[Event "ATL-ch sf"]
[Site "Barranquilla"]
[Date "2001.03.11"]
[Round "8"]
[White "Majul Martinez, Isolina"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2095"]
[PlyCount "50"]
[EventDate "2001.03.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. d4 0-0 6. e3 c5 7. Nge2 Nc6 8. 0-0 Bd7 9. h3 Rb8 10. b3 a6 11. Bb2 b5 12. cxb5 axb5 13. dxc5 dxc5 14. Rc1 c4 15. Nf4 b4 16. Na4 c3 17. Ba1 Ne5 18. a3 Bb5 19. Qxd8 Rfxd8 20. Rfd1 g5 21. Nd5 Nxd5 22. Rxd5 Rxd5 23. Bxd5 Nd3 24. Rc2 Bxa4 25. axb4 Nxb4 0-1

[Event "ATL-ch sf"]
[Site "Barranquilla"]
[Date "2001.03.10"]
[Round "7"]
[White "Orozco, Osvaldo"]
[Black "Rada, Daniel Eloy"]
[Result "1-0"]
[ECO "C91"]
[PlyCount "89"]
[EventDate "2001.03.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. Be3 Na5 11. dxe5 Bxf3 12. Qxf3 dxe5 13. Bc2 Nc4 14. Bc1 c5 15. b3 Nb6 16. Nd2 Re8 17. Nf1 h6 18. Ng3 Bf8 19. Nf5 Nbd7 20. g4 Kh8 21. g5 Ng8 22. Rd1 Qc7 23. gxh6 g6 24. h7 Ngf6 25. Nh6 Bxh6 26. Bxh6 Kxh7 27. Bg5 Kg7 28. Rd2 Nh5 29. Rad1 Ndf6 30. Rd6 Re6 31. Rxe6 fxe6 32. Qh3 Qe7 33. f4 c4 34. b4 exf4 35. e5 Qa7+ 36. Rd4 Nh7 37. Qxe6 Nf8 38. Qc6 Kf7 39. Be4 Re8 40. Bd5+ Ne6 41. Kf1 Nhg7 42. Bxe6+ Rxe6 43. Rd7+ Kf8 44. Qc8+ Re8 45. Qxe8+ 1-0

[Event "ATL-ch sf"]
[Site "Barranquilla"]
[Date "2001.03.09"]
[Round "6"]
[White "Diaz, Edgardo Anibal"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "103"]
[EventDate "2001.03.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Nge7 7. fxe6 dxe6 8. 0-0 0-0 9. d3 Nd4 10. Nxd4 cxd4 11. Ne2 Nc6 12. Bd2 Na5 13. Bxa5 Qxa5 14. Nf4 b5 15. Bb3 Qb6 16. Qf3 a5 17. a4 bxa4 18. Rxa4 Bd7 19. Ra2 Qc5 20. Rfa1 a4 21. Bc4 Be5 22. g3 Bd6 23. Rf1 Qe5 24. Nh3 Kg7 25. Qf4 Rab8 26. Qxe5+ Bxe5 27. Nf4 Bd6 28. Kf2 e5 29. Nd5 f5 30. Ke2 h5 31. Kd2 Kh6 32. h4 Kg7 33. Rf2 Rfc8 34. b3 a3 35. Rf1 Rf8 36. b4 fxe4 37. dxe4 Bxb4+ 38. Nxb4 Rxb4 39. Rxf8 Kxf8 40. Bb3 Bc6 41. Rxa3 Bxe4 42. Ra5 Bf5 43. Rxe5 d3 44. Kc3 Rg4 45. Re3 dxc2 46. Bxc2 Bxc2 47. Kxc2 Kf7 48. Kd2 Kf6 49. Ke2 Kf5 50. Rf3+ Ke5 51. Kf2 Ra4 52. Rf8 1/2-1/2

[Event "ATL-ch sf"]
[Site "Barranquilla"]
[Date "2001.03.08"]
[Round "5"]
[White "Orozco, Osvaldo"]
[Black "Rosado, Enrique"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "55"]
[EventDate "2001.03.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ndf6 6. Ng3 c6 7. Bd3 Bd6 8. 0-0 Bd7 9. Re1 Ne7 10. Bg5 h5 11. c4 Bxg3 12. hxg3 Ng4 13. Qc2 Rc8 14. Rad1 0-0 15. Ne5 Nxe5 16. dxe5 Qe8 17. Qe2 f5 18. exf6 gxf6 19. Bh6 Rf7 20. Qxh5 e5 21. f4 Be6 22. Bg6 Nxg6 23. Qxg6+ Kh8 24. f5 Bd7 25. Re4 Qg8 26. Rh4 Qxg6 27. fxg6 Re7 28. Bf8+ 1-0

[Event "ATL-ch sf"]
[Site "Barranquilla"]
[Date "2001.03.07"]
[Round "4"]
[White "Manotas, S Franklin"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "66"]
[EventDate "2001.03.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nd2 d5 3. e3 g6 4. Bd3 Bg7 5. f4 0-0 6. Ngf3 c5 7. c3 b6 8. Ne5 Ba6 9. Bxa6 Nxa6 10. Qf3 Rc8 11. 0-0 e6 12. Qe2 Nb8 13. Qf3 Nfd7 14. Qh3 f5 15. Ndf3 Nxe5 16. fxe5 Nc6 17. Kh1 Qe7 18. Bd2 Rc7 19. Rg1 h6 20. g4 g5 21. Raf1 cxd4 22. cxd4 Nb4 23. a3 Nd3 24. gxf5 Rxf5 25. Bc3 Qf7 26. Qg2 Qh5 27. Ne1 Nxe1 28. Bxe1 Rxf1 29. Rxf1 Qg6 30. Bc3 Rf7 31. Rxf7 Qxf7 32. Kg1 Qf5 33. Qf2 Qg4+ 1/2-1/2

[Event "ATL-ch sf"]
[Site "Barranquilla"]
[Date "2001.03.06"]
[Round "3"]
[White "Orozco, Osvaldo"]
[Black "Arenas, Johan"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "55"]
[EventDate "2001.03.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 d6 7. Nc3 Bd7 8. a3 Na5 9. Be2 a6 10. b4 Nc6 11. Ng5 b5 12. f4 Nd4 13. Nd5 Be7 14. fxe5 dxe5 15. Nxe7 Nxe2+ 16. Qxe2 Qxe7 17. Bb2 0-0 18. Nf3 Bg4 19. h3 Bxf3 20. Rxf3 Rae8 21. Raf1 c5 22. Kh2 cxb4 23. axb4 Qb7 24. Qd3 Qxe4 25. Rxf6 Qxd3 26. Rxf8+ Rxf8 27. Rxf8+ Kxf8 28. cxd3 1-0

[Event "ATL-ch sf"]
[Site "Barranquilla"]
[Date "2001.03.05"]
[Round "2"]
[White "Gomez, Jose Luis"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "64"]
[EventDate "2001.03.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. f3 g6 4. e4 dxe4 5. fxe4 Bg7 6. d5 0-0 7. Nf3 c6 8. Bc4 b5 9. Be2 b4 10. dxc6 Nxc6 11. Qxd8 Rxd8 12. Nb5 Nxe4 13. Bd3 Nc5 14. Be3 Nxd3+ 15. cxd3 Rxd3 16. Ke2 Rd7 17. a3 Bxb2 18. Ra2 bxa3 19. Nxa3 Ba6+ 20. Ke1 Nb4 21. Rxb2 Nd3+ 22. Kf1 Nxb2+ 23. Kg1 Rd1+ 24. Ne1 Rxe1+ 25. Kf2 Rxh1 26. Bf4 Nd3+ 27. Ke2 Nxf4+ 28. Kd2 Rxh2 29. Kc2 Rxg2+ 30. Kb1 Rb8+ 31. Ka1 Bd3 32. Nc4 Rb1# 0-1

[Event "ATL-ch sf"]
[Site "Barranquilla"]
[Date "2001.03.04"]
[Round "1"]
[White "Orozco, Osvaldo"]
[Black "Soto, Juan Carlos"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "66"]
[EventDate "2001.03.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Qb6 9. g3 Bb4+ 10. Kf2 g5 11. h3 gxf4 12. gxf4 Be7 13. Ne2 f6 14. Kg2 fxe5 15. fxe5 Rg8+ 16. Ng3 Nf8 17. h4 Bd7 18. b3 0-0-0 19. Bg5 Kb8 20. Qd2 Ng6 21. Bxe7 Ngxe7 22. Kh2 Rdf8 23. Bg2 Rg4 24. Bh3 Rgf4 25. Bg2 Rxf3 26. Bxf3 Rxf3 27. Rhf1 Nxd4 28. Qg5 Rxf1 29. Rxf1 Nef5 30. Qg8+ Bc8 31. Nh5 Qc7 32. Qh8 Qc2+ 33. Kg1 Ne2+ 0-1

[Event "Bolivar por la Paz op"]
[Site "Cartagena"]
[Date "2000.07.02"]
[Round "7"]
[White "Renteria Becerra, Jorge Elicer"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2308"]
[PlyCount "81"]
[EventDate "2000.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[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. Bxf6 gxf6 10. Nd5 f5 11. c3 Bg7 12. exf5 Bxf5 13. Nc2 0-0 14. Nce3 Be6 15. Bd3 f5 16. 0-0 e4 17. Nf4 Bf7 18. Be2 Be5 19. Ned5 Ne7 20. f3 Nxd5 21. Nxd5 exf3 22. Rxf3 Bg6 23. a4 b4 24. Nxb4 Qb6+ 25. Kh1 a5 26. Nd5 Qxb2 27. Rb1 Qa3 28. Ne7+ Kg7 29. Rb7 Rab8 30. Nxf5+ Kh8 31. Nh6 Qa2 32. Qf1 Rxb7 33. Rxf8+ Kg7 34. Rg8+ Qxg8 35. Nxg8 Rb1 36. Qxb1 Bxb1 37. Ne7 Bxc3 38. Nc6 Kf6 39. Kg1 Ke6 40. Kf2 Be4 41. Bb5 1/2-1/2

[Event "Bolivar por la Paz op"]
[Site "Cartagena"]
[Date "2000.06.30"]
[Round "2"]
[White "Orozco, Osvaldo"]
[Black "Araque, Rafael"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "2309"]
[PlyCount "80"]
[EventDate "2000.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 Nd7 6. f3 b5 7. h4 h5 8. a4 b4 9. Nd1 a5 10. c4 c5 11. Ne2 Ngf6 12. Nf2 Ba6 13. b3 cxd4 14. Nxd4 Nc5 15. Rb1 Nfd7 16. Bd3 Rc8 17. Bc2 Bf6 18. Rd1 0-0 19. g4 Ne5 20. Qe2 hxg4 21. fxg4 e6 22. g5 Bg7 23. 0-0 Qe7 24. Ng4 Nxg4 25. Qxg4 d5 26. exd5 exd5 27. Rfe1 dxc4 28. h5 cxb3 29. Nxb3 Qe6 30. Qf3 Nxb3 31. Bf2 Nd4 32. Rxd4 Qxe1+ 33. Bxe1 Bxd4+ 34. Bf2 Rc3 35. Qe4 Bxf2+ 36. Kxf2 Rd8 37. Ke1 Rdc8 38. hxg6 Rxc2 39. gxf7+ Kf8 40. g6 Re2+ 0-1

[Event "Bolivar por la Paz op"]
[Site "Cartagena"]
[Date "2000.06.29"]
[Round "1"]
[White "Acosta, Alejandro"]
[Black "Orozco, Osvaldo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2323"]
[PlyCount "59"]
[EventDate "2000.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[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. Bxf6 gxf6 10. Nd5 f5 11. c3 Bg7 12. exf5 Bxf5 13. Nc2 0-0 14. Nce3 Be6 15. Bd3 f5 16. 0-0 Ne7 17. Nxe7+ Qxe7 18. Bxf5 Bf7 19. Qd3 h6 20. a4 Qc7 21. Be4 Rab8 22. axb5 axb5 23. Rfd1 Rfd8 24. Bd5 Kh8 25. Ra6 Bh5 26. Rda1 b4 27. c4 Qc5 28. Qf5 Be8 29. Be4 Kg8 30. Ra7 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.18"]
[Round "9"]
[White "Manotas, S Franklin"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "66"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. d3 Nge7 7. Bg5 f6 8. Be3 b6 9. Na3 0-0 10. Qd2 Bb7 11. Bc4+ d5 12. exd5 Nxd5 13. d4 cxd4 14. cxd4 e4 15. Nh4 Kh8 16. Bh6 Na5 17. Be2 f5 18. g3 f4 19. Bxg7+ Kxg7 20. f3 e3 21. Qd3 Qg5 22. Ng2 fxg3 23. h4 Qf6 24. Rac1 Qe6 25. Nxe3 Nxe3 26. Rc7+ Kg8 27. d5 Qh3 28. Rf2 gxf2+ 29. Kxf2 Ng4+ 30. Ke1 Qg3+ 31. Kd2 Qxc7 32. fxg4 Qf4+ 33. Kc2 Rac8+ 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.17"]
[Round "8"]
[White "Orozco, Osvaldo"]
[Black "Garcia Pichon, Eduardo"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "124"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nf6 5. c3 d6 6. d4 Bb6 7. h3 0-0 8. Re1 Bd7 9. a4 a6 10. Bc4 h6 11. dxe5 dxe5 12. b4 Re8 13. Nbd2 Be6 14. Qb3 Qd7 15. Bxe6 Rxe6 16. Nc4 Qd3 17. Nxb6 cxb6 18. Re3 Qd7 19. Bd2 Rd8 20. Qc2 Nh5 21. Re2 Qd3 22. Qxd3 Rxd3 23. Ne1 Rd7 24. Be3 Nf4 25. Rc2 Ne7 26. Kh2 f5 27. exf5 Nxf5 28. Bxf4 exf4 29. Nf3 Rd3 30. Ne1 Rd7 31. Nf3 Rd3 32. Ne1 Rd7 33. Nf3 Kf7 34. Re1 Rxe1 35. Nxe1 Kf6 36. Nf3 Rc7 37. Kg1 g5 38. Kf1 h5 39. Nd2 g4 40. hxg4 hxg4 41. Ra2 Ke5 42. c4 Kd4 43. a5 b5 44. cxb5 axb5 45. Ke2 Kc3 46. Kd1 Kxb4 47. a6 bxa6 48. Rxa6 Rd7 49. Rf6 Ne3+ 50. fxe3 fxe3 51. Rf4+ Kc3 52. Rxg4 Rxd2+ 53. Ke1 b4 54. Rg8 b3 55. Rc8+ Kb2 56. g4 Rg2 57. g5 Rxg5 58. Ke2 Rd5 59. Kxe3 Kb1 60. Ke4 Rd7 61. Ra8 b2 62. Rc8 Ra7 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.16"]
[Round "7"]
[White "Cayon, Rafael A"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "D01"]
[PlyCount "43"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Nc3 d5 4. f3 Bg7 5. Qd2 c5 6. dxc5 Qa5 7. 0-0-0 Nc6 8. Nxd5 Qxd2+ 9. Rxd2 Nxd5 10. Rxd5 Be6 11. Rd2 Bxa2 12. e4 a5 13. Bb5 a4 14. Ne2 h6 15. Be3 0-0 16. Bxc6 bxc6 17. Bd4 e5 18. Be3 Be6 19. Nc3 Rfc8 20. Nb1 Bf8 21. Rd3 Ra5 22. Rc3 1/2-1/2

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.14"]
[Round "6"]
[White "Rosado, Enrique"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "82"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. f4 e6 7. d3 Nge7 8. Be3 Nd4 9. Qd2 Rb8 10. Bxd4 cxd4 11. Nb5 Nc6 12. c3 dxc3 13. bxc3 a6 14. Nbd4 Nxd4 15. Nxd4 e5 16. fxe5 dxe5 17. Nf3 Qb6 18. Rd1 0-0 19. h3 Bd7 20. Ke2 Rfc8 21. Rb1 Qa5 22. Rhc1 Bc6 23. g4 Rd8 24. Ne1 Rd7 25. Rc2 Rbd8 26. Qe3 Bf8 27. Qb6 Qa4 28. Qb3 Qa5 29. Qb6 Qa3 30. Qe3 Ba4 31. Rcb2 Qxc3 32. Rxb7 Bb5 33. Rxd7 Rxd7 34. Bf1 Bc5 35. Rc1 Qb2+ 36. Qd2 Qd4 37. Qc3 Qf2+ 38. Kd1 Ba4+ 39. Rc2 Bxc2+ 40. Qxc2 Qxf1 41. Qxc5 Rxd3+ 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.13"]
[Round "5"]
[White "Orozco, Osvaldo"]
[Black "Garcia, Jose"]
[Result "1-0"]
[ECO "C70"]
[PlyCount "67"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 5. d3 fxe4 6. dxe4 Nf6 7. 0-0 d6 8. Nc3 b5 9. Bb3 Na5 10. Bg5 Nxb3 11. axb3 Bb7 12. Nd5 Be7 13. Bxf6 Bxf6 14. Qd3 0-0 15. c4 c6 16. Ne3 g6 17. Rfd1 Be7 18. b4 Qe8 19. Nd2 Qf7 20. f3 Rad8 21. cxb5 axb5 22. Ra7 Rd7 23. Ng4 Qg7 24. Nb3 Bd8 25. Kh1 h5 26. Ne3 Bb6 27. Ra3 Qh6 28. Nc5 dxc5 29. Qxd7 cxb4 30. Qe6+ Kh8 31. Nf5 Qf4 32. Qxg6 Rxf5 33. exf5 e4 34. Qe8+ 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.12"]
[Round "4"]
[White "Diaz, Aleksei"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "100"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. h3 0-0 6. Nf3 Na6 7. Be3 Qe8 8. Be2 e5 9. d5 Nh5 10. g3 f5 11. exf5 gxf5 12. Ng5 Nf6 13. Qd2 Nc5 14. b4 Na4 15. Nxa4 Qxa4 16. Rc1 h6 17. Ne6 Bxe6 18. dxe6 Ne4 19. Qb2 Qe8 20. Qc2 Qxe6 21. 0-0 c6 22. Rfd1 Kh8 23. Bf3 d5 24. cxd5 cxd5 25. Qb3 Rfd8 26. Rc7 b6 27. b5 Nf6 28. Rc6 Qd7 29. Bxh6 e4 30. Bg2 Bxh6 31. Rxf6 Bg7 32. Rc6 d4 33. h4 Rac8 34. Qc4 d3 35. Bh3 Rf8 36. h5 Bd4 37. Kf1 Bc5 38. Rxc8 Rxc8 39. Qc1 Rf8 40. Qh6+ Qh7 41. Qg5 Qg7 42. Qf4 Qf6 43. Rc1 Kg7 44. Re1 Rf7 45. Qd2 Bd4 46. Qf4 Qh6 47. Qh4 Bf6 48. Qf4 Qxf4 49. gxf4 Bd4 50. f3 e3 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.11"]
[Round "3"]
[White "Orozco, Osvaldo"]
[Black "Caballero, William"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "56"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Bg7 7. g4 b4 8. Nd1 a5 9. c4 bxc3 10. Nxc3 0-0 11. h4 h5 12. g5 Nfd7 13. Nh3 e5 14. f4 exf4 15. Nxf4 Nb6 16. Rc1 Re8 17. Kf2 N8d7 18. b3 Bb7 19. Bg2 a4 20. Rhd1 Nf8 21. Qc2 axb3 22. Qxb3 Ba6 23. Bf1 Bxf1 24. Rxf1 Rb8 25. Rb1 Qd7 26. Ng2 Nd5 27. Qc4 Nxc3 28. Rxb8 Nxe4+ 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.10"]
[Round "2"]
[White "Fajardo, Carlos Emilio"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "76"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Bg4 7. Nd2 Bxe2 8. Qxe2 Nc6 9. Nb3 e5 10. d5 Nd4 11. Qd1 c5 12. h3 a6 13. a4 Nd7 14. 0-0 f5 15. f4 Qh4 16. Be3 Rae8 17. exf5 Nxf5 18. Bf2 Qxf4 19. Bxc5 Qxc4 20. Bf2 Nd4 21. Nd2 Qb4 22. Nde4 Nf6 23. Qd3 Nh5 24. Be3 Nf4 25. Bxf4 exf4 26. Ng5 Re3 27. Qd1 Qxb2 28. Nce4 Re2 29. Nf2 f3 30. g3 Rd2 31. Qb1 Ne2+ 32. Kh2 Qe5 33. Nge4 Rb2 34. Qd3 h5 35. h4 g5 36. Rg1 gxh4 37. Kh3 hxg3 38. Nxg3 Nf4+ 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.09"]
[Round "1"]
[White "Orozco, Osvaldo"]
[Black "Rada, Daniel Eloy"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "59"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Qc7 9. Qd2 Be6 10. g4 Nbd7 11. 0-0-0 b5 12. g5 Nh5 13. Nd5 Bxd5 14. exd5 0-0 15. Kb1 Rac8 16. Bh3 Rb8 17. Bg4 Nf4 18. Bxf4 exf4 19. Bxd7 Qxd7 20. Qxf4 Bd8 21. Nd4 Bb6 22. Nf5 Bc5 23. Rhe1 Rfe8 24. Re4 Rxe4 25. fxe4 Re8 26. Rf1 a5 27. c3 b4 28. c4 Re5 29. Rf3 a4 30. Rh3 1-0

[Event "Cartagena op"]
[Site "Cartagena"]
[Date "2000.??.??"]
[Round "8"]
[White "Echavarria, Johann"]
[Black "Orozco, Osvaldo"]
[Result "1-0"]
[ECO "E84"]
[WhiteElo "2237"]
[PlyCount "121"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 a6 7. Qd2 Nc6 8. Nge2 Rb8 9. Nc1 e5 10. d5 Nd4 11. Nb3 c5 12. dxc6 bxc6 13. Nxd4 exd4 14. Bxd4 d5 15. cxd5 cxd5 16. e5 Re8 17. Be2 Nd7 18. 0-0 Nxe5 19. Rad1 Nc4 20. Bxc4 dxc4 21. Bxg7 Qxd2 22. Rxd2 Kxg7 23. Ne4 Be6 24. Rff2 Rb6 25. Rd6 Reb8 26. Rxb6 Rxb6 27. Kf1 Bf5 28. Nc3 h5 29. Ke1 Bd3 30. Kd1 f5 31. f4 Kf7 32. Kc1 Re6 33. Kd2 Rb6 34. Ke3 Re6+ 35. Kd4 Ke7 36. Nd5+ Kd6 37. Nb4 Re4+ 38. Kc3 Bb1 39. Nxa6 Bxa2 40. Rd2+ Ke7 41. Nc7 h4 42. Nd5+ Ke6 43. Nc7+ Ke7 44. Rf2 Kd6 45. Na6 h3 46. Rd2+ Ke7 47. g3 Re1 48. Nb4 Bb3 49. Nc6+ Ke8 50. Nd4 Re3+ 51. Kb4 Ba2 52. Re2 Re7 53. Rxe7+ Kxe7 54. Kc5 Kf6 55. Nf3 Kg7 56. Ne5 Kh6 57. Nxc4 g5 58. b4 Bxc4 59. Kxc4 gxf4 60. gxf4 Kh5 61. Kd3 1-0

[Event "Cartagena op"]
[Site "Cartagena"]
[Date "2000.??.??"]
[Round "5"]
[White "Echeverria, Mario Armando"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "102"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Be2 Be7 7. 0-0 0-0 8. Be3 cxd4 9. cxd4 Nc6 10. Nc3 Qd8 11. h3 b6 12. Qb3 Bb7 13. Rfd1 Na5 14. Qa4 a6 15. Ne5 b5 16. Qc2 Rc8 17. Qd2 Bb4 18. Bg5 Bxc3 19. bxc3 Qd5 20. f3 Nd7 21. Nxd7 Qxd7 22. Bd3 Nc4 23. Qe2 Bd5 24. Bf4 Nb6 25. Rac1 Rc6 26. Rc2 Rfc8 27. Rdc1 Qe7 28. Qe1 Na4 29. Bd2 Qf6 30. Qe3 h6 31. Be4 Nb6 32. Be1 Rc4 33. Qd3 Ra4 34. Bxd5 Nxd5 35. Bd2 Rac4 36. Kh1 Qh4 37. Kh2 Qe7 38. Qe4 Qc7+ 39. Kh1 b4 40. Qg4 f5 41. Qg6 Qf7 42. Qg3 f4 43. Qe1 Qf5 44. Kg1 Kf7 45. Kf2 R8c7 46. Ke2 bxc3 47. Bxc3 Nb4 48. Rb2 Qd3+ 49. Kf2 Rxc3 50. Rxc3 Qxd4+ 51. Kf1 Rxc3 0-1

[Event "Cartagena op"]
[Site "Cartagena"]
[Date "2000.??.??"]
[Round "3"]
[White "Gongora, Anuar"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "84"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 0-0 5. 0-0 d6 6. e4 c5 7. Re1 Nc6 8. a4 Bg4 9. c3 Nd7 10. Qc2 Rc8 11. h3 Bxf3 12. Bxf3 a6 13. Na3 Kh8 14. Be3 Qc7 15. Rad1 e5 16. Bg2 f5 17. f4 Rce8 18. b4 Ne7 19. b5 Nf6 20. Nc4 Nc8 21. Rb1 Nh5 22. b6 Qe7 23. exf5 exf4 24. Bxf4 Qd7 25. Ne3 Nxf4 26. gxf4 Ne7 27. fxg6 Nxg6 28. f5 Nh4 29. Be4 Be5 30. Ng4 Bg3 31. Re3 Bf4 32. c4 Bxe3+ 33. Nxe3 Rxe4 34. dxe4 Nf3+ 35. Kf2 Nd4 36. Qc3 Qe7 37. Rg1 Qxe4 38. Rg4 Qe5 39. Rg3 Qf4+ 40. Kg2 Re8 41. a5 Re5 42. Rg4 Qf3+ 0-1

[Event "Cartagena op"]
[Site "Cartagena"]
[Date "2000.??.??"]
[Round "6"]
[White "Orozco, Osvaldo"]
[Black "Bustamante Montini, Richard"]
[Result "1-0"]
[ECO "B06"]
[BlackElo "2187"]
[PlyCount "45"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 b5 6. f3 a6 7. g4 Nd7 8. Nge2 c5 9. h4 cxd4 10. Nxd4 Ne5 11. h5 Nf6 12. h6 Bf8 13. Be2 Qc7 14. g5 Nfd7 15. Nd5 Qb7 16. Qa5 e6 17. Nc7+ Ke7 18. Nxa8 Qxa8 19. Nxb5 Bb7 20. Nc3 Nc6 21. Qa4 a5 22. 0-0-0 Nb4 23. a3 1-0

[Event "Cartagena op"]
[Site "Cartagena"]
[Date "2000.??.??"]
[Round "9"]
[White "Orozco, Osvaldo"]
[Black "Casas Cobos, Julio Eduardo"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "85"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Be7 8. Bd3 cxd4 9. cxd4 Qb6 10. Ne2 Bb4+ 11. Kf1 Nf8 12. h4 Bd7 13. Rh3 Be7 14. h5 f5 15. a3 Nd8 16. Nc3 a6 17. Qe2 Rc8 18. Be3 Nf7 19. Rc1 Nh6 20. Rc2 Ng4 21. Bg1 Qd8 22. Nh2 Nh6 23. g4 g6 24. hxg6 hxg6 25. gxf5 gxf5 26. Qg2 Rg8 27. Rg3 Rxg3 28. Qxg3 Nf7 29. Nf3 Qa5 30. Ng5 Bxa3 31. Nxf7 Kxf7 32. Be2 Bb5 33. Nxb5 Rxc2 34. Bh5+ Ke7 35. Nxa3 Rc1+ 36. Kg2 Qb4 37. Bf2 b5 38. Qg7+ Kd8 39. Qb7 Rc7 40. Qxa6 Qxb2 41. Nxb5 Rg7+ 42. Kh3 Rg4 43. Qa8+ 1-0

[Event "Cartagena op"]
[Site "Cartagena"]
[Date "2000.??.??"]
[Round "4"]
[White "Orozco, Osvaldo"]
[Black "Zabaleta, Libardo"]
[Result "1/2-1/2"]
[ECO "B56"]
[BlackElo "2175"]
[PlyCount "68"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e5 7. Nb3 a5 8. a4 Be6 9. Nd5 Bxd5 10. exd5 Ne7 11. Bb5+ Nd7 12. 0-0 Ng6 13. f4 exf4 14. Bxf4 Be7 15. Qg4 Qc7 16. c4 Rd8 17. Bd2 b6 18. Nd4 0-0 19. Nf5 Bf6 20. Rab1 Nc5 21. Nh6+ Kh8 22. Rxf6 gxf6 23. Qf5 Qe7 24. Re1 Ne5 25. Re3 Rg8 26. Nxg8 Rxg8 27. Rh3 Rg6 28. Qh5 Rg7 29. Bh6 Rg8 30. Qf5 Ng6 31. Re3 Ne5 32. Rh3 Ng6 33. Re3 Ne5 34. Rh3 Ng6 1/2-1/2

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "1"]
[White "Barrios, Felix"]
[Black "Orozco, Osvaldo"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2235"]
[BlackElo "2105"]
[PlyCount "69"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 c6 5. e4 dxe4 6. Nxe4 Nf6 7. Bd3 0-0 8. 0-0 Nbd7 9. Qe2 b6 10. Bg5 Bb7 11. Rad1 g6 12. Bh6 Re8 13. Bc2 Qc7 14. Rfe1 Nxe4 15. Bxe4 Nf6 16. Bc2 Ng4 17. Bc1 c5 18. h3 Nf6 19. Ne5 cxd4 20. Rxd4 Bd6 21. Bf4 Nh5 22. Bc1 Bc5 23. Rd7 Qc8 24. Rxf7 Rf8 25. Rxf8+ Bxf8 26. Nf3 Ng7 27. Bh6 Bb4 28. Qe5 Qd7 29. Rd1 Qe7 30. Bxg7 Bxf3 31. Bf6 Bxd1 32. Bxe7 Bxe7 33. Qxe6+ Kf8 34. Bxd1 Rd8 35. Bf3 1-0

[Event "COL m19"]
[Site "Colombia"]
[Date "1999.??.??"]
[Round "2"]
[White "Castro, Edgar Jose"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "26"]
[EventDate "1999.??.??"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[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 Qa5+ 10. Bd2 Qd8 11. Bg5 Qa5+ 12. Bd2 Qd8 13. Bg5 Qa5+ 1/2-1/2

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "3"]
[White "Cayon, Rafael A"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2005"]
[BlackElo "2105"]
[PlyCount "47"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Bd3 Be7 5. Nf3 0-0 6. Nbd2 c5 7. c3 Nc6 8. Ne5 Qb6 9. Rb1 cxd4 10. exd4 Nxe5 11. dxe5 Nd7 12. Qh5 f5 13. g4 Nc5 14. Bc2 Ne4 15. 0-0 Bd7 16. a4 Be8 17. Qh3 fxg4 18. Qxg4 Rxf4 19. Qxf4 Bg5 20. Qg4 Nxd2 21. Kh1 Nxf1 22. Rxf1 Bh6 23. Rg1 Qxf2 24. Rg2 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "14"]
[White "Cifuentes, Danny"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2005"]
[BlackElo "2105"]
[PlyCount "40"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 c5 6. d5 h6 7. Bd2 e6 8. Qc2 exd5 9. exd5 Bf5 10. Bd3 Bxd3 11. Qxd3 0-0 12. Nge2 Nbd7 13. f4 a6 14. 0-0 Re8 15. Rae1 Qc7 16. Ng3 b5 17. cxb5 c4 18. Rxe8+ Rxe8 19. Qf3 axb5 20. Nxb5 Qb6+ 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "9"]
[White "Diaz, Aleksei"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2020"]
[BlackElo "2105"]
[PlyCount "116"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 f5 5. h4 Bg7 6. Bd3 d6 7. Nd2 Nd7 8. Ne2 Qe7 9. Nf4 c6 10. c3 Nf6 11. Qc2 h5 12. Bc4 d5 13. Bd3 Ng4 14. Kf1 0-0 15. g3 b6 16. c4 Bb7 17. cxd5 cxd5 18. Kg2 Rac8 19. Qb3 Rfe8 20. Nf3 Qd6 21. Rac1 a6 22. Be2 b5 23. Nd2 Rc4 24. Bf3 Rb4 25. Qa3 Bf8 26. b3 Nxe3+ 27. fxe3 Rxe3 28. Kf2 Re8 29. Nd3 Rxd4 30. Qxd6 Bxd6 31. Be2 f4 32. gxf4 Bxf4 33. Rc2 Be3+ 34. Kf1 Bc8 35. Nf3 Rde4 36. Ng5 R4e7 37. Nb4 Bf5 38. Bd3 Bxd3+ 39. Nxd3 d4 40. Rhh2 Kg7 41. Nf3 Re4 42. Rc6 R4e6 43. Rxe6 Rxe6 44. Rc2 Rf6 45. Kg2 Rf5 46. Rc6 a5 47. Ra6 b4 48. Rd6 Rf6 49. Rd5 Ra6 50. Nfe5 a4 51. Nxb4 Rb6 52. Ned3 axb3 53. axb3 f6 54. Rc5 Bd2 55. Rc4 Bc3 56. Rc7+ Kh6 57. Rc6 Rb7 58. Rc4 g5 1/2-1/2

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "7"]
[White "Mendoza, Rafael Enrique"]
[Black "Orozco, Osvaldo"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2355"]
[BlackElo "2105"]
[PlyCount "87"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 Nc6 3. e4 g6 4. f4 Bg7 5. Nf3 e6 6. d3 Nge7 7. 0-0 0-0 8. Nh4 f5 9. c3 d6 10. Nd2 Rb8 11. a4 a6 12. exf5 Nxf5 13. Nxf5 gxf5 14. Re1 Bd7 15. Nf3 Kh8 16. Bd2 Qf6 17. Be3 b5 18. axb5 axb5 19. d4 c4 20. d5 exd5 21. Qxd5 Rfe8 22. Ng5 Re7 23. Bf2 Bf8 24. Rxe7 Bxe7 25. Ra7 Be8 26. Rc7 b4 27. Rxc6 Bxc6 28. Qxc6 bxc3 29. bxc3 Qxc3 30. Bf1 Bxg5 31. fxg5 Rb1 32. Qxd6 Rxf1+ 33. Kxf1 Qd3+ 34. Qxd3 cxd3 35. Ke1 Kg8 36. Kd2 Kf7 37. Kxd3 Kg6 38. Be3 Kh5 39. h4 Kg4 40. Bf4 Kh5 41. Kd4 Kg6 42. Ke5 h5 43. gxh6 Kh5 44. h7 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "2"]
[White "Orozco, Osvaldo"]
[Black "Barros, Raul"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2105"]
[BlackElo "2220"]
[PlyCount "46"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[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 0-0 12. Nc2 Bg5 13. a4 Rb8 14. axb5 axb5 15. Be2 f5 16. exf5 Bxf5 17. Bg4 Ne7 18. Ncb4 Bxg4 19. Qxg4 Bf6 20. 0-0 Qc8 21. Qxc8 Rbxc8 22. Ra6 Nxd5 23. Nxd5 Rfd8 1/2-1/2

[Event "COL m19"]
[Site "Colombia"]
[Date "1999.??.??"]
[Round "1"]
[White "Orozco, Osvaldo"]
[Black "Castro, Edgar Jose"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "81"]
[EventDate "1999.??.??"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. exd6 cxd6 7. 0-0 Be7 8. c4 Nb6 9. h3 Bh5 10. Nc3 0-0 11. Be3 d5 12. b3 Nc6 13. c5 Nd7 14. b4 a6 15. Qd2 b5 16. a3 Bg6 17. Rac1 Re8 18. Rfd1 f6 19. Bd3 Bf7 20. Bb1 Nf8 21. Bf4 Ng6 22. Bg3 Ra7 23. Re1 Qd7 24. Re2 Bd8 25. Rce1 Bc7 26. Bxc7 Qxc7 27. Nxd5 exd5 28. Rxe8+ Bxe8 29. Rxe8+ Kf7 30. Re1 Qd8 31. h4 Re7 32. Rxe7+ Ngxe7 33. Qf4 Qd7 34. Bxh7 g6 35. h5 gxh5 36. Bd3 Qg4 37. Qe3 Kg7 38. Kh2 f5 39. g3 Qg6 40. Ne5 Kf6 41. Nxg6 1-0

[Event "COL m19"]
[Site "Colombia"]
[Date "1999.??.??"]
[Round "3"]
[White "Orozco, Osvaldo"]
[Black "Castro, Edgar Jose"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "39"]
[EventDate "1999.??.??"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. h3 Bh5 8. c4 Nb6 9. Nc3 0-0 10. exd6 cxd6 11. Be3 d5 12. b3 Nc6 13. c5 Nd7 14. b4 Nxb4 15. Rb1 Nc6 16. Rxb7 Bf6 17. Qa4 Qc8 18. Rb3 Bxf3 19. Bxf3 Na5 20. Qxa5 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "10"]
[White "Orozco, Osvaldo"]
[Black "Chegwing, Alberto"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2105"]
[BlackElo "2030"]
[PlyCount "163"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Rh4 e6 12. Bf4 Bd6 13. Bxd6 Qxd6 14. Ne4 Qe7 15. Qb3 0-0-0 16. Qa4 Kb8 17. 0-0-0 Ngf6 18. Nxf6 Nxf6 19. c4 Qc7 20. Kb1 c5 21. Rc1 Rd6 22. Qb5 Rc8 23. Qb3 Rcd8 24. Qe3 cxd4 25. Nxd4 a6 26. c5 Rd5 27. c6 b6 28. Nb3 Rd1 29. Rhc4 Rxc1+ 30. Rxc1 Rd5 31. Qe2 Ka7 32. g4 Ne8 33. Qe4 Nf6 34. Qe2 Rd6 35. Qf3 Rd5 36. Qe2 Ne8 37. Qe4 Qe7 38. Qh7 f6 39. f3 Nc7 40. Qe4 e5 41. Qf5 Rd8 42. Qe4 Qd6 43. Ka1 Qd3 44. Qb4 Qd6 45. Qe4 a5 46. Qc4 Qd5 47. Qa4 Qb5 48. Qa3 Qb4 49. Qxb4 axb4 50. Kb1 Kb8 51. Kc2 Nb5 52. Rd1 Rxd1 53. Kxd1 Kc7 54. Kd2 Kxc6 55. Kd3 Kd5 56. Nd2 Nd4 57. Ke3 b5 58. Kd3 f5 59. Ke3 fxg4 60. fxg4 Ne6 61. Ne4 Nc5 62. Nd2 Nd7 63. Nf3 Nf6 64. g5 hxg5 65. Nxg5 Nxh5 66. b3 Nf4 67. Nf3 Ne6 68. Ng1 g5 69. Ne2 Nd4 70. Ng3 Nc2+ 71. Kd3 Ne1+ 72. Ke2 Ng2 73. Kf3 Nf4 74. Ke3 Ne6 75. Ne4 g4 76. Nf6+ Kd6 77. Nxg4 Nc5 78. Nf2 Kd5 79. Ng4 e4 80. Nf6+ Ke5 81. Ng4+ Kf5 82. Nf2 1/2-1/2

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "12"]
[White "Orozco, Osvaldo"]
[Black "Fajardo, Carlos Emilio"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2105"]
[BlackElo "2020"]
[PlyCount "133"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Qe2 Be7 8. Bxc6 dxc6 9. Nxe5 0-0 10. d4 Bd6 11. 0-0 c5 12. c3 cxd4 13. cxd4 Be6 14. f4 Rae8 15. Be3 Bd5 16. Qb5 c6 17. Qd3 Qe6 18. b3 Rf5 19. Rf2 c5 20. dxc5 Rxe5 21. fxe5 Qxe5 22. cxd6 Qxa1+ 23. Rf1 Qe5 24. Bf4 Qe6 25. Bg3 Bc6 26. Re1 Qf7 27. Rf1 Qd5 28. Qxd5+ Bxd5 29. Rd1 Bc6 30. Bh4 Bd7 31. Rd2 h6 32. Bf2 a6 33. Bb6 Kf7 34. Kf2 Re6 35. Kg3 Ke8 36. h4 h5 37. Kf4 Kf7 38. Bd8 Rg6 39. Ke5 Re6+ 40. Kd5 Bc6+ 41. Kc5 Ke8 42. Be7 Kd7 43. Rf2 Rg6 44. Bg5 b6+ 45. Kxb6 Kxd6 46. Kxa6 Kc5 47. Ka5 Be4 48. b4+ Kd4 49. b5 Bd3 50. Kb4 Re6 51. Rf7 Be4 52. g3 Bd5 53. a4 Re2 54. Rxg7 Rb2+ 55. Ka5 Ra2 56. Bf6+ Kc4 57. Rc7+ Kd3 58. Rc3+ Ke4 59. Be7 Kd4 60. Ra3 Re2 61. Bf6+ Kc5 62. Rc3+ Bc4 63. b6 Re6 64. Rxc4+ Kxc4 65. b7 Re8 66. Kb6 Kd5 67. Kc7 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "4"]
[White "Orozco, Osvaldo"]
[Black "Melgosa, Marcio"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2105"]
[BlackElo "2245"]
[PlyCount "79"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Be7 9. f3 0-0 10. 0-0-0 b5 11. g4 b4 12. Nd5 Bxd5 13. exd5 a5 14. Kb1 Qc7 15. h4 a4 16. Nc1 a3 17. b3 Rc8 18. Bc4 Nbd7 19. g5 Nh5 20. Nd3 Nb6 21. Bxb6 Qxb6 22. Nxb4 Nf4 23. Nc6 Bf8 24. c3 g6 25. Rhe1 Qb7 26. Re4 Bg7 27. b4 Kh8 28. Bb3 Rc7 29. c4 Nh5 30. c5 Ng3 31. Rc4 Nf5 32. h5 Bf8 33. f4 exf4 34. Qxf4 Re8 35. Re4 Rxe4 36. Qxe4 dxc5 37. bxc5 Qc8 38. hxg6 hxg6 39. d6 Rb7 40. Ne5 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "6"]
[White "Orozco, Osvaldo"]
[Black "Rosado, Enrique"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2105"]
[BlackElo "1970"]
[PlyCount "115"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 b5 6. Bb3 Nf6 7. 0-0 Na5 8. Bc2 c5 9. Re1 Be7 10. d4 Qc7 11. h3 0-0 12. Nbd2 Bb7 13. Nf1 Rfc8 14. d5 Rd8 15. Ng3 g6 16. Nh2 Bc8 17. f4 Nc4 18. f5 gxf5 19. exf5 Nb6 20. Ng4 Nbxd5 21. Nh6+ Kf8 22. Ne4 Bb7 23. Ng5 Qc6 24. Qe2 Rd7 25. Nhxf7 Ke8 26. Nh6 Bf8 27. Ne6 Re7 28. Ng4 Kd7 29. a4 Rae8 30. axb5 axb5 31. c4 h5 32. cxd5 Nxd5 33. Nh2 Nf6 34. Bg5 Rf7 35. Nf3 Be7 36. Red1 Kc8 37. Ra5 c4 38. Rda1 Rg8 39. b3 Nd5 40. bxc4 Nc3 41. Qd2 Bxg5 42. Nexg5 Rfg7 43. f6 Ne2+ 44. Qxe2 Rxg5 45. Nxg5 Rxg5 46. Be4 Qxe4 47. Qxe4 Bxe4 48. R1a2 Rf5 49. Rf2 Rxf2 50. Kxf2 Kd7 51. Ra7+ Ke8 52. cxb5 d5 53. Re7+ Kf8 54. Rxe5 Kf7 55. Rxh5 Kxf6 56. b6 d4 57. Rh4 Ke5 58. Rxe4+ 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "8"]
[White "Orozco, Osvaldo"]
[Black "Viloria, Daniel David"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2105"]
[BlackElo "1950"]
[PlyCount "100"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. f3 Nbd7 6. Qd2 b5 7. g4 Nb6 8. b3 h5 9. g5 Nfd7 10. f4 Bb7 11. Bg2 Bg7 12. Nf3 b4 13. Ne2 c5 14. d5 Bxa1 15. 0-0 Bg7 16. f5 gxf5 17. Nh4 Ne5 18. Nxf5 Bf8 19. Bf4 Nbd7 20. Bh3 Qb6 21. c4 Kd8 22. Rf2 Kc7 23. Neg3 Ng6 24. Ne2 Nde5 25. Bxe5 Nxe5 26. Nf4 Bc8 27. Qe2 a5 28. Nxh5 a4 29. Bf1 axb3 30. axb3 Ra3 31. h4 Rxb3 32. Nhg3 e6 33. dxe6 fxe6 34. Ne3 Be7 35. Ngf5 Bd8 36. Nh6 Qc6 37. Neg4 Rg3+ 38. Bg2 Nxg4 39. Nxg4 Rxh4 40. Rf7+ Kb6 41. Qa2 Bb7 42. Nf2 Bxg5 43. Rg7 Ra3 44. Qb2 Be3 45. e5 d5 46. cxd5 exd5 47. Qb1 Rh6 48. Rf7 Bd4 49. Qf5 Ra1+ 50. Bf1 Qg6+ 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "11"]
[White "Rincon, Nelson"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "2060"]
[BlackElo "2105"]
[PlyCount "70"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 Rb8 8. h3 a6 9. e4 Nd7 10. Be3 b5 11. cxb5 axb5 12. Rc1 Na5 13. b3 c5 14. d5 b4 15. Ne2 Ba6 16. Re1 h6 17. Kh2 Kh7 18. Nf4 Rh8 19. Nd3 Rf8 20. g4 e5 21. dxe6 fxe6 22. Nf4 Qe7 23. Kg1 Nc6 24. Qd2 Nde5 25. Nxe5 Nxe5 26. Red1 Rbd8 27. Qc2 Rf7 28. Ne2 Nf3+ 29. Kh1 Rdf8 30. Ng3 Nd4 31. Qd2 Qh4 32. e5 Bxe5 33. Ne4 Rf3 34. Kg1 Rxh3 35. Re1 Rh1+ 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "5"]
[White "Royet, Gustavo"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1930"]
[BlackElo "2105"]
[PlyCount "112"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 Bg7 3. d4 c5 4. Nc3 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. f3 Nc6 8. Qd2 Nxd4 9. Bxd4 0-0 10. 0-0-0 Be6 11. g4 Qa5 12. g5 Nh5 13. Bxg7 Kxg7 14. Kb1 Qe5 15. Nd5 Bxd5 16. Qxd5 Qxd5 17. exd5 f6 18. Re1 Rf7 19. gxf6+ Kxf6 20. Re3 Rc8 21. c4 Nf4 22. b3 Rc7 23. a4 e5 24. dxe6 Nxe6 25. Bd3 Nc5 26. Kb2 Rfe7 27. Be4 Nxe4 28. fxe4 Re5 29. Rd1 Ke7 30. Rd5 Rc5 31. Rxc5 dxc5 32. Kc3 Rh5 33. h3 Ke6 34. Kd3 Ke5 35. Rg3 b6 36. Rf3 Rh4 37. Rg3 Kf4 38. Re3 Rh5 39. Ke2 Re5 40. Kd3 Re7 41. Re1 Rd7+ 42. Kc3 Ke5 43. h4 Rd4 44. h5 Rxe4 45. Rg1 Kf6 46. hxg6 hxg6 47. Rf1+ Ke6 48. Rg1 Kf5 49. Rd1 g5 50. Rd8 Re3+ 51. Kb2 g4 52. Rf8+ Ke4 53. Rg8 g3 54. Re8+ Kf3 55. Rf8+ Ke2 56. Rg8 Kf2 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "1999.??.??"]
[Round "13"]
[White "Villegas, John Jairo"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1920"]
[BlackElo "2105"]
[PlyCount "67"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 d5 4. 0-0 Nf6 5. d3 e6 6. Nbd2 Be7 7. e4 dxe4 8. dxe4 0-0 9. c3 Qc7 10. Qc2 b6 11. Re1 Bb7 12. Nc4 Rad8 13. Bf4 Qc8 14. Rad1 Rxd1 15. Rxd1 Rd8 16. Bd6 Ba6 17. Bxe7 Rxd1+ 18. Qxd1 Nxe7 19. Nfe5 Ne8 20. Nd6 Nxd6 21. Qxd6 Ng6 22. Nc6 Bb7 23. Nxa7 Qa8 24. Qxb6 Bxe4 25. Bxe4 Qxe4 26. Qd8+ Nf8 27. Nc8 Qe1+ 28. Kg2 Qe4+ 29. Kf1 Qb1+ 30. Kg2 Qe4+ 31. Kg1 Qe1+ 32. Kg2 Qe4+ 33. Kf1 Qb1+ 34. Kg2 1/2-1/2

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "2"]
[White "Gutierrez, Jaime"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "50"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 Bg7 5. Nf3 e6 6. f5 Nge7 7. fxe6 dxe6 8. 0-0 0-0 9. d3 Na5 10. Bb3 Nxb3 11. axb3 Nc6 12. Be3 b6 13. Qd2 Bb7 14. Bh6 Nd4 15. Bxg7 Kxg7 16. Ne2 e5 17. Nexd4 exd4 18. b4 Qe7 19. bxc5 bxc5 20. c3 f5 21. exf5 Rxf5 22. cxd4 Bxf3 23. Rxf3 Rxf3 24. gxf3 cxd4 25. Qf4 Rd8 1/2-1/2

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "4"]
[White "La Rota, Fabio"]
[Black "Orozco, Osvaldo"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2320"]
[PlyCount "87"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nf3 Nd4 9. 0-0 h6 10. a3 Ne7 11. Rfb1 Qc7 12. Bxd4 cxd4 13. Nb5 Qb6 14. Qb4 0-0 15. Nbxd4 Qxb4 16. axb4 Bd7 17. c4 a6 18. c5 d5 19. e5 Nc6 20. Nxc6 Bxc6 21. d4 f6 22. Re1 f5 23. Bf1 g5 24. Ra5 g4 25. Nh4 h5 26. Ng6 Rfb8 27. Rea1 Kf7 28. Nf4 Bh6 29. b5 Bxf4 30. gxf4 Be8 31. b4 Ke7 32. bxa6 bxa6 33. b5 h4 34. Kg2 Bd7 35. b6 Bc6 36. Rxa6 Rxa6 37. Rxa6 Rd8 38. f3 Rd7 39. fxg4 fxg4 40. Be2 g3 41. hxg3 hxg3 42. Kxg3 Kd8 43. Bg4 Ke7 44. b7 1-0

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "11"]
[White "Orozco, Osvaldo"]
[Black "Cespedes, Cesar Ivan"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "87"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 Be6 8. Nd5 Bxd5 9. exd5 Nb8 10. c4 Nbd7 11. Be2 a6 12. Nc3 h6 13. Be3 Qa5 14. 0-0 Be7 15. a3 Qc7 16. Rc1 0-0 17. b4 b6 18. Qb3 Rfc8 19. Rfd1 Bf8 20. h3 g6 21. Bf1 Ne8 22. Na4 f5 23. c5 bxc5 24. bxc5 f4 25. cxd6 Qxd6 26. Rc6 Qxa3 27. Qxa3 Bxa3 28. Bc1 Bd6 29. Rxa6 Rxa6 30. Bxa6 Rb8 31. Nc3 Nc7 32. Bd3 Kg7 33. Ne4 Bf8 34. d6 Ne8 35. Bc2 Nef6 36. Nxf6 Kxf6 37. Ba3 g5 38. Rb1 Ke6 39. Bb3+ Kf6 40. Bc2 Rxb1+ 41. Bxb1 Nb8 42. Ba2 e4 43. Bb2+ Kf5 44. Bb1 1/2-1/2

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "3"]
[White "Orozco, Osvaldo"]
[Black "Diaz, Aleksei"]
[Result "1-0"]
[ECO "B63"]
[PlyCount "87"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. f3 Nxd4 10. Qxd4 Qa5 11. h4 Bd7 12. Kb1 Rfc8 13. Qd2 Qc7 14. h5 h6 15. Be3 Bc6 16. Bd3 e5 17. g4 Nh7 18. Nd5 Bxd5 19. exd5 Ng5 20. Rdf1 Bf6 21. f4 exf4 22. Rxf4 Qe7 23. Rf5 Re8 24. Re1 Qd7 25. Ref1 Re7 26. Qf2 Rae8 27. Bc1 Qa4 28. c4 Qb4 29. Qc2 Re1 30. Rxe1 Rxe1 31. Rf1 Rxf1 32. Bxf1 Qe1 33. Qe2 Qxe2 34. Bxe2 Ne4 35. Kc2 Ng3 36. Bd3 Bd4 37. Bf4 Nh1 38. Bxd6 Nf2 39. Be2 Kh7 40. b4 g6 41. c5 f5 42. gxf5 gxf5 43. Bb8 Kg7 44. c6 1-0

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "5"]
[White "Orozco, Osvaldo"]
[Black "Manrique, Elvis"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "111"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be3 d6 6. Qd2 cxd4 7. Nxd4 Nf6 8. f3 Nc6 9. 0-0-0 Bd7 10. Bc4 a6 11. Bb3 Qc7 12. g4 b5 13. Rhe1 Na5 14. g5 Nh5 15. Nd5 Qd8 16. Kb1 Rb8 17. f4 Nc4 18. Qe2 Nxe3 19. Qxe3 a5 20. e5 dxe5 21. fxe5 a4 22. Nf6+ Bxf6 23. exf6 axb3 24. Nxb3 Rb7 25. Nc5 Rc7 26. Qxe7+ Qxe7 27. Rxe7+ Kd8 28. Nxd7 Kc8 29. Ne5 Rxe7 30. fxe7 Re8 31. Nxf7 Rxe7 32. Nd6+ Kc7 33. Nxb5+ Kb6 34. Nc3 Re5 35. h4 Nf4 36. a4 Ng2 37. Rd7 Nxh4 38. Rxh7 Nf3 39. Rf7 Nxg5 40. Rf6+ Re6 41. b4 Rxf6 42. Nd5+ Kc6 43. Nxf6 Nf3 44. Kb2 Ne5 45. Kb3 g5 46. c4 g4 47. Ne4 Nf3 48. Ng3 Kd6 49. a5 Kc6 50. Kc3 Ne5 51. b5+ Kc7 52. Kd4 Nf3+ 53. Kd5 Nd2 54. c5 Nb3 55. a6 Na5 56. b6+ 1-0

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "7"]
[White "Orozco, Osvaldo"]
[Black "Puentes, Alvaro"]
[Result "0-1"]
[ECO "C67"]
[PlyCount "96"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 Bb4 11. Bb2 Bxc3 12. Bxc3 Ke8 13. h3 c5 14. Rad1 b6 15. Rfe1 Bb7 16. Nh2 Rd8 17. Ng4 h5 18. Ne3 Rxd1 19. Nxd1 Ke7 20. Ne3 Be4 21. Nxf5+ Bxf5 22. Re2 Rd8 23. f3 Rd1+ 24. Be1 Bxc2 25. Kf2 Bd3 26. Rd2 Rxd2+ 27. Bxd2 Ke6 28. f4 g6 29. g4 hxg4 30. hxg4 Kd5 31. Ke3 Bb1 32. a3 a5 33. Be1 Bc2 34. b4 cxb4 35. axb4 axb4 36. Bxb4 Kc4 37. Kd2 Kxb4 38. Kxc2 Kc5 39. f5 gxf5 40. gxf5 Kd5 41. e6 fxe6 42. f6 Kd6 43. Kd3 e5 44. Ke4 Ke6 45. f7 Kxf7 46. Kxe5 c5 47. Kd5 Ke7 48. Kc4 Kd6 0-1

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "1"]
[White "Orozco, Osvaldo"]
[Black "Ruge, Edison"]
[Result "1/2-1/2"]
[ECO "C63"]
[BlackElo "2250"]
[PlyCount "65"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 Bc5 7. Nc3 d6 8. Bg5 0-0 9. Nd5 Kh8 10. Bc4 Na5 11. Be2 Nc6 12. Bc4 Na5 13. Be2 Nc6 14. Bc4 Qd7 15. Nxf6 gxf6 16. Bh6 Rd8 17. Nh4 Qg4 18. Qxg4 Bxg4 19. h3 Bd7 20. g4 Ne7 21. Kh2 Ng6 22. Nf5 Bxf5 23. gxf5 Nf4 24. Rg1 Rd7 25. Raf1 c6 26. Bxf4 exf4 27. Be6 Rg7 28. Rxg7 Kxg7 29. Rg1+ Kh6 30. Kg2 Re8 31. Kf3 Bd4 32. b3 Be5 33. Rg4 1/2-1/2

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "9"]
[White "Orozco, Osvaldo"]
[Black "Valderrama Espinosa, Gilberto"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "61"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 Bg4 9. cxd5 f5 10. Nc3 Nd7 11. h3 Bh5 12. Nxe4 fxe4 13. Bxe4 Nf6 14. Bf5 Kh8 15. Be6 h6 16. g4 Bf7 17. Ne5 Bxe5 18. dxe5 Nxd5 19. Bxf7 Rxf7 20. f4 c6 21. Qd4 Qh4 22. Kh2 Raf8 23. Bd2 h5 24. Be1 Qe7 25. f5 hxg4 26. hxg4 Qg5 27. Rf3 Kg8 28. Bd2 Qe7 29. Kg2 Rd8 30. e6 Rff8 31. Rh1 1-0

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "6"]
[White "Renteria Becerra, Jorge Elicer"]
[Black "Orozco, Osvaldo"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2210"]
[PlyCount "85"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. d4 exd4 7. Bg5 Qb6 8. Na3 Nge7 9. Nc4 Qc7 10. cxd4 cxd4 11. Qd2 0-0 12. Bh6 d5 13. Bxg7 Kxg7 14. exd5 Nxd5 15. Bxc6 Qxc6 16. Qxd4+ Nf6 17. Rac1 Qd5 18. Qc3 Be6 19. b3 Rfd8 20. Ne3 Qd3 21. Qb2 Rac8 22. Rfd1 Qe4 23. Ng5 Rxc1 24. Rxc1 Qd4 25. Nxe6+ fxe6 26. Rc7+ Kg8 27. Qxd4 Rxd4 28. Rxb7 Rd7 29. Rxd7 Nxd7 30. Kf1 Kf7 31. Ke2 Ke7 32. Kd3 Kd6 33. Kd4 e5+ 34. Kc4 Kc6 35. Nd5 Kd6 36. b4 g5 37. a4 h5 38. a5 g4 39. b5 h4 40. g3 hxg3 41. hxg3 e4 42. Ne3 Nf6 43. Kd4 1-0

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "8"]
[White "Santamaria, Miguel"]
[Black "Orozco, Osvaldo"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "78"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Bd6 11. Qe2 0-0 12. h3 Kh8 13. g4 f5 14. gxf5 Bxf5 15. Rg1 e4 16. Bc4 Ne5 17. Nd4 Nf3+ 18. Nxf3 exf3 19. Qxf3 Qh4 20. Qg2 Rae8+ 21. Kd1 Bg6 22. Be2 Rxe2 23. Kxe2 Bh5+ 24. Ke1 Re8+ 25. Be3 Rxe3+ 26. Kd2 Re2+ 27. Kc1 Qf4+ 28. Kb2 Bg6 29. Rac1 Qa4 30. Qd5 Ba3+ 31. Ka1 Bxc1 32. Rxc1 Qc6 33. Qd4 h6 34. Rg1 Kh7 35. h4 Re4 36. Qd2 Rxh4 37. Qe1 Ra4 38. Rg3 Qc4 39. Qb1 Bf7 0-1

[Event "COL-ch sf"]
[Site "Barranquilla"]
[Date "1995.??.??"]
[Round "10"]
[White "Soto, Gabriel"]
[Black "Orozco, Osvaldo"]
[Result "1/2-1/2"]
[ECO "E63"]
[PlyCount "76"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 Nc6 7. 0-0 a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5 11. Rc1 Bd7 12. d5 Na5 13. Nd4 b4 14. Na4 e5 15. Nc6 Nxc6 16. dxc6 Be6 17. e4 Qc8 18. Rc2 Ng4 19. Bc1 f5 20. exf5 gxf5 21. Bd5 e4 22. f3 Nf6 23. fxe4 Nxe4 24. Bb2 Bxb2 25. Rxb2 Rb5 26. Bxe4 fxe4 27. Rxf8+ Qxf8 28. Rf2 Qg7 29. Qe2 Qe5 30. Nb2 Rb8 31. Nc4 Bxc4 32. bxc4 e3 33. Qg4+ Kh8 34. Rf5 Qa1+ 35. Rf1 Qe5 36. Rf5 Qa1+ 37. Rf1 Qe5 38. Rf5 Qa1+ 1/2-1/2

