[Event "Yucatan-ch op"]
[Site "Merida"]
[Date "1994.??.??"]
[Round "?"]
[White "Cobos, G."]
[Black "Villanueva, Bruno"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "54"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Be2 0-0 6. Nf3 e5 7. dxe5 dxe5 8. Qc2 Nc6 9. 0-0 Bg4 10. Be3 Bxf3 11. Bxf3 Nd4 12. Bxd4 exd4 13. Rad1 Nd7 14. Ne2 c5 15. Nc1 Ne5 16. Be2 Nc6 17. Nd3 Re8 18. Nxc5 b6 19. Nb3 Nb4 20. Qb1 f5 21. Bf3 fxe4 22. Bxe4 Rb8 23. Bd5+ Kh8 24. Nxd4 Bxd4 25. Rxd4 Rc8 26. b3 Qd7 27. Rfd1 Rcd8 1/2-1/2

[Event "Yucatan-ch op"]
[Site "Merida"]
[Date "1994.??.??"]
[Round "?"]
[White "Mena Briceno, Daniel A"]
[Black "Cobos, G."]
[Result "1-0"]
[ECO "A27"]
[PlyCount "50"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e3 Nf6 5. d4 exd4 6. exd4 Bb4 7. Bd3 0-0 8. 0-0 Bxc3 9. bxc3 d5 10. cxd5 Nxd5 11. c4 Ndb4 12. Ba3 a5 13. d5 Ne7 14. Bxb4 axb4 15. Qb1 Ng6 16. Qxb4 Nf4 17. Qd2 Qf6 18. Bc2 Nxg2 19. Qd3 Qh6 20. Qxh7+ Qxh7 21. Bxh7+ Kxh7 22. Kxg2 Ra6 23. Ne5 f5 24. Nf3 Rh8 25. Rfe1 Kg8 1-0

