
[Event "58th Biel Master Open"]
[Site "Biel SUI"]
[Date "2025.07.17"]
[Round "4.7"]
[White "Chen, Yuan2"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[WhiteElo "2286"]
[BlackElo "2456"]
[ECO "B42"]
[PlyCount "58"]
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7 7.Qe2 Nc6 8.Be3 Nge7 9.N1d2 O-O 10.f4 d6 11.Nf3 b5 12.Bxa7 Rxa7 13.e5 dxe5 14.O-O-O Nd5 15.Nxe5 Ncb4 16.Kb1 Nxd3 17.Qxd3 Qf6 18.g3 Rc7 19.Na5 Bd7 20.Qd4 Rfc8 21.Nxd7 Rxd7 22.Qxf6 gxf6 23.Rd3 Rdc7 24.c3 f5 25.a3 h5 26.Nb3 Kg7 27.Nd4 Kf6 28.Nc2 h4 29.Nb4 Nxb4 1/2-1/2
[Site "Biel SUI"]
[Date "2025.07.17"]
[Round "4.7"]
[White "Chen, Yuan2"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[WhiteElo "2286"]
[BlackElo "2456"]
[ECO "B42"]
[PlyCount "58"]
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7 7.Qe2 Nc6 8.Be3 Nge7 9.N1d2 O-O 10.f4 d6 11.Nf3 b5 12.Bxa7 Rxa7 13.e5 dxe5 14.O-O-O Nd5 15.Nxe5 Ncb4 16.Kb1 Nxd3 17.Qxd3 Qf6 18.g3 Rc7 19.Na5 Bd7 20.Qd4 Rfc8 21.Nxd7 Rxd7 22.Qxf6 gxf6 23.Rd3 Rdc7 24.c3 f5 25.a3 h5 26.Nb3 Kg7 27.Nd4 Kf6 28.Nc2 h4 29.Nb4 Nxb4 1/2-1/2
[Event "58th Biel Master Open"]
[Site "Biel SUI"]
[Date "2025.07.17"]
[Round "4.7"]
[White "Chen, Yuan2"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[BlackTitle "IM"]
[WhiteElo "2286"]
[BlackElo "2456"]
[ECO "B42"]
[Opening "Sicilian"]
[Variation "Kan, Polugaievsky variation"]
[EventDate "2025.07.14"]
[WhiteFideId "8618860"]
[BlackFideId "12424722"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6
8. Be3 Nge7 9. N1d2 O-O 10. f4 d6 11. Nf3 b5 12. Bxa7 Rxa7 13. e5 dxe5 14.
O-O-O Nd5 15. Nxe5 Ncb4 16. Kb1 Nxd3 17. Qxd3 Qf6 18. g3 Rc7 19. Na5 Bd7
20. Qd4 Rfc8 21. Nxd7 Rxd7 22. Qxf6 gxf6 23. Rd3 Rdc7 24. c3 f5 25. a3 h5
26. Nb3 Kg7 27. Nd4 Kf6 28. Nc2 h4 29. Nb4 Nxb4 1/2-1/2