[Event "Heredia op 1st"]
[Site "Heredia"]
[Date "2004.07.30"]
[Round "3"]
[White "Alvarado, Dizan Ernesto"]
[Black "Ruiz Barquero, Carlos"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2000"]
[BlackElo "2050"]
[PlyCount "56"]
[EventDate "2004.07.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CRI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 Nc6 4. Bg5 h6 5. Bxf6 Qxf6 6. Nd5 Qd8 7. a3 a5 8. g3 g6 9. Bg2 Bg7 10. Rb1 0-0 11. b4 axb4 12. axb4 d6 13. b5 Ne7 14. e3 f5 15. Ne2 Rb8 16. 0-0 Be6 17. Nb4 Qd7 18. Qc2 c6 19. bxc6 bxc6 20. d4 e4 21. f3 d5 22. Na6 Rxb1 23. Rxb1 exf3 24. Bxf3 dxc4 25. Nf4 Bf7 26. Nc5 Qc8 27. Rb7 Nd5 28. Nxd5 Bxd5 1/2-1/2

[Event "Heredia op 1st"]
[Site "Heredia"]
[Date "2004.07.28"]
[Round "2"]
[White "Ruiz Barquero, Carlos"]
[Black "Aragon Masis, Sergio"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2050"]
[BlackElo "1890"]
[PlyCount "41"]
[EventDate "2004.07.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CRI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Bg4 8. c4 Nb4 9. cxd5 Nf6 10. Nc3 Nbxd5 11. h3 Bh5 12. Re1+ Be7 13. Bc4 Nxc3 14. bxc3 0-0 15. g4 Bg6 16. Ne5 Ne4 17. Nxg6 Nxc3 18. Nxe7+ Qxe7 19. Rxe7 Nxd1 20. Ba3 Nc3 21. Re3 1-0

[Event "Heredia op 1st"]
[Site "Heredia"]
[Date "2004.07.26"]
[Round "1"]
[White "Rodriguez Sanchez, Mauricio"]
[Black "Ruiz Barquero, Carlos"]
[Result "0-1"]
[ECO "B93"]
[WhiteElo "1746"]
[BlackElo "2050"]
[PlyCount "38"]
[EventDate "2004.07.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CRI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 Nc6 9. 0-0 0-0 10. Qd2 Bd7 11. Kh1 Rb8 12. f4 Nxd4 13. Bxd4 Bc6 14. Qe3 b5 15. a5 b4 16. e5 dxe5 17. Bxe5 bxc3 18. Bxb8 cxb2 19. Ra2 Qxb8 0-1

