[Event "Argentino Hotel op"]
[Site "Uruguay"]
[Date "1987.??.??"]
[Round "?"]
[White "Bademian Orchanian, Jose"]
[Black "Piedra, F."]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2200"]
[PlyCount "95"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. 0-0 Bg4 8. Be3 e5 9. fxe5 dxe5 10. d5 Nd4 11. Be2 Bxf3 12. Bxf3 c6 13. Kh1 cxd5 14. exd5 Nxf3 15. Qxf3 Qd7 16. Rad1 Ng4 17. Bc5 Rfd8 18. h3 Nh6 19. Ne4 Nf5 20. c4 Rac8 21. b3 b5 22. g4 Nd4 23. Bxd4 exd4 24. Rc1 bxc4 25. Rxc4 Qb7 26. Rxc8 Qxc8 27. Qxf7+ Kh8 28. Qe6 Qxe6 29. dxe6 Re8 30. Nc5 d3 31. Nxd3 Rxe6 32. Re1 Rxe1+ 33. Nxe1 Bc3 34. Nd3 Kg7 35. Kg2 h5 36. Kf3 Kf6 37. gxh5 gxh5 38. Nf4 Kg5 39. Nd5 Bd4 40. b4 Kh4 41. Kg2 Kg5 42. a4 Kf5 43. Kf3 Ke5 44. Nf4 Bc3 45. b5 Kd4 46. Ne2+ Kc4 47. Nxc3 Kxc3 48. a5 1-0

[Event "Argentino Hotel op"]
[Site "Uruguay"]
[Date "1987.??.??"]
[Round "?"]
[White "Lamas Baliero, Pedro"]
[Black "Piedra, F."]
[Result "1-0"]
[ECO "A01"]
[PlyCount "61"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. e3 f5 4. d4 e4 5. c4 Nf6 6. Nc3 g6 7. Nh3 Bg7 8. Nf4 0-0 9. h4 c6 10. Be2 Na6 11. a3 Nc7 12. Qc2 Ne6 13. g3 Nxf4 14. gxf4 Bd7 15. h5 Nxh5 16. Bxh5 gxh5 17. Rxh5 b5 18. Rg5 bxc4 19. d5 cxb3 20. Qxb3 Rb8 21. Nb5 Qxg5 22. dxc6+ Rf7 23. fxg5 Bxc6 24. Bxg7 Rxb5 25. Qc3 Rc5 26. Qd4 Rxg7 27. Qxd6 Rc2 28. Qd8+ Kf7 29. Qf6+ Kg8 30. Rd1 Rd7 31. Rxd7 1-0

[Event "Piriapolis op"]
[Site "Piriapolis"]
[Date "1987.??.??"]
[Round "?"]
[White "Larrea, Osvaldo"]
[Black "Piedra, F."]
[Result "1/2-1/2"]
[ECO "A81"]
[PlyCount "58"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. c3 d6 6. 0-0 c6 7. Nbd2 0-0 8. Nc4 Be6 9. Ne3 Kh8 10. d5 Bg8 11. dxc6 Nxc6 12. Qa4 e5 13. Rd1 Qb6 14. Rxd6 Ne4 15. Rd1 Nxf2 16. Kxf2 f4 17. Qc2 fxe3+ 18. Bxe3 Qc7 19. Kg1 Nb4 20. Qc1 Nd5 21. Ng5 Nxe3 22. Qxe3 Rad8 23. Rxd8 Rxd8 24. Bh3 Qd6 25. Rf1 Qd2 26. Qxd2 Rxd2 27. Kf2 Rxb2 28. Rd1 h6 29. Ne6 Bxe6 1/2-1/2

[Event "Argentino Hotel op"]
[Site "Uruguay"]
[Date "1987.??.??"]
[Round "?"]
[White "Piedra, F."]
[Black "Bauza, Alejandro"]
[Result "0-1"]
[ECO "C15"]
[BlackElo "2250"]
[PlyCount "60"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Nc6 9. Bb2 Rg6 10. Qd2 Ne7 11. 0-0-0 Bd7 12. f3 Bc6 13. Bc4 Qd7 14. Qe2 0-0-0 15. fxe4 Bxe4 16. Nf3 Qa4 17. Bb3 Qa5 18. Rhf1 Nf5 19. g3 Bxf3 20. Rxf3 Rg4 21. Bxe6+ fxe6 22. Qxe6+ Nd7 23. Qxf5 Qxf5 24. Rxf5 Nb6 25. Rf7 Rd7 26. Rdf1 Rg7 27. Rxg7 Rxg7 28. Kb1 Kd7 29. Ka2 Nc4 30. Kb3 Nd2+ 0-1

[Event "Piriapolis op"]
[Site "Piriapolis"]
[Date "1987.??.??"]
[Round "?"]
[White "Piedra, F."]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "B74"]
[PlyCount "66"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 Nc6 8. Nb3 0-0 9. Be3 Be6 10. f4 Qc8 11. Bf3 a5 12. Nd5 Bxd5 13. exd5 Nb8 14. c3 a4 15. Nd4 a3 16. bxa3 Qxc3 17. Re1 Na6 18. Qb3 Qc7 19. Nb5 Qd7 20. Rac1 Rfc8 21. h3 Nc5 22. Bxc5 dxc5 23. Re2 Ra6 24. Rce1 c4 25. Qb4 Nxd5 26. Bxd5 Qxd5 27. Rxe7 Qc6 28. Nc7 Bd4+ 29. Kh2 Bc5 30. Re8+ Rxe8 31. Rxe8+ Qxe8 32. Qxc5 Rc6 33. Qa5 Qd8 0-1

