
[Event "58th Biel Master Open"]
[Site "Biel SUI"]
[Date "2025.07.15"]
[Round "2.8"]
[White "Mostertman, M"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[WhiteElo "2212"]
[BlackElo "2456"]
[ECO "B40"]
[PlyCount "111"]
1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 Qxd5 5.d4 Nf6 6.Na3 a6 7.Nc4 Nbd7 8.Be2 Be7 9.O-O O-O 10.Nfe5 cxd4 11.Bf3 Qc5 12.cxd4 Qc7 13.Bf4 Nxe5 14.Nxe5 Qb6 15.Nc4 Qb5 16.Rc1 Bd7 17.b3 Bc6 18.Nd6 Bxf3 19.Qxf3 Bxd6 20.Bxd6 Rfc8 21.Be5 Nd7 22.Bc7 Nf6 23.Be5 Qd5 24.Qg3 Ne8 25.Qe3 f6 26.Bg3 Kf7 27.h3 Rxc1 28.Rxc1 Rd8 29.Re1 h6 30.Re2 g5 31.Re1 Ng7 32.Rc1 Nf5 33.Rc7+ Rd7 34.Rxd7+ Qxd7 35.Qe4 Kg7 36.h4 Nxd4 37.hxg5 hxg5 38.f3 e5 39.Bf2 Nb5 40.a4 Nc3 41.Qc4 Nd5 42.b4 Nf4 43.Be3 b5 44.axb5 axb5 45.Qe4 Ne2+ 46.Kh2 Qc8 47.Bxg5 Nc3 48.Qh4 fxg5 49.Qxg5+ Kf7 50.Qh5+ Kf6 51.Qh6+ Ke7 52.Qh7+ Kd6 53.Qd3+ Ke7 54.Qh7+ Kf6 55.Qh6+ Ke7 56.Qh7+ 1/2-1/2
[Site "Biel SUI"]
[Date "2025.07.15"]
[Round "2.8"]
[White "Mostertman, M"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[WhiteElo "2212"]
[BlackElo "2456"]
[ECO "B40"]
[PlyCount "111"]
1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 Qxd5 5.d4 Nf6 6.Na3 a6 7.Nc4 Nbd7 8.Be2 Be7 9.O-O O-O 10.Nfe5 cxd4 11.Bf3 Qc5 12.cxd4 Qc7 13.Bf4 Nxe5 14.Nxe5 Qb6 15.Nc4 Qb5 16.Rc1 Bd7 17.b3 Bc6 18.Nd6 Bxf3 19.Qxf3 Bxd6 20.Bxd6 Rfc8 21.Be5 Nd7 22.Bc7 Nf6 23.Be5 Qd5 24.Qg3 Ne8 25.Qe3 f6 26.Bg3 Kf7 27.h3 Rxc1 28.Rxc1 Rd8 29.Re1 h6 30.Re2 g5 31.Re1 Ng7 32.Rc1 Nf5 33.Rc7+ Rd7 34.Rxd7+ Qxd7 35.Qe4 Kg7 36.h4 Nxd4 37.hxg5 hxg5 38.f3 e5 39.Bf2 Nb5 40.a4 Nc3 41.Qc4 Nd5 42.b4 Nf4 43.Be3 b5 44.axb5 axb5 45.Qe4 Ne2+ 46.Kh2 Qc8 47.Bxg5 Nc3 48.Qh4 fxg5 49.Qxg5+ Kf7 50.Qh5+ Kf6 51.Qh6+ Ke7 52.Qh7+ Kd6 53.Qd3+ Ke7 54.Qh7+ Kf6 55.Qh6+ Ke7 56.Qh7+ 1/2-1/2
[Event "58th Biel Master Open"]
[Site "Biel SUI"]
[Date "2025.07.15"]
[Round "2.8"]
[White "Mostertman, M"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2212"]
[BlackElo "2456"]
[ECO "B40"]
[Opening "Sicilian defence"]
[EventDate "2025.07.14"]
[WhiteFideId "1025848"]
[BlackFideId "12424722"]
1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 a6 7. Nc4 Nbd7 8.
Be2 Be7 9. O-O O-O 10. Nfe5 cxd4 11. Bf3 Qc5 12. cxd4 Qc7 13. Bf4 Nxe5 14.
Nxe5 Qb6 15. Nc4 Qb5 16. Rc1 Bd7 17. b3 Bc6 18. Nd6 Bxf3 19. Qxf3 Bxd6 20.
Bxd6 Rfc8 21. Be5 Nd7 22. Bc7 Nf6 23. Be5 Qd5 24. Qg3 Ne8 25. Qe3 f6 26.
Bg3 Kf7 27. h3 Rxc1 28. Rxc1 Rd8 29. Re1 h6 30. Re2 g5 31. Re1 Ng7 32. Rc1
Nf5 33. Rc7+ Rd7 34. Rxd7+ Qxd7 35. Qe4 Kg7 36. h4 Nxd4 37. hxg5 hxg5 38.
f3 e5 39. Bf2 Nb5 40. a4 Nc3 41. Qc4 Nd5 42. b4 Nf4 43. Be3 b5 44. axb5
axb5 45. Qe4 Ne2+ 46. Kh2 Qc8 47. Bxg5 Nc3 48. Qh4 fxg5 49. Qxg5+ Kf7 50.
Qh5+ Kf6 51. Qh6+ Ke7 52. Qh7+ Kd6 53. Qd3+ Ke7 54. Qh7+ Kf6 55. Qh6+ Ke7
56. Qh7+ 1/2-1/2