[Event "BDC op"]
[Site "Uruguay"]
[Date "1988.??.??"]
[Round "?"]
[White "Arias Bouzada, Jorge"]
[Black "De la Riva, J."]
[Result "1/2-1/2"]
[ECO "D61"]
[PlyCount "38"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Nbd7 5. Bg5 Be7 6. e3 0-0 7. Qc2 c5 8. 0-0-0 cxd4 9. exd4 b6 10. Ne5 Bb7 11. Kb1 Rc8 12. Qb3 dxc4 13. Bxc4 Nd5 14. Bxe7 Nxc3+ 15. bxc3 Qxe7 16. Nxd7 Qxd7 17. d5 exd5 18. Bxd5 Bxd5 19. Rxd5 Qc7 1/2-1/2

[Event "BDC op"]
[Site "Uruguay"]
[Date "1988.??.??"]
[Round "?"]
[White "De la Riva, J."]
[Black "Soppe, Guillermo"]
[Result "0-1"]
[ECO "D38"]
[BlackElo "2435"]
[PlyCount "67"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 Bb4+ 5. Nc3 h6 6. Bh4 c5 7. dxc5 g5 8. Bg3 Nc6 9. e3 Ne4 10. Rc1 Qf6 11. Qc2 Nxc3 12. bxc3 Bxc5 13. cxd5 exd5 14. Bd3 Be6 15. 0-0 0-0 16. Rb1 Bb6 17. a3 Qg7 18. Nd4 Rac8 19. Qa2 Na5 20. Nf3 d4 21. Qe2 dxc3 22. Be5 f6 23. Bd4 Bxd4 24. Nxd4 Bd7 25. Rb4 Rc5 26. Rc1 Rfc8 27. Be4 b6 28. Qc2 Kh8 29. Nb3 Nxb3 30. Qxb3 Qe7 31. Bb1 Be6 32. Qc2 Bf5 33. e4 Re5 34. h3 0-1

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "Bademian Orchanian, Jose"]
[Black "De la Riva, J."]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2200"]
[PlyCount "43"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Nd7 7. Ne2 Bd6 8. 0-0 0-0 9. Bf4 Nb6 10. Bd3 Be6 11. Re1 Re8 12. c3 Nd5 13. Bxd6 Qxd6 14. Qd2 Bg4 15. f3 Bd7 16. c4 Nc7 17. Kh1 Ne6 18. Rad1 Rad8 19. Bc2 Bc8 20. Qa5 Nf4 21. Nxf4 Rxe1+ 22. Rxe1 1-0

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "De la Riva, J."]
[Black "Belistri, Ubaldo"]
[Result "0-1"]
[ECO "A76"]
[PlyCount "52"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Qc2 Na6 11. a3 Nc7 12. Re1 Bd7 13. Bf4 Qe7 14. Nd2 b5 15. Bf3 Bg4 16. Bxd6 Qxd6 17. e5 Rxe5 18. Rxe5 Qxe5 19. d6 Ncd5 20. Nxb5 Bf5 21. Nc4 Qe8 22. Qd2 Qxb5 23. Bxd5 Nxd5 24. Qxd5 Rd8 25. g4 Be6 26. Qg5 f6 0-1

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "De la Riva, J."]
[Black "Falco, Gerardo"]
[Result "1-0"]
[ECO "A76"]
[PlyCount "81"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Qc2 a6 11. a4 Nbd7 12. Bf4 Qc7 13. Rad1 Nh5 14. Be3 Nhf6 15. Nd2 Ne5 16. Nc4 Nxc4 17. Bxc4 Ng4 18. Bf4 Be5 19. Bxe5 Nxe5 20. Be2 f5 21. f4 Nf7 22. Bf3 Bd7 23. Rfe1 Rab8 24. Ne2 Qa5 25. Ra1 fxe4 26. Bxe4 Nh8 27. Rf1 Qb4 28. Ng3 Qd4+ 29. Kh1 Rf8 30. f5 gxf5 31. Bxf5 Bxf5 32. Nxf5 Qf6 33. Rae1 Rbe8 34. Rxe8 Rxe8 35. Qd2 Ng6 36. Nh6+ Kg7 37. Rxf6 Kxf6 38. Ng4+ Kf5 39. h3 Ne5 40. Qf2+ Ke4 41. Nf6+ 1-0

