[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1991.??.??"]
[Round "?"]
[White "Pereyra, Manuel"]
[Black "Vasta, Eduardo"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "2360"]
[PlyCount "74"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. Bf4 Bb7 5. e3 g6 6. Nbd2 Bg7 7. Bd3 0-0 8. Qe2 d6 9. h4 Nbd7 10. h5 Re8 11. hxg6 hxg6 12. 0-0-0 e5 13. dxe5 dxe5 14. Bg5 e4 15. Nxe4 Bxe4 16. Bxe4 Rxe4 17. Bxf6 Bxf6 18. Qb5 Re7 19. Rd6 Qe8 20. Rhd1 Kg7 21. Qc6 Ne5 22. Qd5 Nxf3 23. Qxf3 Be5 24. R6d5 Qc8 25. g4 Qc6 26. g5 Rd8 27. e4 Rxd5 28. Rxd5 Qe6 29. Kc2 Bc7 30. Kd3 c4+ 31. Kxc4 Qxe4+ 32. Qxe4 Rxe4+ 33. Kb5 Re5 34. c4 Kf8 35. Kc6 Re7 36. Rd7 Bf4 37. Rd8+ Re8 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1988.??.??"]
[Round "6"]
[White "Soppe, Guillermo"]
[Black "Pereyra, Manuel"]
[Result "1-0"]
[ECO "E23"]
[WhiteElo "2435"]
[PlyCount "51"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 0-0 10. Be2 f4 11. 0-0-0 fxe3 12. fxe3 Bxc5 13. Nce4 Be7 14. Nf3 Qc7 15. Kb1 b6 16. h4 Bb7 17. Ned2 Ne5 18. Nxe5 Qxe5 19. Bf3 Bc6 20. Bxc6 dxc6 21. Nf3 Qf5+ 22. Qc2 Bc5 23. e4 Qf6 24. Rd7 Rfd8 25. Rhd1 a5 26. e5 1-0

