[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2004.07.30"]
[Round "9"]
[White "Martinez Leon, Camilo"]
[Black "Osuna, Omar"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "46"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. g3 e5 4. Bg2 Nf6 5. Ne2 Be7 6. Bb2 d6 7. 0-0 Be6 8. Nbc3 Qd7 9. Re1 Bh3 10. Bh1 h5 11. f4 h4 12. fxe5 dxe5 13. Nd5 Nxd5 14. exd5 Nd4 15. d6 Qxd6 16. Nxd4 cxd4 17. Qf3 Bc8 18. Rf1 f6 19. Qd3 Rb8 20. Be4 hxg3 21. Qxg3 Rf8 22. Rae1 Bd7 23. d3 Qb6 1-0

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2004.07.28"]
[Round "7"]
[White "Osuna, Omar"]
[Black "Valle Pinto, Leiner"]
[Result "1-0"]
[ECO "B95"]
[PlyCount "68"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qd2 Nbd7 9. 0-0-0 Qc7 10. h4 b5 11. Bd3 Bb7 12. Nb3 Rc8 13. a3 Nc5 14. Nxc5 Qxc5 15. Rhe1 h6 16. Bxf6 Bxf6 17. Na2 Bxh4 18. Re3 Bf6 19. Be2 d5 20. exd5 Bxd5 21. Nb4 Bd4 22. Qxd4 Qxd4 23. Rxd4 Bxg2 24. Nxa6 h5 25. Bxb5+ Ke7 26. Rg3 Bd5 27. Nb4 h4 28. Nxd5+ exd5 29. Rxg7 h3 30. Rg1 h2 31. Rh1 Rhg8 32. Rxh2 Rg1+ 33. Rd1 Rg4 34. Rdh1 Kf6 1-0

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2004.07.28"]
[Round "8"]
[White "Ramirez Garcia, Eliot"]
[Black "Osuna, Omar"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "30"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bd3 a6 8. Na3 b5 9. Nab1 Nd4 10. 0-0 Bg4 11. f3 Be7 12. Ne2 Qb6 13. Kh1 Nxe2 14. Qxe2 h5 15. Be3 Bd7 1-0

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2004.07.27"]
[Round "6"]
[White "Aponte, Jorge Enrique"]
[Black "Osuna, Omar"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "60"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Be6 12. Nc2 Bxd5 13. Qxd5 Ne7 14. Qd3 0-0 15. 0-0-0 Nc8 16. Kb1 Be7 17. h4 h5 18. Be2 g6 19. g4 hxg4 20. Bxg4 Kg7 21. h5 g5 22. h6+ Kh8 23. Nb4 f6 24. Nc6 Qe8 25. Nxe7 Nxe7 26. Qxd6 Rd8 27. Qxa6 Rxd1+ 28. Rxd1 Qg6 29. f3 Qxh6 30. Qxb5 Qh7 1-0

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2004.07.27"]
[Round "5"]
[White "Osuna, Omar"]
[Black "Jimenez, Alvarado Alonso"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1888"]
[PlyCount "32"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f4 0-0 8. e5 Ne8 9. Bc4 Nxd4 10. Qxd4 e6 11. Qd3 d5 12. Bc5 Qc7 13. Bxf8 dxc4 14. Nb5 cxd3 15. Nxc7 Nxc7 16. Bc5 Bh6 0-1

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2004.07.25"]
[Round "2"]
[White "Osuna, Omar"]
[Black "Alvarez Garcia, Javier"]
[Result "0-1"]
[ECO "B68"]
[PlyCount "66"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. f4 Be7 8. Qd2 a6 9. 0-0-0 Bd7 10. Be2 b5 11. Bf3 Rc8 12. g4 Qc7 13. h3 h6 14. Bh4 b4 15. Nce2 Nxe4 16. Bxe4 Bxh4 17. Qd3 d5 18. Bf3 Nxd4 19. Nxd4 Qxf4+ 20. Kb1 Bf6 21. Rhf1 Qxd4 22. Qxd4 Bxd4 23. Rxd4 a5 24. Re1 0-0 25. Bxd5 exd5 26. Rxd5 Be6 27. Rxa5 Ra8 28. Rxa8 Rxa8 29. b3 Kh7 30. Re4 Rb8 31. Kb2 Kg6 32. c3 bxc3+ 33. Kxc3 Kg5 0-1

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2004.07.25"]
[Round "3"]
[White "Paz, Yaroslav"]
[Black "Osuna, Omar"]
[Result "1-0"]
[ECO "E08"]
[PlyCount "42"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Qc2 Nf6 4. Nf3 e6 5. g3 Be7 6. Bg2 Nbd7 7. 0-0 0-0 8. a3 a5 9. h3 b5 10. cxd5 cxd5 11. Qc6 Ba6 12. Bf4 Qc8 13. Rc1 Qxc6 14. Rxc6 Rfc8 15. Rxc8+ Rxc8 16. Nc3 a4 17. e3 Rc6 18. Rc1 Rb6 19. Rb1 Rb8 20. Bc7 Rb7 21. Ba5 Ne8 1-0

[Event "Pan American-ch U16"]
[Site "Bogota"]
[Date "2004.07.24"]
[Round "1"]
[White "Cabrera, Diego"]
[Black "Osuna, Omar"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2095"]
[PlyCount "67"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. a3 d5 2. b4 e5 3. Bb2 Bd6 4. Nf3 Nd7 5. d3 Ngf6 6. Nbd2 b6 7. e4 d4 8. Nc4 Qe7 9. Qd2 c5 10. Nh4 Nf8 11. b5 Be6 12. Nf5 Bxf5 13. exf5 N8d7 14. g3 0-0 15. Bg2 Rac8 16. 0-0 Nb8 17. Rfe1 Rfe8 18. f4 Nfd7 19. Re2 Qf6 20. Rae1 Re7 21. g4 Bc7 22. c3 Rce8 23. fxe5 Nxe5 24. cxd4 Nxg4 25. h3 Nh6 26. dxc5 Qh4 27. f6 Re6 28. Rxe6 Rxe6 29. Rxe6 fxe6 30. fxg7 bxc5 31. Qe3 Kf7 32. Ne5+ Bxe5 33. Qxe5 Nd7 34. g8Q+ 1-0

