[Event "San Mateo op"]
[Site "San Mateo"]
[Date "1992.??.??"]
[Round "?"]
[White "Vaccarezza, Robert"]
[Black "De Leon, Joseph"]
[Result "0-1"]
[ECO "A77"]
[PlyCount "86"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Nbd7 11. Nd2 Qc7 12. Nc4 Rb8 13. a5 Re8 14. Qc2 b5 15. axb6 Nxb6 16. f4 Nxc4 17. Bxc4 Rb6 18. h3 Nd7 19. Bd2 Qd8 20. g3 Qe7 21. Kh2 Nf8 22. Rfe1 Qd7 23. Bf1 Rb8 24. Na4 Qd8 25. Bc3 f6 26. Bd2 Re7 27. e5 fxe5 28. fxe5 Rxe5 29. Bf4 Rxe1 30. Rxe1 Bf5 31. Qd2 Rb4 32. Nc3 Qb8 33. Re2 Nd7 34. Rf2 Ne5 35. Bxe5 Bxe5 36. Bxa6 Rh4 37. Bf1 Qc8 38. Qg5 Rh5 39. Qe7 Bxh3 40. Qf7+ Kh8 41. Kg1 Bxf1 42. Rxf1 Bd4+ 43. Rf2 Rf5 0-1

