[Event "COL-ch U18"]
[Site "Cali"]
[Date "2008.01.20"]
[Round "7"]
[White "Escobar, Guido Jose"]
[Black "Osorio, Luis Alberto"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "120"]
[EventDate "2008.01.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Nc3 Be6 7. Bg5 Nbd7 8. g3 Be7 9. Bg2 h6 10. Be3 0-0 11. 0-0 c6 12. Qd2 Ng4 13. Bf4 Nge5 14. Rfe1 Nxf3+ 15. Bxf3 Bg5 16. Bxg5 Qxg5 17. Qxg5 hxg5 18. Ne4 g4 19. Bg2 d5 20. Nd2 Rae8 21. Nb3 Nf6 22. Nc5 Bc8 23. Kf1 Nd7 24. Nb3 f6 25. d4 Kf7 26. Nd2 Nb6 27. b3 Rxe1+ 28. Rxe1 Re8 29. Rc1 Bf5 30. c4 Bd3+ 31. Kg1 Re2 32. Nb1 dxc4 33. bxc4 Bxc4 34. Bf1 Re4 35. Bxc4+ Nxc4 36. Rxc4 Re1+ 37. Kg2 Rxb1 38. Ra4 a6 39. Ra5 Rb5 40. Ra4 Rd5 41. f3 f5 42. Kf2 c5 43. dxc5 Rxc5 44. fxg4 fxg4 45. Ke3 Rc2 46. Kd4 Rxh2 47. Kc5 Rg2 48. Rxg4 Rxa2 49. Rb4 Ra5+ 50. Kd6 Rb5 51. Rf4+ Kg6 52. Ke7 Rf5 53. Rb4 b5 54. g4 Rc5 55. Rb1 Rc4 56. Re1 a5 57. g5 a4 58. Re6+ Kf5 59. Kd6 Rc6+ 60. Kxc6 Kxe6 0-1

[Event "COL-ch U18"]
[Site "Cali"]
[Date "2008.01.19"]
[Round "4"]
[White "Galvis, Hardy"]
[Black "Osorio, Luis Alberto"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "72"]
[EventDate "2008.01.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Ne5 e6 6. b3 Qc7 7. c4 Bd6 8. Bf4 Nfd7 9. Qh5 g6 10. Qe2 Nxe5 11. dxe5 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 Nc6 14. Nf3 Qa5+ 15. Nd2 dxc4 16. Qxc4 Qxe5+ 17. Be2 Qxa1+ 18. Bd1 Qd4 19. Qe2 Qe5 20. Ne4 f5 21. f4 Qxe4 22. Qxe4 fxe4 23. 0-0 e5 24. fxe5 Rf8 25. Re1 Rf5 26. Rxe4 Rxe5 27. Rh4 Re1+ 28. Kf2 Rxd1 29. a4 h5 30. Re4+ Kf7 31. Rf4+ Kg7 32. h3 Rd6 33. Kg1 Bd7 34. b4 Rf8 35. Re4 Rd1+ 36. Kh2 Rff1 0-1

[Event "COL-ch U18"]
[Site "Cali"]
[Date "2008.01.19"]
[Round "5"]
[White "Osorio, Luis Alberto"]
[Black "Arias, Miguel Antonio"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "37"]
[EventDate "2008.01.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 g6 4. d4 cxd4 5. cxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. Nc3 0-0 9. h3 Bd7 10. 0-0 b6 11. e5 dxe5 12. dxe5 Ne8 13. Nd4 Bxe5 14. Nxc6 Bxc6 15. Qc2 Rc8 16. f4 Bg7 17. f5 Nf6 18. Rad1 Qc7 19. Bf3 1/2-1/2

[Event "COL-ch U18"]
[Site "Cali"]
[Date "2008.01.18"]
[Round "1"]
[White "Osorio, Luis Alberto"]
[Black "Chavarro, Jeffry"]
[Result "0-1"]
[ECO "B05"]
[BlackElo "2088"]
[PlyCount "62"]
[EventDate "2008.01.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 Nb6 6. Be2 dxe5 7. dxe5 Qxd1+ 8. Kxd1 Nc6 9. Bf4 0-0-0+ 10. Kc1 Bxf3 11. Bxf3 Rd4 12. Bxc6 Rxc4+ 13. Nc3 Rxf4 14. Bf3 e6 15. Re1 Bb4 16. Re4 Rxe4 17. Bxe4 Bc5 18. Kc2 Nc4 19. f4 Rd8 20. Na4 Be3 21. Bd3 Na5 22. g3 Nc6 23. Rd1 Nb4+ 24. Kc3 Rxd3+ 25. Rxd3 Nxd3 26. Kxd3 Bg1 27. Nc3 Kd7 28. Ne2 Bc5 29. Kc4 Kc6 30. b4 b5+ 31. Kc3 Bb6 0-1

[Event "COL-ch U18"]
[Site "Cali"]
[Date "2008.01.18"]
[Round "3"]
[White "Osorio, Luis Alberto"]
[Black "Tamayo, Michael Leandro"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "42"]
[EventDate "2008.01.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 f6 3. fxe5 Qe7 4. Bc4 Qxe5 5. Nc3 Nc6 6. Nf3 Qe7 7. d4 d6 8. 0-0 Bg4 9. Be3 0-0-0 10. Qe1 Qe8 11. d5 Bxf3 12. dxc6 Bxe4 13. Nxe4 Qxe4 14. cxb7+ Qxb7 15. Be6+ Kb8 16. Qa5 Ne7 17. Rf3 Nc6 18. Bxa7+ Qxa7+ 19. Qxa7+ Nxa7 20. Rb3+ Ka8 21. Bd5+ c6 0-1

[Event "ATL-ch U18"]
[Site "Barranquilla"]
[Date "1999.05.16"]
[Round "4"]
[White "Osorio, Luis Alberto"]
[Black "Kepes, Ricardo"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "75"]
[EventDate "1999.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. e5 d6 4. Qe2 Nc6 5. Qb5 Bd7 6. Nf3 Nxd4 7. Qc4 Nxf3+ 8. gxf3 Bxe5 9. Nc3 Bc6 10. Be2 Qd7 11. Be3 a6 12. 0-0-0 b5 13. Qb3 Rb8 14. Ne4 a5 15. Bd4 Qf5 16. Ng3 Qf6 17. Qc3 Bxd4 18. Rxd4 Kd7 19. Rhd1 b4 20. Qe3 e5 21. Rg4 h5 22. Rc4 Bb5 23. Qa7 Bxc4 24. Qxb8 Bxe2 25. Nxe2 Ne7 26. Qb5+ Nc6 27. Rd3 Qh4 28. c3 Qxf2 29. Kd2 Qh4 30. c4 Rb8 31. Qd5 Qf6 32. Kc1 a4 33. c5 b3 34. a3 Qe6 35. Qe4 Qf5 36. Qc4 Ra8 37. Nc3 Qf4+ 38. Kb1 0-1

[Event "ATL-ch U18"]
[Site "Barranquilla"]
[Date "1999.05.15"]
[Round "3"]
[White "Torres, Albert"]
[Black "Osorio, Luis Alberto"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "61"]
[EventDate "1999.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. c3 Nf6 4. d3 h6 5. Be3 Nc6 6. Nbd2 d5 7. exd5 Nxd5 8. Qe2 Bg4 9. g3 Qf6 10. Bg2 Bd6 11. 0-0 0-0 12. Ne4 Qf5 13. Nxd6 cxd6 14. Kh1 Rfe8 15. Qd2 Bxf3 16. c4 Ndb4 17. Rfd1 Bxd1 18. Qxd1 Nxd3 19. Qd2 e4 20. Qc3 Nxf2+ 21. Kg1 Ng4 22. Rf1 Qh5 23. h3 Nce5 24. Qd4 Nxe3 25. Qxe3 Nxc4 26. Qd4 Qe2 27. Rf2 Qe1+ 28. Bf1 Ne3 29. Kh2 Qxf2+ 30. Kh1 Qxf1+ 31. Kh2 0-1

