
[Event "7th Boyi Cup 2025"]
[Site "Daqing CHN"]
[Date "2025.08.01"]
[Round "3.2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Hou, Yifan b"]
[Result "1-0"]
[WhiteElo "2509"]
[BlackElo "2301"]
[ECO "D02"]
[PlyCount "125"]
1.Nf3 d5 2.d4 Nf6 3.g3 e6 4.Bg2 c5 5.O-O cxd4 6.b3 Be7 7.Bb2 b6 8.Nxd4 Bb7 9.c4 Qd7 10.Nd2 dxc4 11.Bxb7 Qxb7 12.Nxc4 O-O 13.Rc1 Rd8 14.Qc2 Nc6 15.Nxc6 Qxc6 16.Ne5 Qxc2 17.Rxc2 Rdc8 18.Nc6 Bc5 19.Rxc5 bxc5 20.Ne7+ Kf8 21.Nxc8 Rxc8 22.Bxf6 gxf6 23.Rc1 Ke7 24.Rc4 f5 25.Kg2 Kd6 26.Rh4 Rh8 27.Kf3 h6 28.Ke3 Kc6 29.Kd3 f6 30.Kc4 Rh7 31.e3 Rh8 32.f3 Rh7 33.Rh5 Kd6 34.a3 Rh8 35.h3 Rh7 36.g4 fxg4 37.hxg4 e5 38.f4 exf4 39.exf4 Rg7 40.Rxh6 Rxg4 41.Rxf6+ Ke7 42.Ra6 Rxf4+ 43.Kxc5 Rf5+ 44.Kb4 Rf4+ 45.Kb5 Rf5+ 46.Ka4 Kd7 47.Rxa7+ Kc6 48.b4 Kb6 49.Rh7 Rf6 50.Rh3 Rg6 51.Kb3 Rf6 52.a4 Ka6 53.a5 Rg6 54.Ka4 Rf6 55.b5+ Kb7 56.Rh7+ Ka8 57.b6 Rf4+ 58.Kb5 Rf5+ 59.Ka6 Rf8 60.Rh5 Kb8 61.Kb5 Rg8 62.a6 Ka8 63.Rc5 1-0
[Site "Daqing CHN"]
[Date "2025.08.01"]
[Round "3.2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Hou, Yifan b"]
[Result "1-0"]
[WhiteElo "2509"]
[BlackElo "2301"]
[ECO "D02"]
[PlyCount "125"]
1.Nf3 d5 2.d4 Nf6 3.g3 e6 4.Bg2 c5 5.O-O cxd4 6.b3 Be7 7.Bb2 b6 8.Nxd4 Bb7 9.c4 Qd7 10.Nd2 dxc4 11.Bxb7 Qxb7 12.Nxc4 O-O 13.Rc1 Rd8 14.Qc2 Nc6 15.Nxc6 Qxc6 16.Ne5 Qxc2 17.Rxc2 Rdc8 18.Nc6 Bc5 19.Rxc5 bxc5 20.Ne7+ Kf8 21.Nxc8 Rxc8 22.Bxf6 gxf6 23.Rc1 Ke7 24.Rc4 f5 25.Kg2 Kd6 26.Rh4 Rh8 27.Kf3 h6 28.Ke3 Kc6 29.Kd3 f6 30.Kc4 Rh7 31.e3 Rh8 32.f3 Rh7 33.Rh5 Kd6 34.a3 Rh8 35.h3 Rh7 36.g4 fxg4 37.hxg4 e5 38.f4 exf4 39.exf4 Rg7 40.Rxh6 Rxg4 41.Rxf6+ Ke7 42.Ra6 Rxf4+ 43.Kxc5 Rf5+ 44.Kb4 Rf4+ 45.Kb5 Rf5+ 46.Ka4 Kd7 47.Rxa7+ Kc6 48.b4 Kb6 49.Rh7 Rf6 50.Rh3 Rg6 51.Kb3 Rf6 52.a4 Ka6 53.a5 Rg6 54.Ka4 Rf6 55.b5+ Kb7 56.Rh7+ Ka8 57.b6 Rf4+ 58.Kb5 Rf5+ 59.Ka6 Rf8 60.Rh5 Kb8 61.Kb5 Rg8 62.a6 Ka8 63.Rc5 1-0
[Event "7th Boyi Cup 2025"]
[Site "Daqing CHN"]
[Date "2025.08.01"]
[Round "3.2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Hou, Yifan b"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2509"]
[BlackElo "2301"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[EventDate "2025.07.31"]
[WhiteFideId "2308649"]
[BlackFideId "8619492"]
1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 c5 5. O-O cxd4 6. b3 Be7 7. Bb2 b6 8.
Nxd4 Bb7 9. c4 Qd7 10. Nd2 dxc4 11. Bxb7 Qxb7 12. Nxc4 O-O 13. Rc1 Rd8 14.
Qc2 Nc6 15. Nxc6 Qxc6 16. Ne5 Qxc2 17. Rxc2 Rdc8 18. Nc6 Bc5 19. Rxc5 bxc5
20. Ne7+ Kf8 21. Nxc8 Rxc8 22. Bxf6 gxf6 23. Rc1 Ke7 24. Rc4 f5 25. Kg2 Kd6
26. Rh4 Rh8 27. Kf3 h6 28. Ke3 Kc6 29. Kd3 f6 30. Kc4 Rh7 31. e3 Rh8 32. f3
Rh7 33. Rh5 Kd6 34. a3 Rh8 35. h3 Rh7 36. g4 fxg4 37. hxg4 e5 38. f4 exf4
39. exf4 Rg7 40. Rxh6 Rxg4 41. Rxf6+ Ke7 42. Ra6 Rxf4+ 43. Kxc5 Rf5+ 44.
Kb4 Rf4+ 45. Kb5 Rf5+ 46. Ka4 Kd7 47. Rxa7+ Kc6 48. b4 Kb6 49. Rh7 Rf6 50.
Rh3 Rg6 51. Kb3 Rf6 52. a4 Ka6 53. a5 Rg6 54. Ka4 Rf6 55. b5+ Kb7 56. Rh7+
Ka8 57. b6 Rf4+ 58. Kb5 Rf5+ 59. Ka6 Rf8 60. Rh5 Kb8 61. Kb5 Rg8 62. a6 Ka8
63. Rc5 1-0