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Koinski,Carlos Cesar vs Vaz,Osvaldo Jose

2026.01.20 · game 1

White to move

PGN

[Event "Brazil Chess - Floripa"]
[Site "Florianopolis BRA"]
[Date "2026.01.20"]
[Round "5.197"]
[White "Koinski,Carlos Cesar"]
[Black "Vaz,Osvaldo Jose"]
[Result "0-1"]
[WhiteElo "1542"]
[BlackElo "1731"]
[ECO "A16"]
[Opening "English"]
[Variation "Anglo-Gruenfeld defense"]
[WhiteFideId "22720260"]
[BlackFideId "2165023"]
[EventDate "2026.01.17"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 c6 5. Bg2 g6 6. e3 Bg7 7. Nge2 O-O 8. O-O
Nxc3 9. Nxc3 Nd7 10. d4 Nf6 11. b4 Bd7 12. Bb2 Rc8 13. a3 Qc7 14. Rc1 Qb8 15.
Ba1 Rfd8 16. Qe1 h5 17. h4 Re8 18. Ne4 Rcd8 19. Nxf6+ exf6 20. Qd2 Kh7 21. Bc3
Bf5 22. Rfe1 Qd6 23. Qb2 Be4 24. Bxe4 Rxe4 25. Qe2 Bh6 26. Qf3 Rde8 27. Ba1 f5
28. Bc3 R8e6 29. Bb2 Qe7 30. Bc3 f4 31. gxf4 Qxh4 32. Kg2 Bxf4 33. Rh1 Qg5+ 34.
Kf1 Qb5+ 35. Kg1 Qf5 36. Bd2 Bh2+ 37. Kg2 Rg4+ 38. Kxh2 Qxf3 0-1

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