf3 Nxf3+ 17.Qxf3 Qxe7 18.Rfe1 Qh4 19.Qe4 Qxe4 20.Rxe4 Rfe8 21.Rae1 Nf6 22.Rxe8+ Rxe8 23.Rxe8+ Nxe8 24.Kg2 f6 25.Kf3 Kf7 26.Ke4 Ke6 27.Nb5 a6 28.Nd4+ Ke7 29.Kd5 g5 30.f4 Kf7 31.a4 gxf4 32.Ke4 Nd6+ 33.Kxf4 b5 34.axb5 axb5 35.b4 Kg6 36.h3 Kh5 37.Nf3 Kg6 38.Nd2 1/2-1/2
[Event "7th Boyi Cup 2025"]
[Site "Daqing CHN"]
[Date "2025.08.02"]
[Round "5.1"]
[White "Peng, Hongchi"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2402"]
[BlackElo "2509"]
[ECO "D41"]
[Opening "QGD"]
[Variation "Semi-Tarrasch, 5.cd"]
[EventDate "2025.07.31"]
[WhiteFideId "8609047"]
[BlackFideId "2308649"]
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 cxd4 6. Qa4+ Bd7 7. Qxd4
exd5 8. Bg5 Be7 9. e3 Nc6 10. Qd1 O-O 11. Bd3 Bg4 12. O-O d4 13. exd4 Nxd4
14. Bxh7+ Nxh7 15. Bxe7 Bxf3 16. gxf3 Nxf3+ 17. Qxf3 Qxe7 18. Rfe1 Qh4 19.
Qe4 Qxe4 20. Rxe4 Rfe8 21. Rae1 Nf6 22. Rxe8+ Rxe8 23. Rxe8+ Nxe8 24. Kg2
f6 25. Kf3 Kf7 26. Ke4 Ke6 27. Nb5 a6 28. Nd4+ Ke7 29. Kd5 g5 30. f4 Kf7
31. a4 gxf4 32. Ke4 Nd6+ 33. Kxf4 b5 34. axb5 axb5 35. b4 Kg6 36. h3 Kh5
37. Nf3 Kg6 38. Nd2 1/2-1/2