[Event "Unacar-ch"]
[Site "Cuidad del Carmen "]
[Date "1997.??.??"]
[Round "2"]
[White "Hernandez, Mario"]
[Black "Perez, Alfredo"]
[Result "1/2-1/2"]
[ECO "C53"]
[PlyCount "78"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Bg4 8. Be3 Nf6 9. Qc2 0-0 10. 0-0-0 Na5 11. Bd3 Bxc3 12. Qxc3 c6 13. Kb1 b5 14. h3 Bd7 15. g4 Rb8 16. g5 b4 17. Qd2 Ne8 18. e5 b3 19. h4 Be6 20. a3 Nc4 21. Bxc4 Bxc4 22. h5 Bd5 23. Rh3 Qd7 24. Ng1 dxe5 25. dxe5 Qf5+ 26. Ka1 Nc7 27. f4 Rfd8 28. Rg3 Ne6 29. Qc3 Qc2 30. Qxc2 bxc2 31. Rc1 Be4 32. Ne2 Rd1 33. Rg1 Rbd8 34. Nc3 Rxg1 35. Rxg1 Bf5 36. Ka2 Rd3 37. Bc1 Nd4 38. a4 Be6+ 39. Ka3 Ne2 1/2-1/2

[Event "Unacar-ch"]
[Site "Cuidad del Carmen "]
[Date "1997.??.??"]
[Round "5"]
[White "Huerta, Jorge"]
[Black "Perez, Alfredo"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "59"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nc6 5. Bg2 Nf6 6. Nf3 Bf5 7. 0-0 g6 8. d4 Bg7 9. e3 e6 10. b3 0-0 11. Bb2 Nd5 12. Nh4 Nxc3 13. Bxc3 g5 14. Nxf5 exf5 15. Bxc6 bxc6 16. Qf3 Qf6 17. Rac1 Qg6 18. Bb4 Rfb8 19. Rxc6 g4 20. Qd5 Rd8 21. Qc4 Qh5 22. Rxc7 a5 23. Be7 Re8 24. d5 Bf8 25. Bxf8 Kxf8 26. d6 Re6 27. Rc8+ Rxc8 28. Qxc8+ Kg7 29. Qc3+ Kg8 30. d7 1-0

[Event "Unacar-ch"]
[Site "Cuidad del Carmen "]
[Date "1997.??.??"]
[Round "6"]
[White "Perez, Alfredo"]
[Black "Arjona, Erik"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "15"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 e5 3. d3 Bg4 4. Bg2 g6 5. c3 Nc6 6. Qb3 Na5 7. Qa4+ Nc6 8. Qxc6+ 1-0

