
[Event "62nd World Juniors 2025"]
[Site "Petrovac MNE"]
[Date "2025.03.05"]
[Round "9.5"]
[White "Costa, Leonardo"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[WhiteElo "2503"]
[BlackElo "2411"]
[ECO "B28"]
[PlyCount "87"]
1.e4 c5 2.Nf3 a6 3.c3 d5 4.e5 Nc6 5.d4 cxd4 6.cxd4 Bg4 7.Be2 e6 8.Nbd2 Nge7 9.a3 Nf5 10.b4 Be7 11.O-O O-O 12.Bb2 f6 13.h3 Bxf3 14.Nxf3 Qb6 15.Kh1 fxe5 16.dxe5 Bc5 17.Qe1 Nfd4 18.Rb1 Nxe2 19.bxc5 Qb5 20.Ba1 Qd3 21.Qd1 Rxf3 22.gxf3 Qxf3+ 23.Kh2 Qf4+ 24.Kg2 Qe4+ 25.Kh2 Rf8 26.f4 Rxf4 27.Qb3 Ncd4 28.Bxd4 Nxd4 29.Qxb7 Nf3+ 30.Rxf3 Rxf3 31.Qc8+ Rf8 32.Qxe6+ Kh8 33.Rb2 Qf4+ 34.Kg2 Qf3+ 35.Kh2 Qf4+ 36.Kg2 d4 37.c6 Qf3+ 38.Kh2 Qf4+ 39.Kg2 d3 40.Qd6 Qf1+ 41.Kh2 Qf4+ 42.Kg2 Qf3+ 43.Kh2 Qf4+ 44.Kg2 1/2-1/2
[Site "Petrovac MNE"]
[Date "2025.03.05"]
[Round "9.5"]
[White "Costa, Leonardo"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[WhiteElo "2503"]
[BlackElo "2411"]
[ECO "B28"]
[PlyCount "87"]
1.e4 c5 2.Nf3 a6 3.c3 d5 4.e5 Nc6 5.d4 cxd4 6.cxd4 Bg4 7.Be2 e6 8.Nbd2 Nge7 9.a3 Nf5 10.b4 Be7 11.O-O O-O 12.Bb2 f6 13.h3 Bxf3 14.Nxf3 Qb6 15.Kh1 fxe5 16.dxe5 Bc5 17.Qe1 Nfd4 18.Rb1 Nxe2 19.bxc5 Qb5 20.Ba1 Qd3 21.Qd1 Rxf3 22.gxf3 Qxf3+ 23.Kh2 Qf4+ 24.Kg2 Qe4+ 25.Kh2 Rf8 26.f4 Rxf4 27.Qb3 Ncd4 28.Bxd4 Nxd4 29.Qxb7 Nf3+ 30.Rxf3 Rxf3 31.Qc8+ Rf8 32.Qxe6+ Kh8 33.Rb2 Qf4+ 34.Kg2 Qf3+ 35.Kh2 Qf4+ 36.Kg2 d4 37.c6 Qf3+ 38.Kh2 Qf4+ 39.Kg2 d3 40.Qd6 Qf1+ 41.Kh2 Qf4+ 42.Kg2 Qf3+ 43.Kh2 Qf4+ 44.Kg2 1/2-1/2
[Event "62nd World Juniors 2025"]
[Site "Petrovac MNE"]
[Date "2025.03.05"]
[Round "9.5"]
[White "Costa, Leonardo"]
[Black "Dau Khuong Duy"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2503"]
[BlackElo "2411"]
[ECO "B28"]
[Opening "Sicilian"]
[Variation "O'Kelly variation"]
[EventDate "2025.02.25"]
[WhiteFideId "16213955"]
[BlackFideId "12424722"]
1. e4 c5 2. Nf3 a6 3. c3 d5 4. e5 Nc6 5. d4 cxd4 6. cxd4 Bg4 7. Be2 e6 8.
Nbd2 Nge7 9. a3 Nf5 10. b4 Be7 11. O-O O-O 12. Bb2 f6 13. h3 Bxf3 14. Nxf3
Qb6 15. Kh1 fxe5 16. dxe5 Bc5 17. Qe1 Nfd4 18. Rb1 Nxe2 19. bxc5 Qb5 20.
Ba1 Qd3 21. Qd1 Rxf3 22. gxf3 Qxf3+ 23. Kh2 Qf4+ 24. Kg2 Qe4+ 25. Kh2 Rf8
26. f4 Rxf4 27. Qb3 Ncd4 28. Bxd4 Nxd4 29. Qxb7 Nf3+ 30. Rxf3 Rxf3 31. Qc8+
Rf8 32. Qxe6+ Kh8 33. Rb2 Qf4+ 34. Kg2 Qf3+ 35. Kh2 Qf4+ 36. Kg2 d4 37. c6
Qf3+ 38. Kh2 Qf4+ 39. Kg2 d3 40. Qd6 Qf1+ 41. Kh2 Qf4+ 42. Kg2 Qf3+ 43. Kh2
Qf4+ 44. Kg2 1/2-1/2