[Event "COL-ch Amateur U1700"]
[Site "Bogota"]
[Date "2017.03.03"]
[Round "2"]
[White "Ariza Hernandez, Jorge Eliecer"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1600"]
[BlackElo "1538"]
[PlyCount "73"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d6 3. e3 Nc6 4. c4 e5 5. fxe5 Nxe5 6. Nc3 c6 7. Be2 Nxf3+ 8. Bxf3 Be7 9. 0-0 0-0 10. d4 d5 11. cxd5 cxd5 12. Bd2 Be6 13. Be1 a6 14. Qb3 Qd7 15. Bh4 Rad8 16. Rac1 b5 17. Ne2 Ne4 18. Bxe7 Qxe7 19. Bxe4 dxe4 20. Qc2 Bc4 21. b3 Bd3 22. Qd2 b4 23. Rf2 a5 24. Nf4 Rxd4 25. exd4 Re8 26. Qe3 Qd7 27. Nxd3 exd3 28. Qxd3 a4 29. Rcf1 Rf8 30. Qc4 axb3 31. axb3 Qb7 32. d5 Qb6 33. Kh1 g6 34. d6 Kg7 35. Rxf7+ Rxf7 36. Qxf7+ Kh6 37. d7 1-0

[Event "COL-ch Amateur U1700"]
[Site "Bogota"]
[Date "2017.03.03"]
[Round "3"]
[White "Ortega, Rosendo"]
[Black "Rodriguez Gamboa, Juan Santiago"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1538"]
[BlackElo "1636"]
[PlyCount "64"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. f3 0-0 7. Qd3 d5 8. Bd2 dxe4 9. Nxe4 Bxd2+ 10. Qxd2 Qxd4 11. Nxf6+ Qxf6 12. 0-0-0 Be6 13. Bd3 Bxa2 14. g4 Be6 15. f4 Bxg4 16. Rde1 a5 17. Rhg1 Bf5 18. Bxf5 Qxf5 19. Rg5 Qf6 20. Reg1 g6 21. f5 Nd4 22. Qf2 Kh8 23. h4 Nxf5 24. h5 Qe6 25. hxg6 fxg6 26. Qh2 Qa2 27. Qe5+ Ng7 28. b3 a4 29. Rxg6 hxg6 30. Rh1+ Kg8 31. Qd5+ Rf7 32. Qg2 axb3 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.05"]
[Round "6"]
[White "Pineda, Paul"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1904"]
[BlackElo "1522"]
[PlyCount "71"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Be7 6. e3 Nfd7 7. Bf4 0-0 8. Bd3 f5 9. h3 Nf6 10. Ne5 Ne4 11. Qc2 a6 12. 0-0-0 b5 13. c5 Nd7 14. Nxc6 Qe8 15. Nxe7+ Qxe7 16. Bd6 Nxd6 17. cxd6 Qxd6 18. g4 Nb6 19. gxf5 exf5 20. Kb1 Be6 21. Rdg1 Ra7 22. Rg5 Raf7 23. Rhg1 Kh8 24. h4 Qd7 25. h5 Nc4 26. Ne2 Nd6 27. Nf4 Ne4 28. Bxe4 fxe4 29. Qe2 Rf6 30. Ng6+ Rxg6 31. hxg6 h6 32. R5g3 Qe7 33. f4 exf3 34. Rxf3 Bf5+ 35. Ka1 Rf6 36. Qf2 1-0

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.04"]
[Round "4"]
[White "Cardenas, Alejandro"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1999"]
[BlackElo "1522"]
[PlyCount "87"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nc6 5. Bg5 Be7 6. e3 a6 7. Bd3 Bd7 8. 0-0 0-0 9. Bxf6 Bxf6 10. cxd5 Ne7 11. dxe6 Bxe6 12. Ne4 Ng6 13. Nxf6+ Qxf6 14. Qc2 c6 15. Nd2 Rac8 16. Ne4 Qe7 17. Qc5 Rcd8 18. Qxe7 Nxe7 19. Nc5 Bc8 20. Rfd1 Rd6 21. Be2 Rfd8 22. Bf3 f5 23. Nd3 b6 24. Ne5 g5 25. Rac1 Bb7 26. Nc4 Rh6 27. Nxb6 g4 28. Be2 Rdd6 29. Na4 Rh5 30. g3 Rdh6 31. h4 Ng6 32. Nc5 Nxh4 33. gxh4 Rxh4 34. Bc4+ Kh8 35. Nxb7 Rh1+ 36. Kg2 R6h2+ 37. Kg3 Rh3+ 38. Kf4 Rf3+ 39. Ke5 Rh5 40. Bf7 Rg5 41. Kf6 h6 42. Bg6 f4 43. e4 g3 44. Rxc6 1-0

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.04"]
[Round "5"]
[White "Ortega, Rosendo"]
[Black "Lopez Ramirez, Jorge Hernan"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1522"]
[BlackElo "2002"]
[PlyCount "32"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Bf5 4. f3 Nf6 5. Bd3 Bg6 6. Bxg6 hxg6 7. Nc3 Qd6 8. g3 Nc6 9. Nge2 Nh5 10. Ne4 Qd7 11. Be3 0-0-0 12. Qd2 e5 13. 0-0-0 Qf5 14. Ng5 exd4 15. g4 Qf6 16. Bf4 Bb4 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.03"]
[Round "2"]
[White "Cadavid, Juan Miguel"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1911"]
[BlackElo "1522"]
[PlyCount "99"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Ne5 5. Nc3 c6 6. Be2 d6 7. 0-0 Nf6 8. f4 Ng6 9. Be3 Qc7 10. Kh1 Be7 11. Qe1 Bg4 12. Bc4 b5 13. Bd3 0-0 14. h3 Bd7 15. Nf5 a6 16. g4 b4 17. Ne2 c5 18. g5 c4 19. Nxe7+ Nxe7 20. gxf6 cxd3 21. fxe7 Rfe8 22. cxd3 Rxe7 23. Qh4 f6 24. Rac1 Qb7 25. f5 Bc6 26. Ng3 Rae8 27. Kh2 d5 28. Bc5 Rf7 29. Rfe1 dxe4 30. dxe4 Qb5 31. Qh5 Rc8 32. Qe2 Qa5 33. Qc4 b3 34. axb3 Qd2+ 35. Re2 Qd7 36. Qd4 Qb7 37. b4 Rd7 38. Qc4+ Kh8 39. Qc3 Rcd8 40. Rce1 Rd3 41. Qc1 h5 42. Qf4 Bb5 43. Nxh5 Qf7 44. Qh4 Kg8 45. Rg1 Qc7+ 46. Kh1 Rd1 47. Nxf6+ Kf7 48. Qh5+ Kxf6 49. Qg6+ Ke5 50. Qe6+ 1-0

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.02"]
[Round "1"]
[White "Ortega, Rosendo"]
[Black "Panesso, Oscar J"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1522"]
[BlackElo "2030"]
[PlyCount "38"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. 0-0-0 dxe4 10. fxe4 Ng4 11. Bg1 Bh6 12. Qxh6 Nxh6 13. h3 Nxd4 14. Bxd4 Qa5 15. Nd5 Re8 16. Bc3 Qxa2 17. b3 Be6 18. Bb5 Bxd5 19. Bxe8 Bxe4 0-1

[Event "Bogota Distrital qual"]
[Site "Bogota"]
[Date "2016.03.19"]
[Round "2"]
[White "Ortega, Rosendo"]
[Black "Ceron, Juan Carlos"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1529"]
[BlackElo "2106"]
[PlyCount "62"]
[EventDate "2016.03.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. a3 Qc7 5. Nc3 a6 6. 0-0 Nf6 7. h3 Be7 8. d3 0-0 9. Ne2 d5 10. exd5 exd5 11. Ba2 b5 12. d4 c4 13. c3 Bf5 14. Ng3 Bg6 15. Re1 h6 16. Be3 Bd6 17. Nf1 Rfe8 18. Bb1 Bxb1 19. Qxb1 a5 20. Qf5 Qd7 21. Qxd7 Nxd7 22. Ng3 b4 23. Nf5 Bc7 24. Bd2 Re6 25. Kf1 Nb6 26. Ne3 Bf4 27. Nc2 Bxd2 28. Nxd2 b3 29. Ne3 Rd6 30. Nf3 Na4 31. Red1 Nxb2 0-1

[Event "Ortega op 5th"]
[Site "Ortega"]
[Date "2015.06.15"]
[Round "7"]
[White "Ducuara Alape, Ronaldo"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "1607"]
[BlackElo "1567"]
[PlyCount "52"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d3 0-0 8. c3 d6 9. Re1 Na5 10. Bc2 c5 11. Nbd2 Qc7 12. Nf1 Bg4 13. Ng3 Rac8 14. h3 Bd7 15. Nh4 g6 16. Bh6 Rfe8 17. Qf3 Be6 18. Nhf5 Nh5 19. Bd1 Qd8 20. Nxe7+ Qxe7 21. Nf5 Qd7 22. Ng3 Kh8 23. Nxh5 f5 24. Bg7+ Qxg7 25. Nxg7 Kxg7 26. exf5 Bxf5 1-0

[Event "Ortega op 5th"]
[Site "Ortega"]
[Date "2015.06.14"]
[Round "6"]
[White "Ortega, Rosendo"]
[Black "Castro, Natalia Patricia"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1567"]
[BlackElo "2003"]
[PlyCount "46"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qc5 d6 9. Qe3 Qg6 10. Nc3 Nf6 11. h3 Nd4 12. Kd2 b5 13. f3 Bb7 14. g4 b4 15. Ne2 Nxf3+ 16. Qxf3 Bxe4 17. Qb3 Bxh1 18. Ng3 Ne4+ 19. Ke1 Nxg3 20. Qxg3 Qxc2 21. Be2 0-0 22. Kf2 Bc6 23. Kf1 Bb5 0-1

[Event "Ortega op 5th"]
[Site "Ortega"]
[Date "2015.06.13"]
[Round "3"]
[White "Ortega, Rosendo"]
[Black "Gamboa Giraldo, Juan Esteban"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1567"]
[BlackElo "1686"]
[PlyCount "44"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. b4 Bb6 8. a4 d5 9. Bb5 dxe4 10. 0-0 0-0 11. Nc2 Be6 12. a5 Bxe3 13. fxe3 Qe5 14. Ba4 b5 15. axb6 axb6 16. Nd4 Rfd8 17. Na3 Nxb4 18. cxb4 c5 19. bxc5 bxc5 20. Nab5 cxd4 21. Nxd4 Rd6 22. Qc2 Rda6 0-1

[Event "Ortega op 5th"]
[Site "Ortega"]
[Date "2015.06.12"]
[Round "2"]
[White "Ortega, Rosendo"]
[Black "Dominguez Rincon, Miller Duvan"]
[Result "0-1"]
[ECO "B58"]
[WhiteElo "1567"]
[BlackElo "2089"]
[PlyCount "82"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nf3 Be7 8. h3 0-0 9. Be3 a6 10. Nd2 b5 11. 0-0 Be6 12. f4 exf4 13. Rxf4 Nd7 14. Nd5 Bxd5 15. exd5 Nce5 16. Ne4 f5 17. Nf2 Bg5 18. Qd4 Rc8 19. c3 Nc4 20. Bxc4 Rxc4 21. Qd2 Bxf4 22. Bxf4 Ne5 23. b3 Rc7 24. Re1 Re8 25. Nd1 Rce7 26. Ne3 h6 27. Bxe5 Rxe5 28. Nc2 Qe7 29. Rf1 Re2 30. Qd3 Qe4 31. Qxe4 fxe4 32. Nd4 Rxa2 33. Nf5 e3 34. Nxd6 Rd8 35. Nf5 e2 36. Re1 Kf7 37. Ne3 a5 38. c4 a4 39. c5 axb3 40. c6 b2 41. c7 Rc8 0-1

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.20"]
[Round "6"]
[White "Arteaga, Jose Hender"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1695"]
[BlackElo "1567"]
[PlyCount "64"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 d6 4. d4 Be7 5. Bg5 Bg4 6. Nc3 a6 7. h3 Bxf3 8. gxf3 exd4 9. Qxd4 Nc6 10. Qe3 Ne5 11. Bb3 c5 12. f4 Ng6 13. e5 dxe5 14. fxe5 Nd7 15. Bxe7 Qxe7 16. Nd5 Qxe5 17. Qxe5+ Ngxe5 18. Nc7+ Ke7 19. Nxa8 Rxa8 20. Bd5 Rb8 21. 0-0-0 b5 22. f4 Ng6 23. Rhe1+ Kf6 24. Bxf7 Ngf8 25. Bh5 Nb6 26. Re8 Rxe8 27. Bxe8 Ne6 28. Bh5 Nd4 29. b3 a5 30. Be8 Ne2+ 31. Kb2 Nxf4 32. Bxb5 Ke5 1-0

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.20"]
[Round "5"]
[White "Trujillo, Luis Angel"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "1805"]
[BlackElo "1567"]
[PlyCount "89"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. c3 b5 7. Bc2 d6 8. d4 Bg4 9. Be3 Na5 10. b3 c6 11. Nbd2 Qc7 12. Qe1 Rc8 13. a4 bxa4 14. Rxa4 exd4 15. Nxd4 Bd7 16. Qa1 c5 17. Rxa5 cxd4 18. Bxd4 Ra8 19. Rxa6 Rxa6 20. Qxa6 0-0 21. Qd3 Ng4 22. e5 g6 23. exd6 Qxd6 24. Qg3 Qa6 25. Bd1 Bd6 26. f4 Nh6 27. Ne4 Be7 28. Nc5 Bxc5 29. Bxc5 Re8 30. Qf2 Bg4 31. Bxg4 Nxg4 32. Qh4 Nf6 33. Bd4 Ne4 34. Qh6 f6 35. Re1 Qd3 36. Qh3 Qa6 37. Qd7 Qa8 38. b4 Nd6 39. Rxe8+ Nxe8 40. h3 Qe4 41. Qg4 h5 42. Qf3 Qe6 43. Kh2 Nd6 44. Qd3 Nc4 45. Qxg6+ 1-0

[Event "Ortega op 4th"]
[Site "Ortega"]
[Date "2014.07.04"]
[Round "3"]
[White "Castro, Natalia Patricia"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1992"]
[BlackElo "1650"]
[PlyCount "45"]
[EventDate "2014.07.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. cxd5 exd5 6. e3 Be7 7. Nf3 0-0 8. Bd3 c6 9. 0-0 Re8 10. Rc1 Nf8 11. Ne5 N6d7 12. Bf4 f6 13. Nf3 Nb6 14. a4 Bg4 15. h3 Bh5 16. a5 Nc8 17. a6 b6 18. e4 dxe4 19. Bxe4 Qd7 20. Ne2 Nd6 21. Bxc6 Qe6 22. d5 Qf7 23. Bxa8 1-0

[Event "Ortega op 4th"]
[Site "Ortega"]
[Date "2014.07.03"]
[Round "1"]
[White "Castrillon Gomez, Melissa"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2169"]
[BlackElo "1650"]
[PlyCount "85"]
[EventDate "2014.07.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. Ng5 d5 7. exd5 Nd4 8. 0-0 Bb7 9. Re1 Be7 10. Nc3 0-0 11. Nf3 Nxb3 12. axb3 b4 13. Ne4 Bxd5 14. d3 Bxe4 15. dxe4 Qxd1 16. Rxd1 Rfd8 17. Re1 Nd7 18. Be3 f6 19. Nd2 Bc5 20. Nc4 Bd4 21. Bxd4 exd4 22. Ra4 c5 23. Rea1 Ne5 24. Nb6 Ra7 25. Nd5 d3 26. f4 Nc6 27. cxd3 Nd4 28. Rxa6 Rxa6 29. Rxa6 Nxb3 30. Kf2 Rd7 31. Ke3 Kf7 32. f5 h6 33. Nf4 Nd4 34. Ng6 Rd8 35. Ra7+ Kg8 36. Nf4 Re8 37. g4 Nc2+ 38. Kd2 Nd4 39. Nh5 Nf3+ 40. Ke3 Nxh2 41. Rxg7+ Kh8 42. Rg6 Nf1+ 43. Ke2 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.07"]
[Round "6"]
[White "Mejia, Yesica"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1873"]
[PlyCount "49"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 c6 3. Nf3 d6 4. d4 Qc7 5. Bc4 Be7 6. Ng5 Nh6 7. dxe5 dxe5 8. Qf3 0-0 9. 0-0 Kh8 10. h3 Qd6 11. Rd1 Qg6 12. Qg3 f5 13. h4 f4 14. Qd3 a5 15. a4 Bxg5 16. hxg5 Qxg5 17. Qd6 Qf6 18. Qc7 Nd7 19. Rxd7 Bxd7 20. Qxd7 Qh4 21. Be2 Nf7 22. b3 Ng5 23. Ba3 f3 24. Bxf8 Rxf8 25. Bxf3 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.05"]
[Round "3"]
[White "Ortega, Rosendo"]
[Black "Castaneda, Victor"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1907"]
[PlyCount "112"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Nc3 Be7 6. Bd3 Bg4 7. Be3 c6 8. Qd2 Bxf3 9. gxf3 Nbd7 10. 0-0-0 Qa5 11. Kb1 0-0-0 12. Ne2 Qxd2 13. Bxd2 Ne8 14. c4 dxc4 15. Bxc4 Nd6 16. Bd3 g6 17. Nc3 Nb6 18. b3 Bf6 19. Be3 Ne8 20. Be4 Nc7 21. Rd3 Bg7 22. Rhd1 f5 23. Kc2 Rhf8 24. h4 fxe4 25. fxe4 Ne6 26. d5 Nf4 27. R3d2 Bxc3 28. Kxc3 cxd5 29. e5 Ne6 30. Kb2 d4 31. Bh6 Rf5 32. a4 Rh5 33. Rc2+ Kb8 34. Bd2 Rxe5 35. Bb4 Red5 36. Re1 Nf4 37. Rd2 a5 38. Be7 R8d7 39. Bg5 Nh5 40. f4 Ng7 41. Bf6 Nf5 42. Re8+ Ka7 43. Ka3 d3 44. Re5 Ka6 45. Kb2 Rxe5 46. fxe5 Ng7 47. Kc1 Ne6 48. Kb2 Rd5 49. Be7 Nd7 50. b4 axb4 51. Bxb4 Nxe5 52. Kc3 Nc5 53. Bxc5 Rxc5+ 54. Kd4 Nf3+ 55. Kxc5 Nxd2 56. Kd4 Nf3+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.05"]
[Round "2"]
[White "Serrano Garzon, Laura Marcela"]
[Black "Ortega, Rosendo"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "52"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 c6 3. d3 Nf6 4. Nf3 d6 5. Bg5 Be7 6. Be2 0-0 7. 0-0 Nbd7 8. Bh4 Re8 9. d4 Qc7 10. Bc4 exd4 11. Nxd4 Ne5 12. Bb3 a6 13. f4 Ng6 14. e5 dxe5 15. Qf3 Nxh4 16. Qh3 Bxh3 17. gxh3 exd4 18. Na4 b5 19. c4 bxa4 20. Bxa4 Qa5 21. Bxc6 Qd2 22. Rf2 Qe3 23. Raf1 Bc5 24. f5 d3 25. b3 Qxf2+ 26. Rxf2 Re1# 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.04"]
[Round "1"]
[White "Ortega, Rosendo"]
[Black "Hernandez Agamez, Hugo"]
[Result "0-1"]
[ECO "B72"]
[BlackElo "2029"]
[PlyCount "72"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. h3 Nc6 5. d4 cxd4 6. Nxd4 g6 7. Be3 Bg7 8. Qd2 Bd7 9. f3 a6 10. g4 Rc8 11. h4 h6 12. Bg2 Ne5 13. Bf1 b5 14. 0-0-0 Qa5 15. Kb1 Be6 16. Nd5 Qxd2 17. Nxf6+ Bxf6 18. Rxd2 h5 19. g5 Bg7 20. Be2 Bc4 21. f4 Bxe2 22. fxe5 Bg4 23. exd6 exd6 24. Nb3 0-0 25. Rxd6 Bf3 26. Rf1 Bxe4 27. Rf2 Rfe8 28. a3 Bf5 29. Bd4 Re1+ 30. Ka2 Bxc2 31. Bc3 Bb1+ 32. Ka1 Rxc3 33. bxc3 Bxc3+ 34. Rb2 Bd3+ 35. Ka2 Bc4 36. Rdd2 a5 0-1

[Event "Duitama op 9th"]
[Site "Duitama"]
[Date "2013.01.07"]
[Round "7"]
[White "Velasco, Luz Mariela"]
[Black "Ortega, Rosendo"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1805"]
[BlackElo "1721"]
[PlyCount "67"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Ne5 Nbd7 5. Bd3 Qc7 6. f4 c5 7. b3 a6 8. 0-0 b5 9. c4 b4 10. cxd5 Nxd5 11. Qh5 g6 12. Qf3 Bb7 13. e4 N5f6 14. Bb2 Bg7 15. Nd2 0-0 16. Nxd7 Nxd7 17. Rac1 Qc6 18. d5 Qc7 19. Bc4 Nb6 20. Be2 Bxb2 21. Rc2 Bg7 22. f5 e6 23. f6 Bh8 24. e5 Qxe5 25. Nc4 Nxc4 26. Rxc4 Bxd5 27. Qf2 Bxc4 28. Bxc4 Rad8 29. g4 Rd6 30. g5 Rfd8 31. h4 Rd2 32. Qf3 Rd1 33. Rxd1 Rxd1+ 34. Qxd1 1-0

[Event "Duitama op 9th"]
[Site "Duitama"]
[Date "2013.01.06"]
[Round "6"]
[White "Ortega, Rosendo"]
[Black "Cardozo Meza, Ferney Adan"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1721"]
[BlackElo "1906"]
[PlyCount "80"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. h3 Bc5 5. d3 d6 6. Bg5 h6 7. Bh4 Be6 8. Qd2 Qd7 9. a3 g5 10. Bg3 Nh5 11. 0-0-0 0-0-0 12. Be2 Nf4 13. Bxf4 gxf4 14. Bf1 Rhg8 15. Nd5 Bxd5 16. exd5 Ne7 17. c4 Nf5 18. Kb1 Nd4 19. Nxd4 Bxd4 20. Rc1 Qa4 21. f3 Be3 22. Qc2 Qa5 23. Qc3 Qb6 24. Rc2 a5 25. Ka2 a4 26. Qb4 Qa6 27. Qb5 c6 28. dxc6 Qxc6 29. Qb4 Bc5 30. Qd2 Qb6 31. Qc3 Kc7 32. Re2 Ra8 33. Qc2 Bd4 34. Re1 h5 35. Rb1 h4 36. b4 axb3+ 37. Rxb3 Qc6 38. Rb5 Ra7 39. Rb3 Rga8 40. Qb2 Bc5 0-1

[Event "Duitama op 13th"]
[Site "Duitama"]
[Date "2010.01.09"]
[Round "3.7"]
[White "Ortega, Rosendo"]
[Black "Botello, Gregory Paul"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1721"]
[BlackElo "2028"]
[PlyCount "52"]
[EventDate "2010.01.09"]
[EventType "swiss"]
[EventRounds "7"]
[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. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. Be3 e5 7. Nb3 Be6 8. Nc3 Be7 9. Qd2 Nbd7 10. Nd5 Bxd5 11. exd5 Rc8 12. 0-0-0 Nb6 13. Bxb6 Qxb6 14. h4 0-0 15. g4 Rc7 16. h5 Rfc8 17. Na1 Rc5 18. Qf2 Qb4 19. Bd3 Qf4+ 20. Kb1 e4 21. g5 exd3 22. gxf6 dxc2+ 23. Nxc2 Rxc2 24. Qxc2 Rxc2 25. fxe7 Rc8 26. Rhe1 Re8 0-1

