[Event "Merida Revolucion op"]
[Site "Merida"]
[Date "1993.??.??"]
[Round "3"]
[White "Cardena, Manuel"]
[Black "Casanova, Juan"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2050"]
[PlyCount "67"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. d5 Nb4 5. a3 Na6 6. e4 e6 7. Bxc4 e5 8. Be3 Nf6 9. Qb3 Nc5 10. Bxc5 Bxc5 11. Qb5+ Nd7 12. Nf3 f6 13. 0-0 a6 14. Qa4 Ke7 15. Ba2 Nb6 16. Qc2 Qe8 17. a4 Bd7 18. a5 Qg6 19. axb6 Bh3 20. g3 Bxf1 21. Rxf1 Bxb6 22. d6+ Kd7 23. dxc7 Bxc7 24. Rd1+ Kc8 25. Nd5 Qf7 26. Nb6+ Kb8 27. Bxf7 Bxb6 28. Qb3 Ka7 29. Rd6 Bc5 30. Bd5 Rab8 31. Rd7 Bb6 32. Nd2 Rhd8 33. Rxb7+ Ka8 34. Qxb6 1-0

[Event "Merida Revolucion op"]
[Site "Merida"]
[Date "1993.??.??"]
[Round "4"]
[White "Casanova, Juan"]
[Black "Buenfil, Ivan"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1800"]
[PlyCount "24"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Qa5+ 6. Nc3 Bd7 7. Bxc6 Bxc6 8. a3 cxd4 9. Qxd4 Bc5 10. b4 Bxd4 11. bxa5 Bxc3+ 12. Kd1 Bxa1 0-1

[Event "Merida Revolucion op"]
[Site "Merida"]
[Date "1993.??.??"]
[Round "2"]
[White "Casanova, Juan"]
[Black "Ordaz Z, Darvin"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1720"]
[PlyCount "84"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. f3 e6 6. a3 d5 7. exd5 Nxd5 8. Bb5 Bd7 9. c4 Nf6 10. Bg5 Be7 11. Bxc6 Bxc6 12. Qxd8+ Rxd8 13. b4 Ba4 14. Nc3 Bb3 15. c5 0-0 16. Nge2 h6 17. Bh4 g5 18. Bg3 Nd5 19. Nxd5 Rxd5 20. Nc3 Rd3 21. Ne4 f5 22. Nd6 f4 23. Bf2 a6 24. Ke2 Rd5 25. Rab1 Bxd6 26. Rxb3 Be7 27. h4 Rfd8 28. Be1 Rd1 29. Rh2 gxh4 30. Rc3 Bf6 31. Rc2 Ra1 32. Bxh4 Bxh4 33. Rxh4 Rxa3 34. Rxh6 Re3+ 35. Kf2 Kg7 36. Rh4 e5 37. Rg4+ Kf6 38. c6 bxc6 39. Rxc6+ Kf5 40. Rcg6 Rd2+ 41. Kg1 Re1+ 42. Kh2 e4 1-0

