[Event "Pan American-ch U12"]
[Site "Bogota"]
[Date "2004.07.29"]
[Round "9"]
[White "Osorio, Diego Felipe"]
[Black "Peralta Chable, Oscar David"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "29"]
[EventDate "2004.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. Nc3 Bg4 4. Be2 Qd7 5. d3 h6 6. Be3 a6 7. Qd2 e6 8. h3 Bxf3 9. Bxf3 0-0-0 10. d4 Nf6 11. d5 exd5 12. Nxd5 Nxd5 13. Bg4 Nxe3 14. Bxd7+ Rxd7 15. Qxe3 1-0

[Event "Pan American-ch U12"]
[Site "Bogota"]
[Date "2004.07.28"]
[Round "7"]
[White "Osorio, Diego Felipe"]
[Black "Marquez, Alejandro Esteban"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "38"]
[EventDate "2004.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. Nf3 c6 4. Bc4 b5 5. Bb3 b4 6. Ne2 Nxe4 7. d3 Nc5 8. Be3 Nbd7 9. c4 Bb7 10. Nd2 Nxb3 11. Nxb3 c5 12. Ng3 g6 13. 0-0 Bg7 14. Re1 0-0 15. Nd2 Qc7 16. Nde4 Ne5 17. Ng5 Qc6 18. f3 d5 19. Qc1 Rfe8 0-1

[Event "Pan American-ch U12"]
[Site "Bogota"]
[Date "2004.07.27"]
[Round "6"]
[White "Orjuela, Sergio Daniel"]
[Black "Osorio, Diego Felipe"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "48"]
[EventDate "2004.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. g3 Nc6 5. Bg2 Bb4+ 6. Bd2 Qe7 7. 0-0 Bd7 8. c3 Bd6 9. Re1 Ne4 10. Qe2 e5 11. b3 Bg4 12. Kh1 Qf6 13. Kg1 Nxd2 14. Nbxd2 e4 15. Nh4 Bxe2 16. Rxe2 0-0 17. c4 dxc4 18. Nxe4 Qe7 19. bxc4 Qd7 20. d5 Ne5 21. c5 Be7 22. d6 Bxh4 23. gxh4 cxd6 24. cxd6 Qg4 0-1

[Event "Pan American-ch U12"]
[Site "Bogota"]
[Date "2004.07.26"]
[Round "5"]
[White "Osorio, Diego Felipe"]
[Black "Vargas, Pablo"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "56"]
[EventDate "2004.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Bc4 Ngf6 6. Bf4 0-0 7. Qd2 c6 8. Bh6 b5 9. Bd3 Bb7 10. Bxg7 Kxg7 11. 0-0 a6 12. Qg5 c5 13. d5 c4 14. Be2 b4 15. Nd1 Nxe4 16. Qe3 Bxd5 17. Qd4+ Ndf6 18. Bxc4 e5 19. Qd3 Nc5 20. Qe2 Bxf3 21. Qxf3 d5 22. Be2 Nfe4 23. Qe3 d4 24. Qc1 Rc8 25. f3 Nf6 26. Nf2 Nd5 27. Nd3 Nxd3 28. Bxd3 a5 0-1

[Event "Pan American-ch U12"]
[Site "Bogota"]
[Date "2004.07.25"]
[Round "2"]
[White "Jimenez, Daniel Fernando"]
[Black "Osorio, Diego Felipe"]
[Result "1/2-1/2"]
[ECO "C62"]
[PlyCount "111"]
[EventDate "2004.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c3 Be7 6. 0-0 Nf6 7. Bg5 Nxe4 8. Bxe7 Nxe7 9. Bxd7+ Qxd7 10. dxe5 0-0 11. exd6 Nxd6 12. c4 Qf5 13. Re1 Ng6 14. b3 Rad8 15. Qd4 c5 16. Qe3 Rfe8 17. Qd2 Ne4 18. Qe3 Ng5 19. Qc3 Nxf3+ 20. gxf3 Rxe1+ 21. Qxe1 Qxf3 22. Nd2 Qg4+ 23. Kf1 Qh3+ 24. Kg1 Nf4 25. Qe4 Qg4+ 26. Kh1 h6 27. Rg1 Nh3 28. Rxg4 Nxf2+ 29. Kg2 Nxe4 30. Nxe4 f5 31. Rf4 fxe4 32. Rxe4 Rd2+ 33. Kg3 Rxa2 34. Re8+ Kh7 35. Re7 b6 36. Rb7 Ra3 37. Kf4 Rxb3 38. Rxa7 Rb4 39. Ke5 Rxc4 40. Kd5 Rc1 41. Rb7 Rc2 42. Rxb6 Rxh2 43. Kxc5 h5 44. Kd4 h4 45. Ke3 g6 46. Kf3 Kh6 47. Kg4 h3 48. Kg3 Rh1 49. Rb8 Kg5 50. Rb5+ Kh6 51. Rb8 g5 52. Rh8+ Kg6 53. Rxh3 Rg1+ 54. Kf2 Rg4 55. Rd3 Rf4+ 56. Kg3 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Bogota"]
[Date "2004.07.25"]
[Round "4"]
[White "Mesa, Juan Sebastian"]
[Black "Osorio, Diego Felipe"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "48"]
[EventDate "2004.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bc4 Qe7 7. 0-0 c6 8. a4 Qe5 9. Qxe5+ dxe5 10. Rd1 Nf6 11. f3 Bc5+ 12. Kf1 0-0 13. Bg5 Ne8 14. c3 Nc7 15. b4 h6 16. Bh4 Be3 17. Ke2 Bf4 18. g3 Bg5 19. Bxg5 hxg5 20. Nd2 Rd8 21. Nf1 Bd7 22. Ne3 Ne8 23. a5 Nf6 24. Bb3 g4 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Bogota"]
[Date "2004.07.25"]
[Round "3"]
[White "Osorio, Diego Felipe"]
[Black "Kovalyov, Anton"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "86"]
[EventDate "2004.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Bc4 e6 7. Be3 Be7 8. 0-0 b5 9. Bd3 Bb7 10. a3 Nbd7 11. b4 Rc8 12. Nde2 Ne5 13. f4 Neg4 14. Qd2 Nxe3 15. Qxe3 d5 16. Qf3 dxe4 17. Nxe4 Nxe4 18. Bxe4 Qb6+ 19. Kh1 Bxe4 20. Qxe4 Qc6 21. Qxc6+ Rxc6 22. c3 0-0 23. Rac1 g6 24. Rf3 Bf6 25. Kg1 Rd8 26. Ng3 Rd4 27. Re1 Rdc4 28. Ne4 Bxc3 29. Nxc3 Rxc3 30. Rxc3 Rxc3 31. Ra1 Kg7 32. h3 Kf6 33. Kh2 Kf5 34. g3 Rc2+ 35. Kg1 Ke4 36. Re1+ Kf3 37. Rf1+ Kxg3 38. Kh1 Kxh3 39. Rf3+ Kg4 40. Rf1 Kg3 41. Rg1+ Kh3 42. Rf1 f5 43. Rf3+ Kg4 0-1

[Event "Pan American-ch U12"]
[Site "Bogota"]
[Date "2004.07.24"]
[Round "1"]
[White "Osorio, Diego Felipe"]
[Black "Espinoza Pinto, Juan"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "33"]
[EventDate "2004.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nc3 e5 4. Nf3 d4 5. Ne2 Nf6 6. c3 dxc3 7. Nxc3 Bg4 8. Be2 Bxf3 9. Bxf3 Bb4 10. Qe2 Nbd7 11. 0-0 Nc5 12. Be3 Qxd3 13. Qxd3 Nxd3 14. Nd1 0-0 15. Be2 Ne1 16. Rc1 Rfd8 17. a3 1/2-1/2

