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Search   Ospina Ortiz, Oscar Alexander
     
380999              1. b4 a5 2. b5 b6 3. Bb2 Bb7 4. e3 Nf6 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O 8. c4 c6 9. d4 d5 10. Nc3 Nbd7 11. cxd5 cxd5 12. Na4 Rc8 13. Rc1 Ne4 14. Bd3 Nd6 15. Qb3= Nf6 16. Ne5 Nfe4 17. Rfd1 Rxc1 18. Rxc1 e6 19. f3 Nd2 20. Qd1 N2c4 21. Nxc4= Nxc4 22. Bxc4 dxc4 23. Rxc4 Qg5 24. Nxb6 Qxe3+ 25. Kf1 Qf4 26. d5 Qxh2 27. Bxg7= Qh1+ 28. Ke2 Qxg2+ 29. Ke3 Kxg7 30. Qd4+ Kg8 31. Nd7 Qg1+ 32. Kd2 Qxd4+ 33. Rxd4 Rc8 34. d6 Rd8 35. Nc5 Bd5 36. d7 Kf8 37. Ra4 Ra8 38. Rxa5 Ke7 39. Rxa8= Bxa8 40. a4 h5 41. Ke3 g5 42. Kf2 h4 43. a5 f5 44. a6 g4 45. fxg4 fxg4 46. b6 g3+ 47. Kg1 Bc6 48. b7 h3 49. d8=Q+ 1-0
Puentes, Alvaro
Ospina Ortiz, Oscar Alexander
III Open IRT Ajedrez
Coliseo Deportivo de Ortega Tolima
2013
A00
396229              1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. Bg5 O-O 6. e3 Nbd7 7. Bd3 c6 8. Rc1 a6 9. O-O b5 10. b4 Nb6 11. Bxf6 Bxf6 12. c5 Nc4 13. Qc2 d5 14. h3 Re8 15. e4 e5 16. dxe5 Nxe5 17. Nxe5 Bxe5 18. exd5 cxd5 19. Ne2 Qh4 20. f4 Bg7 21. Rf3 d4 22. f5 Bh6 23. Rcf1 Be3+ 24. Kh2 g5 25. g4 Ra7 26. Kg2 Rc7 27. Ng3 Bb7 28. Be4= Bxe4 29. Nxe4 Qh6 30. f6 Bf4 31. Qd3 Qg6 32. Nd6 Bxd6 33. cxd6 Qxd3 34. Rxd3= Rd7 35. Rxd4 Re6 36. Rf5 1/2-1/2
Ospina Ortiz, Oscar Alexander
Velez Alvarez, Laura Camila
III Open IRT Ajedrez
Coliseo Deportivo de Ortega Tolima
2013
E61
399232              1. c4 e6 2. d4 c6 3. Nf3 Nf6 4. a3 d5 5. cxd5 exd5 6. g3 Bd6 7. Bg2 O-O 8. O-O Bg4 9. h3 Bh5 10. Bg5 Re8 11. e3 Nbd7 12. Nbd2 Qb6 13. b4 Ne4 14. g4 Bg6 15. Nh4 Nxg5 16. f4 Rxe3 17. fxg5 Qxd4 18. Ndf3 Qb6 19. Qd4 Rae8 20. Nf5 Bxf5 21. Qxb6 axb6 22. gxf5 Ra8 23. Rfe1 Rxe1+ 24. Rxe1 Rxa3 25. Re8+ Nf8 26. b5 Ra1+ 27. Kf2 Ra2+ 28. Re2 Bc5+ 29. Kf1 Rxe2 30. Kxe2 Nd7 0-1
Pena Mora, Carlos
Ospina Ortiz, Oscar Alexander
III Open IRT Ajedrez
Coliseo Deportivo de Ortega Tolima
2013
A13
127062              1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 d6 5. Nf3 Nbd7 6. e3 c5 7. d5 Qa5 8. Qd2 h6 9. Bh4 Ng4 10. Be2 a6 11. O-O g5 12. Bg3 Nge5 13. Bxe5 Nxe5 14. Nxe5 Bxe5 15. Bh5 b5 16. cxb5 axb5 17. f4 gxf4 18. exf4 Bd4+ 19. Kh1 Bf5 20. Rfe1 Rg8 21. Qe2 Bf6 22. Qxb5+ Kf8 23. Qe2 Ra7 24. Ne4 Bg6 25. Ng3 Bxh5 26. Qxh5 Bxb2 27. Rab1 Qc3 28. Qxh6+ Ke8 29. Qxd6 1-0
Ospina Ortiz, Oscar Alexander
Acuna Buitrago, Camilo Andres
Bogota Col, LAB Open March
2013
E61
425706              1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d6 6. h3 Nbd7 7. e3 c5 8. d5= Qa5 9. Qd2 a6 10. Be2 Rb8 11. a4 Nb6 12. O-O Bf5 13. e4 Bd7 14. e5 dxe5 15. Nxe5 Bf5 16. g4 Bc8 17. Bf4 Ra8 18. Rfd1 Nbd7 19. Nd3 Ne8 20. Ne4 Qxd2 21. Rxd2 b6 22. a5 f5 23. Ng5 Nd6 24. Rc2 b5 25. cxb5 c4 26. Nb4 fxg4 27. Ne6 axb5 28. Nxf8 Kxf8 29. Bxg4 Nc5 30. Bxc8 Nxc8 31. Ra3 Nb3 32. Bc7 Ke8 33. Nc6 Kd7 34. Bg3 e6 35. Nb8+ Ke7 36. Rxb3 cxb3 37. Rxc8 Bxb2 38. d6+ Kf7 39. d7 Bf6 40. Be5= Be7 41. Nc6 1-0
Ospina Ortiz, Oscar Alexander
Valle, Efrain
IRT OPEN Clasificatorio Final Distrital 2013
Liga de Ajedrez de Bogotá - Unidad Deportiva el Sa
2013
E61
425726              1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 O-O 5. Nf3 h6 6. Bf4 d5 7. e3 c6 8. Bd3 dxc4 9. Bxc4 b5 10. Bb3 b4 11. Ne2 Nd5 12. Be5 f6 13. Bg3 Kh7 14. Rc1 Qb6 15. Qc2 Bb7 16. O-O Na6 17. e4 Ndc7 18. Rfd1 Rac8 19. Nf4 Rcd8 20. Nh4 e5 21. Nfxg6= Rfe8 22. dxe5 fxe5 23. Bxe5 Rxd1+ 24. Rxd1 Bc8 25. Bxg7 Kxg7 26. Nf4 Qc5 27. Qxc5 Nxc5 28. Nh5+ Kh8 29. Bf7 Bg4 30. f3 Bxh5 31. Bxh5 Rb8 32. Rd6 N7e6 33. Bg4 Nf4 34. Rxc6 Ncd3 35. Rxh6+ Kg7 36. Nf5+ Kf7 37. Nd4 b3 38. axb3 Rb4 39. g3= Ng6 40. Be6+ Kf6 41. Bc4 1-0
Ospina Ortiz, Oscar Alexander
Prado, Leonardo
IRT OPEN Clasificatorio Final Distrital 2013
Liga de Ajedrez de Bogotá - Unidad Deportiva el Sa
2013
E61
425727              1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 g6 8. Bxe7= Qxe7 9. h5 c5 10. hxg6 fxg6 11. Bd3 cxd4 12. Bxg6+ Kd8 13. Qxd4 Nc6 14. Qh4= Qxh4 15. Rxh4 Ncxe5 16. Bd3 Nxd3+ 17. cxd3 Ne5 18. Kd2 Ke7 19. b3 Kd6 20. d4= Ng6 21. Rh6 Bd7 22. g3 Rhf8 23. f4 Rf7 24. Nf3 Ne7 25. Ng5 Rg7 26. Rxh7 Rxh7 27. Nxh7 Nf5 28. Ne2 Rh8 29. Rh1 Bb5 30. g4 Bxe2 31. gxf5 Bf3 32. Rh6 Be4 33. Rxe6+ Kc7 34. Nf6 Rh2+ 35. Ke3 Rh3+ 36. Kf2 Rh2+ 37. Kg3 Rg2+ 38. Kh4 Bxf5 39. Nxd5+ Kd7 40. Rf6 Be6 41. Nc3 Ke7 42. Rh6 Rg4+ 43. Kh5 Rxf4 1/2-1/2
Manrique, Fernando
Ospina Ortiz, Oscar Alexander
IRT OPEN Clasificatorio Final Distrital 2013
Liga de Ajedrez de Bogotá - Unidad Deportiva el Sa
2013
C13
1338487              1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d6 6. e3 Nbd7 7. Be2 c6 8. O-O Qc7 9. Qc2 a5 10. a4 e5 11. Rac1 Re8 12. Rfd1 exd4 13. Nxd4 Nc5 14. Bf3 Ng4 15. Ndb5 cxb5 16. Nxb5 Qb8 17. Nxd6 Bd7 18. Bf4 Ne5 19. Nxe8 Bxa4 20. Bxe5 Bxe5 21. Qd2 Bxd1 22. Rxd1 Qxe8 23. Qd5 Qe7 24. h4 Bc7 25. Qg5 Qxg5 26. hxg5 Rd8 27. Rb1= Rd2 28. b4 axb4 29. Rxb4 Rc2 30. Kf1 b6 31. Rb1 Rxc4 32. Bd5 Rc2 33. f4 Rd2 34. Bf3 Rd3 35. Ke2 Rb3 36. Ra1 Rb2+ 37. Kf1 b5 38. Ra7 Bb6 39. Ra8+ Kg7 40. Rb8= Na4 41. e4 Be3 0-1
Ospina Ortiz, Oscar Alexander
Barros, Raul Junior
Campeonato Nacional de Ajedrez Mayores 2013 ABSOLU
Ibague (Tolima) Gobernación del Tolima
2013
E61
1338605              1. e4 e6 2. d4 d5 3. exd5 exd5 4. h3 Bd6 5. Nf3 h6 6. Nc3 Nf6 7. Bd3 O-O 8. O-O c6 9. Re1 Be6 10. Ne5 a6 11. f4 Qc8 12. Qf3 Bf5 13. g4 Bxd3 14. cxd3 Nbd7 15. Ne2 c5 16. Be3 cxd4 17. Nxd7 Qxd7 18. Bxd4 Qb5 19. Bxf6 gxf6 20. Kh1 Rfe8 21. b3 Qb4 22. Rf1 Qd2 23. Ng1 Re3 24. Qxd5 Rxd3 25. Qg2 Bxf4 26. Qxd2 Bxd2 27. Rxf6 Bc3 0-1
Munoz, Alvaro E
Ospina Ortiz, Oscar Alexander
Campeonato Nacional de Ajedrez Mayores 2013 ABSOLU
Ibague (Tolima) Gobernación del Tolima
2013
C01
405918              1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. a4 Bb4 7. Qc2 Nbd7 8. e3 b5 9. Be2 Bb7 10. O-O a6 11. e4 Bxc3 12. bxc3 Qc7 13. Rfb1 O-O 14. e5 Nd5 15. Bh4 h6 16. Bg3 Rfb8 17. Nd2 c5 18. Bf3 Bc6 19. Ne4 cxd4 20. cxd4 Qb6 21. Qd2= Ne7 22. Nd6 Bxf3 23. gxf3 Qc6 24. Qf4 Rf8 25. axb5 axb5 26. Rxa8 Qxa8 27. Rxb5= Nd5 28. Qc1 c3 29. Qc2 Rb8 30. Kg2 Rxb5 31. Nxb5 Qc6 32. Na3 Nb8 33. Qb3 Na6 34. Nc2 g5 35. Kf1 Nab4 36. Nxb4 Nxb4 37. d5 exd5 38. e6 c2 39. exf7+ Kxf7 40. Qxb4 Qc4+ 0-1
Ospina Ortiz, Oscar Alexander
Narvaez, Faber Alberto
III ITT JAHV McGREGOR
Bulevar Niza
2012
D44
408846              1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. O-O a6 11. Re1 O-O 12. Rc1 Rc8 13. Bxf6 Nxf6 14. a3 c5 15. Be2 Re8 16. dxc5 Bxc5 17. Qxd8 Rexd8 18. Red1 Bb6 19. Nd4 h6 20. Bf3 Bxf3 21. Nxf3 Kf8 22. h3 Ke7 23. Kf1 Nd7 24. Ne4 f5 25. Nc3 Kf6 26. Rd6 Ke7 27. Rcd1= Ba5 28. R6d3 Bc7 29. g3 Nb6 30. Nd4 Rd6 31. Ke2 Nc4 32. Rb1 Rcd8 33. Na2 Kf6 34. Nb4 g5 35. f4 Bb6 36. Nbc6 R8d7 0-1
Aguirre Reyes, Jorge Alberto
Ospina Ortiz, Oscar Alexander
III ITT JAHV McGREGOR
Bulevar Niza
2012
D43
410787              1. d4 d5 2. Nf3 Nc6 3. c4 Nf6 4. Nc3 Bf5 5. Qb3 Rb8 6. cxd5 e6 7. dxc6 bxc6 8. Qa4 Rb6 9. e3 Qb8 10. Ne5 Qb7 11. Nxc6 Nd7 12. Ne5 c6 13. Nxd7 Qxd7 14. Be2 Bd6 15. O-O O-O 16. d5 Rc8 17. dxe6 Bxe6 18. Rd1 Rb4 19. Qxb4 Bxb4 20. Rxd7 Bxd7 21. Bd2 Bd6 22. Rc1 Kf8 23. Ne4 1-0
Ospina Ortiz, Oscar Alexander
Gomez, Manuela
III ITT JAHV McGREGOR
Bulevar Niza
2012
D07
1324754              1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Bd6 6. Bg3 O-O 7. Bd3 b6 8. Nbd2= Re8 9. Bxd6 Qxd6 10. Ne5 Ba6 11. Ndf3 Bxd3 12. Qxd3 Nc6 13. O-O Rac8 14. a4 Ne4 15. Nxc6 Rxc6 16. Ne5 Rc7 17. f3 Nf6 18. f4 Ne4 19. f5 exf5 20. Rxf5 f6 21. Ng4= Rce7 22. c4 Qe6 23. Raf1 dxc4 24. Qd1 g6 25. R5f4 Kg7 26. Qf3 f5 27. Ne5 Nd2 28. Qh3 Nxf1 29. Kxf1 cxd4 30. exd4 Qd6 31. Rh4 h5 32. Qg3 Rxe5 33. dxe5 Rxe5 34. Qc3 Qd1+ 35. Kf2 Qe2+ 36. Kg3 g5 37. Rxc4 f4+ 0-1
Hans, Bayer
Ospina Ortiz, Oscar Alexander
III ITT JAHV McGREGOR
Bulevar Niza
2012
D02
406047              1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. Nf3 Be7 5. g3 b6 6. e5 Nfd7 7. Bg2 Bb7 8. O-O c5 9. h4 h6 10. Re1 Nc6 11. c3 Qc7 12. d4 cxd4 13. cxd4 Nb4 14. Nc3 Ba6 15. Qd1= Nd3 16. Re3 Nxc1 17. Rxc1 Rc8 18. Ne2 Qb7 19. Rxc8+ Qxc8 20. Rc3 Qb8 21. Nf4 O-O 22. Bh3 Re8 23. Nxd5 Bd8 24. Nf4 Qb7 25. Bg2 Qb8 26. Qa4 Bc8 27. Qc6 Be7 28. d5 exd5 29. Nxd5 Bc5 30. b4 Bf8 31. Bh3 Rd8 32. e6 fxe6 33. Qxe6+ Kh8 34. Ne7 Bxe7 35. Qxe7 Bb7 36. Bxd7 Qa8 37. Ne5 Bd5 38. a3 a5 39. Qxd8+ Qxd8 40. Rc8 1-0
Sierra, Edwin Andres
Ospina Ortiz, Oscar Alexander
III ITT JAHV McGREGOR
Bulevar Niza
2012
C00
345564              1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.e3 Bb7 6.Bd3 O-O 7.O-O d5 8.Re1 Nbd7 9.a3= Bxc3 10.bxc3 Re8 11.cxd5 exd5 12.a4 c5 13.Ba3 Qc7 14.Bb1 Ne4 15.Qc2 Rac8 16.Ra2= Ba6 17.Rb2 Qc6 18.Rc1 Qf6 19.Qd1 Rc7 20.Rbc2 Qc6 21.Ra2 h6 22.h3 Rec8 23.Bc2 Qf6 24.Bxe4 dxe4 25.Ne1 Qg6 26.Rd2 Kh7 27.a5 bxa5 28.Qa4 Nb6 29.Qd1 cxd4 30.cxd4= Rxc1 31.Bxc1 Nd5 32.Bb2 f5 33.Qa4 f4 34.exf4 Nxf4 35.Qd7 Rf8 0-1
Ospina Ortiz, Oscar Alexander
Barrientos, Sergio E
V Festival Internacional de Ajedrez
Universidad Central
2011
E21
2295436              1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3= Be7 9. Qd2 Qc7 10. g4 h6 11. O-O-O Nbd7 12. Kb1 Nc5 13. Nxc5 dxc5 14. Nd5 Nxd5 15. exd5 Bxd5 16. Be2 O-O-O 17. Qc3 Kb8 18. Rhe1 f6 19. Bf2 Qc6 20. Bg3 Ka8 21. Rd3 Rd7 22. Qa5 Rhd8 23. Bf2 Bc4 24. Rxd7 Qxd7 25. Bxc5 Bxc5 26. Qxc5 Bxe2 0-1
Ospina Ortiz Oscar Alexander (COL)
Pena Fernando (COL)
Tournament (open)
Bogota (Colombia)
2011
B90
425830              1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bd3 Be7 8.O-O O-O 9.c3 b6 10.Qc2 Bb7 11.Ne5 c5 12.Be3 cxd4 13.Bxd4 Rc8 14.Rad1 Qd5 15.Nf3 Qh5 16.Be2 Be4 17.Qa4 Nd5 18.Bxg7 Kxg7 19.Qxe4 Bd6 20.h3 Rfd8 21.Nd4 Qh6 22.Ba6 Rc5 23.Nb3 Rc7 24.Nd4 Rc5 25.Nb5 Bb8 26.Qd4+ e5 27.Qg4+ Kh8 28.c4 Rg8 29.Qf5 Nf4 30.g3 Qc6 31.f3 Rxg3+ 32.Kh2 Rxh3+ 33.Kg1 Rg3+ 34.Kh2 Qh6+ 0-1
Ospina Ortiz, Oscar Alexander
Gaviria, Alejandro
IRT Open Mayores Distrital JULIO
Liga de Ajedrez de Bogota - Bulevar Niza
2011
C10
425764              1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.O-O Be7 8.Kh1 Qc7 9.f4= Nbd7 10.Bf3 O-O 11.a4 Rb8 12.a5 b6 13.e5 dxe5 14.Nc6 Bd6 15.Nxb8 Qxb8 16.axb6= Nxb6 17.fxe5 Bxe5 18.Ne4 Nbd5 19.c4 Nxe4 20.Bxe4 Nf6 21.Bc2 Bb7 22.Ra3 Rd8 23.Qe2 Bxh2 24.Rxf6 gxf6 25.Rh3 Bf4 26.Qg4+ Bg5 27.Bxg5 fxg5 28.Qxg5+ Kf8 29.Rxh7 Ke8 30.Ba4+ 1-0
Ruiz Aguilar, Pablo Alexander
Ospina Ortiz, Oscar Alexander
IRT Open Mayores Distrital JULIO
Liga de Ajedrez de Bogota - Bulevar Niza
2011
B84
9606963              1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Re8 7. O-O Nbd7 8. Bg5 h6 9. Bf4 e5 10. dxe5 dxe5 11. Nxe5 Nxe4 12. Nxe4 Nxe5 13. Qxd8 Rxd8 14. Rad1 Be6 15. b3 g5 16. Bg3 b6 17. f4 gxf4 18. Bxf4 c5 19. h3 Ng6 20. Bg3 f5 21. Bh5 Nf8 22. Nd6 Bd4+ 23. Kh2 Kh7 24. Nxf5 Ng6 25. Nxd4 Rxd4 26. Rxd4 cxd4 27. Rf6 Nf8 28. Bf4 Rd8 29. Bxh6 1-0
Ospina Ortiz, Oscar Alexander
Ribero, Guillermo Andres
IRT Open Mayores Distrital Julio
2011
2109712              1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Qc7 7. Qf3 Nbd7 8. O-O-O h6 9. Bh4 b5 10. Nd5 Nxd5 11. exd5 Ne5 12. Qe3 g5 13. Bg3 Bg7 14. h4 Rf8 15. hxg5 hxg5 16. Be2 f5 17. Bh5+ Kd8 18. Qe2 f4 19. Bh2 Bd7 20. f3 Qa5 21. Kb1= Rc8 22. Bg1 Nc4 23. Nb3 Qc7 24. Bd4 Bxd4 25. Nxd4 Ne3 26. Bg4 Nxg4 27. fxg4 Qc4 28. Qe4 Bxg4 29. Rde1 Re8 30. Nc6+ Kc7 1/2-1/2
Narvaez, Faber Alberto
Ospina Ortiz, Oscar Alexander
IRT Open Mayores Marzo
Bulevar niza 3er piso
2011
B94
2148701              1. e4 e6 2. Qe2 Nc6 3. c3 e5 4. d3 d5 5. Qc2 Nf6 6. Be2 Be7 7. Nf3 Bg4 8. h3= Bh5 9. O-O h6 10. Nh4 Bxe2 11. Qxe2 Nxe4 12. Nf5 Nd6 13. Nxg7+ Kf8 14. Nh5 f5 15. Qf3 d4 16. Qg3 Ke8 17. c4 f4 18. Qg6+ Kd7 19. Qg4+ Ke8 20. c5 Nf7 21. Ng7+ 1-0
Ruiz C, Joshua D
Ospina Ortiz, Oscar Alexander
IRT Open Mayores Distrital JULIO
Liga de Ajedrez de Bogota - B
2011
C00
2327804              1. d4 Nf6 2. c4 e6 3. Nc3 c6 4. e4 d5 5. e5 Nfd7 6. cxd5 cxd5 7. Bd3 Nc6 8. Nf3= Be7 9. O-O a6 10. Be3 O-O 11. Rc1 f6 12. exf6 Nxf6 13. a3 Bd7 14. Bb1 Bd6 15. Qd3 Ne7 16. Ng5 Ng6 17. Nxh7 Nxh7 18. Qxg6 Qh4 19. g3 Qh3 20. Rfe1 1-0
Ospina Ortiz, Oscar Alexander
Ruiz, Melissa
IRT Open Mayores Distrital JULIO
Liga de Ajedrez de Bogota - B
2011
E00
2370604              1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 a6 7. Be3 b5 8. Qd2= Bb7 9. Nxc6 Bxc6 10. g4 e6 11. h4 Be7 12. h5 b4 13. Ne2 Nd7 14. Nd4 Bb7 15. O-O-O Ne5 16. Qxb4 Qd7 17. Be2 O-O 18. f4 Nc6 19. Nxc6 Bxc6 20. Qd4 Rfb8 21. g5 Qb7 22. h6 f6 23. Bc4 Bd7 24. f5 Qc8 1-0
Ospina Ortiz Oscar Alexander (COL)
Quijano Santiago (COL)
Tournament (open)
Bogota (Colombia)
2011
B56
2420647              1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. Bd3 Be7 7. O-O O-O 8. Re1 cxd4 9. exd4 dxc4 10. Bxc4 Qb6 11. a3 Rd8 12. Be3 Ng4 13. d5 Nxe3 14. Rxe3 exd5 15. Nxd5 Qc5 16. Nxe7+ Qxe7 17. Rxe7 Rxd1+ 18. Rxd1 Be6 19. Rxe6 fxe6 20. Bxe6+ 1-0
Ospina Ortiz, Oscar Alexander
Jimenez, Leonardo Andres
Bogota COL, 5th Open
Bogota COL
2011
D40
347090              1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 c5 6.d5 Na6 7.Nf3 Nc7 8.O-O O-O 9.Rb1= Bd7 10.Qc2 Rb8 11.b4 cxb4 12.Rxb4 Na6 13.Rb1 Nc5 14.Be3 Qa5 15.Bd4 Rfc8 16.e5= Ne8 17.exd6 Bf5 18.Qb2 Bxb1 19.Bxg7 Nxg7 20.Rxb1 exd6 21.Nd4 a6 22.Nc6 bxc6 23.Qxb8 Rxb8 24.Rxb8+ Ne8 25.Rxe8+ Kg7 26.dxc6 Qxc3 27.c7 Qe1+ 0-1
Ospina Ortiz, Oscar Alexander
Martinez, Christian
V Festival Internacional de Ajedrez
Universidad Central
2011
E73
400122              1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Nxf6+ Bxf6 7.Bxf6 Qxf6 8.Nf3 O-O 9.Bd3 c5 10.c3 cxd4 11.Nxd4 Bd7 12.Qc2 h6 13.O-O a6 14.Be4 e5 15.Nf5 Bc6 16.Rad1 Bxe4 17.Qxe4 Nc6 18.Rd7 Rab8 19.Qg4 Rfd8 20.Rfd1 Rxd7 21.Rxd7 Rd8 22.Rxb7 Qxf5 0-1
Garzon, Laura
Ospina Ortiz, Oscar Alexander
V Festival Internacional de Ajedrez
Universidad Central
2011
C11



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