[Event "Mar del Plata op"]
[Site "Mar del Plata ARG"]
[Date "1991.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1/2-1/2"]
[White "Cristobal Valiente"]
[Black "Daniel Piscicelli"]
[ECO "B33"]
[WhiteElo "2370"]
[BlackElo "2275"]
[PlyCount "68"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Bb4 7. Bg2 d5 8.  exd5 Nxd5 9. Nxc6 bxc6 10. O-O Bxc3 11. bxc3 Ba6 12. Re1 O-O 13. Ba3 Re8 14.  Qd4 Qf6 15. Qxf6 gxf6 16. c4 Ne7 17. Re4 Ng6 18. Bd6 c5 19. Re3 Rac8 20. Ra3  Bxc4 21. Bb7 Rcd8 22. Bxc5 Rd2 23. Rc3 Rb8 24. Bh1 Be2 25. Bxa7 Rb2 26. Be4  Rd1+ 27. Rxd1 Bxd1 28. Be3 Kg7 29. a3 Ne5 30. Kg2 Be2 31. Rc8 Rb1 32. h3 Bf1+  33. Kh2 Be2 34. Kg2 Bf1+ 1/2-1/2