[Event "Medellin de Apertura op"]
[Site "Medellin"]
[Date "2009.01.31"]
[Round "7"]
[White "Alzate Tangarife, Henry Alonso"]
[Black "Osorio, Edwin"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "76"]
[EventDate "2009.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 e5 4. Nf3 e4 5. Ng1 Bb4 6. e3 Nf6 7. Qb3 0-0 8. Bd2 Bxc3 9. bxc3 b6 10. cxd5 Nxd5 11. Ne2 Na5 12. Qc2 Qe7 13. Ng3 Nf6 14. Be2 Re8 15. 0-0 Bd7 16. Rab1 Rad8 17. Rfc1 Nb7 18. c4 c5 19. d5 Nd6 20. a4 Ng4 21. h3 Ne5 22. a5 Rb8 23. Rb2 Qh4 24. Rcb1 Bxh3 25. gxh3 Qxh3 26. Nxe4 Ndxc4 27. Ng5 Qh4 28. Qf5 Nxb2 29. Rxb2 f6 30. Nf3 Nxf3+ 31. Bxf3 Re5 32. Qd7 Rg5+ 33. Kf1 Qc4+ 34. Be2 Qh4 35. Ke1 Rg1+ 36. Bf1 Qc4 37. Qh3 Rd8 38. f4 Qxd5 0-1

[Event "Medellin de Apertura op"]
[Site "Medellin"]
[Date "2009.01.26"]
[Round "4"]
[White "Marin, Hernan Mauricio"]
[Black "Osorio, Edwin"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "63"]
[EventDate "2009.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d5 3. e5 Nfd7 4. d4 c5 5. c3 e6 6. Nf3 Nc6 7. Be3 f5 8. g3 Be7 9. Bg2 0-0 10. 0-0 Rf7 11. Na3 b6 12. Qe2 h6 13. Nc2 Qf8 14. c4 cxd4 15. Nfxd4 Nxd4 16. Nxd4 Bb4 17. Qd1 Nxe5 18. cxd5 Rf6 19. dxe6 Rb8 20. Bf4 Ng6 21. Bxb8 Ba6 22. Bc7 Bxf1 23. Bxf1 f4 24. Nc2 fxg3 25. Bxg3 Bc5 26. Ne3 Kh8 27. Qd7 h5 28. Rd1 h4 29. Bd6 Ne7 30. Bxc5 Rg6+ 31. Ng2 Qf3 32. Qd3 1-0

[Event "Medellin de Apertura op"]
[Site "Medellin"]
[Date "2009.01.26"]
[Round "1"]
[White "Osorio, Edwin"]
[Black "Vargas Arteaga, Alexis"]
[Result "0-1"]
[ECO "B52"]
[BlackElo "2185"]
[PlyCount "104"]
[EventDate "2009.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. Re1 e5 8. d4 Be7 9. Bg5 h6 10. Bxf6 Bxf6 11. dxc5 dxc5 12. Qxd7+ Kxd7 13. Na3 Ke6 14. Nb5 Rac8 15. Rad1 Rhd8 16. Rxd8 Bxd8 17. Rd1 Be7 18. a4 c4 19. Ne1 a6 20. Na3 Bxa3 21. bxa3 Na5 22. Rd5 Nb3 23. Nc2 Nc5 24. f4 f6 25. f5+ Ke7 26. Ne3 Nxe4 27. Nd1 h5 28. Kf1 Rc5 29. Rxc5 Nxc5 30. Kf2 Nxa4 31. Kg3 Kf7 32. Kh4 g6 33. g4 hxg4 34. Kxg4 g5 35. h4 gxh4 36. Kxh4 b5 37. Kg4 Ke7 38. Kf3 Kd6 39. Ke3 Nb6 40. Nf2 Nd5+ 41. Kd2 Kd7 42. Ng4 Kc6 43. a4 bxa4 44. Kc2 e4 45. Nh2 a3 46. Kb1 Nxc3+ 47. Ka1 e3 48. Nf3 e2 49. Nd4+ Kd5 50. Nc2 a5 51. Nb4+ Ke4 52. Nc2 Kxf5 0-1

[Event "Medellin de Apertura op"]
[Site "Medellin"]
[Date "2009.01.26"]
[Round "2"]
[White "Raigoza, Natalia"]
[Black "Osorio, Edwin"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "84"]
[EventDate "2009.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. d3 dxe4 4. Nxe4 Nxe4 5. dxe4 Qxd1+ 6. Kxd1 g6 7. Bf4 c6 8. Bc4 Bg7 9. e5 0-0 10. Nf3 a5 11. a4 Bg4 12. Re1 Rd8+ 13. Kc1 Bxf3 14. gxf3 Rd4 15. Re4 Rxe4 16. fxe4 e6 17. Ra3 Nd7 18. Rb3 Bxe5 19. Bg3 Bxg3 20. hxg3 Nc5 21. Re3 Nxa4 22. f4 Nc5 23. e5 b5 24. Be2 b4 25. Bf3 Rc8 26. b3 Kf8 27. Re1 Ke7 28. Rd1 Nb7 29. g4 Rc7 30. Rh1 c5 31. Rxh7 c4 32. Bxb7 Rxb7 33. bxc4 Rc7 34. Rh3 Rxc4 35. Rf3 a4 36. Kb2 Kd7 37. Rd3+ Kc7 38. Rf3 Kc6 39. Rf2 Kd5 40. Rf3 Ke4 41. Rf1 Rc3 42. Rf2 Rf3 0-1

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.11"]
[Round "7"]
[White "Osorio, Edwin"]
[Black "Ruiz, Alciguel"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1790"]
[BlackElo "2140"]
[PlyCount "52"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d6 6. 0-0 Be7 7. Nbd2 0-0 8. Re1 Rb8 9. Nf1 b5 10. Qe2 e5 11. c3 a5 12. h4 Ng4 13. Ne3 Nxe3 14. Bxe3 Bg4 15. Qd2 Qc8 16. d4 b4 17. Rab1 Rd8 18. d5 Na7 19. c4 Qa6 20. Nh2 Bd7 21. b3 Nc8 22. a4 Nb6 23. f4 f6 24. f5 Be8 25. g4 Kh8 26. g5 Ra8 1-0

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.10"]
[Round "5"]
[White "Osorio, Edwin"]
[Black "Torres Rodriguez, Juan Camilo"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1790"]
[BlackElo "2103"]
[PlyCount "93"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 d6 7. Re1 Nge7 8. Nbd2 0-0 9. Nf1 Rb8 10. h4 b5 11. c3 e5 12. Bd2 h6 13. Ne3 Be6 14. Nh2 Qd7 15. Neg4 h5 16. Ne3 d5 17. Nxd5 Nxd5 18. exd5 Bxd5 19. Be3 Bxg2 20. Kxg2 Rbc8 21. Qf3 Ne7 22. Rad1 f5 23. Bg5 Nd5 24. Nf1 Nb6 25. a3 Na4 26. Rd2 Nb6 27. Red1 Qe6 28. Re2 Qb3 29. Red2 b4 30. axb4 cxb4 31. c4 e4 32. Qe3 exd3 33. Qe6+ Kh7 34. Rxd3 Qxc4 35. Qe7 Rc7 36. Qe2 Qc6+ 37. Kg1 Na4 38. Rd6 Qe8 39. Re6 Qf7 40. Rdd6 Nxb2 41. Nd2 Rc1+ 42. Kh2 Qb7 43. Nf3 Nc4 44. Bxc1 Nxd6 45. Ng5+ Kg8 46. Rxd6 Qc7 47. Qe6+ 1-0

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.10"]
[Round "4"]
[White "Vacca, Leonardo"]
[Black "Osorio, Edwin"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1958"]
[BlackElo "1790"]
[PlyCount "56"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d5 3. e5 Nfd7 4. Nf3 e6 5. g3 c5 6. Bg2 f6 7. exf6 Nxf6 8. 0-0 Bd6 9. Re1 0-0 10. Ng5 e5 11. c4 h6 12. Nf3 dxc4 13. dxc4 Nc6 14. Nc3 Bg4 15. h3 Bh5 16. g4 Bf7 17. Nd5 Nxd5 18. cxd5 Nd4 19. Nxe5 Bxe5 20. Rxe5 Qf6 21. Re3 Rad8 22. Rg3 Bxd5 23. Qf1 Bxg2 24. Rxg2 Nf3+ 25. Kh1 Qc6 26. Be3 Nh4 27. Qc4+ Kh8 28. Rag1 Rd1 0-1

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.09"]
[Round "2"]
[White "Hernandez, Elvert"]
[Black "Osorio, Edwin"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2068"]
[BlackElo "1790"]
[PlyCount "52"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Be7 10. a3 Bg4 11. Be2 Bxf3 12. gxf3 Bh4+ 13. Kf1 Bg5 14. f4 Bh6 15. Kg2 Qe7 16. Qd3 Qh4 17. Rhf1 Ne7 18. Nb5 0-0-0 19. Bf2 Qxf4 20. Bg3 Qg5 21. Rxf7 Rd7 22. h4 Qg6 23. Qxg6 hxg6 24. Nxa7+ Kd8 25. Nb5 Nf5 26. Rxd7+ Kxd7 1-0

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.09"]
[Round "3"]
[White "Osorio, Edwin"]
[Black "Medina, Luis Fernando"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "1790"]
[BlackElo "1600"]
[PlyCount "61"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 f5 5. Nxe5 Qh4 6. 0-0 d5 7. Qe2 Bd6 8. Nd2 0-0 9. Ndf3 Qh5 10. c4 c6 11. Qc2 Nd7 12. Be2 Ndf6 13. h3 Be6 14. Qb3 b6 15. Nxc6 Rfc8 16. Nce5 Bxe5 17. dxe5 dxc4 18. Qc2 Nd5 19. Ng5 Qe8 20. Nxe4 fxe4 21. Qxe4 c3 22. Bd3 Qh5 23. bxc3 Nxc3 24. Qe3 Rc5 25. f4 Rac8 26. Ba3 R5c6 27. f5 Bxa2 28. Ba6 Bc4 29. Bxc8 Rxc8 30. Qxc3 Ba6 31. Qf3 1-0

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.08"]
[Round "1"]
[White "Osorio, Edwin"]
[Black "Rios, David"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1790"]
[BlackElo "1600"]
[PlyCount "77"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 d4 7. 0-0 Bd6 8. Qe2 e5 9. a3 Bg4 10. h3 Bxf3 11. Nxf3 h6 12. Nh4 Ne7 13. f4 Qc7 14. Bd2 a5 15. Rae1 Nd7 16. Qg4 g6 17. Qe2 b6 18. Nf3 0-0-0 19. fxe5 Bxe5 20. Nxe5 Nxe5 21. b4 axb4 22. axb4 cxb4 23. Bxb4 N7c6 24. Bd2 h5 25. Bg5 Rd6 26. Rb1 Re8 27. Rb5 Na7 28. Rb3 Rc6 29. c4 dxc3 30. d4 c2 31. Rc1 Nd7 32. Bf4 Qb7 33. e5 Kd8 34. Rc3 Qc8 35. Bxc6 Nxc6 36. Qxc2 Ndb8 37. d5 Qxh3 38. dxc6 Na6 39. Qd3+ 1-0

[Event "COL-ch"]
[Site "Medellin"]
[Date "2001.??.??"]
[Round "1"]
[White "Martinez, Cristian"]
[Black "Osorio, Edwin"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2303"]
[PlyCount "57"]
[EventDate "2001.??.??"]
[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 d6 3. d4 Nd7 4. Nc3 c6 5. Bc4 h6 6. Bb3 Be7 7. Ne2 Ngf6 8. Ng3 exd4 9. Qxd4 Nc5 10. 0-0 0-0 11. Bf4 Ne6 12. Qd2 Nxf4 13. Qxf4 Qa5 14. Rfe1 Nh5 15. Nxh5 Qxh5 16. h3 g5 17. Qe3 g4 18. hxg4 Bxg4 19. Nd4 Bf6 20. Nf5 Bxf5 21. exf5 Bxb2 22. Rad1 d5 23. c3 Qg5 24. Qe5 Qg7 25. f6 Qg5 26. Qxg5+ hxg5 27. Re5 Kh7 28. Bc2+ Kh6 29. g4 1-0

