[Event "Merida 20th"]
[Site "Merida"]
[Date "1994.??.??"]
[Round "?"]
[White "Marquez, Manuel"]
[Black "Halfon, Enrique"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2110"]
[BlackElo "1860"]
[PlyCount "38"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 b6 2. d4 Bb7 3. c4 e6 4. Nc3 f5 5. e3 Nf6 6. Bd3 Bb4 7. 0-0 0-0 8. Bd2 d6 9. a3 Bxc3 10. Bxc3 Ne4 11. Qc2 Nd7 12. Nd2 Ndf6 13. f3 Ng5 14. e4 fxe4 15. fxe4 Ng4 16. Rxf8+ Qxf8 17. Rf1 Qe8 18. Rf4 Ne3 19. Qb1 Qg6 0-1

[Event "Mexico DF Mercenario"]
[Site "Mexico City"]
[Date "1993.??.??"]
[Round "3"]
[White "Marquez, Manuel"]
[Black "Davalos, Arturo"]
[Result "1-0"]
[ECO "C66"]
[PlyCount "57"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. Re1 Be7 6. h3 0-0 7. c3 h6 8. d4 a6 9. Ba4 b5 10. Bc2 Bd7 11. Nbd2 exd4 12. cxd4 Qc8 13. Nf1 Re8 14. Ng3 Bxh3 15. gxh3 Qxh3 16. Nh2 h5 17. Re3 Ng4 18. Nxg4 Qxg4 19. Qxg4 hxg4 20. d5 Ne5 21. Bd1 g6 22. Be2 Bh4 23. Kg2 Rac8 24. Bd2 c5 25. dxc6 Rxc6 26. Rc3 Rxc3 27. Bxc3 Bxg3 28. Kxg3 g5 29. Rh1 1-0

