| ECO A06 in 1990 play it! castro rojas osc defeats white's cuartas carlos in 90 moves | 1. Nf3 d5 2. d4 e6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nf6 6. Bf4 Be7 7. e3 Nc6 8. Bb5 O-O 9. O-O Bd7 10. h3 a6 11. Bd3 b5 12. Ne5 Nxe5 13. dxe5 Ne8 14. Ne2 f5 15. exf6 Bxf6 16. Qb3 a5 17. Bxb5 a4 18. Qd3 a3 19. bxa3 Nd6 20. Bxd7 Qxd7 21. Rad1 Nb5 22. Rb1 Nxa3 23. Rb3 Nc4 24. Nc3 Qc6 25. Rc1 Bxc3 26. Qxc3 Rxa2 27. Ra1 d4 28. Qe1 Rxa1 29. Qxa1 e5 30. Bg3 dxe3 31. fxe3 Nd2 32. Rc3 Qd5 33. Rc1 Nb3 34. Qa2 Ra8 35. Qb2 Nxc1 36. Qxc1 h5 37. Qc7 Ra2 38. Qc8+ Kh7 39. Qf5+ g6 40. Qf1 Kg8 41. Bxe5 Rd2 42. Bd4 g5 43. Kh2 Rc2 44. Kg3 Qd6+ 45. Kf3 Qf8+ |
| ECO A04 in 1991 play it! castro rojas osc defeats white's rengifo j in 86 moves | 1. Nf3 f5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. Qb3 Qe7 6. a3 Bxc3+ 7. bxc3 b6 8. a4 Nc6 9. Ba3 d6 10. e3 O-O 11. Be2 Ne4 12. Rc1 Na5 13. Qa2 c5 14. O-O Bb7 15. Ne1 e5 16. f3 Nf6 17. d5 Ba6 18. Rd1 Nd7 19. Kh1 Qh4 20. f4 e4 21. g3 Qh3 22. Rf2 Nf6 23. Bf1 Qh5 24. Be2 Bxc4 25. Bxh5 Bxa2 26. Rxa2 Nxh5 27. Rg2 Rab8 28. h3 Nc4 29. Bc1 b5 30. axb5 Rxb5 31. g4 Nf6 32. gxf5 Nd7 33. Rg5 Rb1 34. Ng2 a5 35. Nh4 Nf6 36. Rdg1 Rf7 37. R5g2 a4 38. Ra2 a3 39. Ng2 Nxd5 40. Nh4 Nxc3 41. Rag2 a2 42. f6 a1=Q 43. Nf5 g6 |
| ECO A04 in 1978 play it! castro rojas osc defeats white's camara helder in 80 moves | 1. Nf3 f5 2. e4 e5 3. Nc3 Nf6 4. Bc4 Nc6 5. Ng5 Qe7 6. Bf7+ Kd8 7. Bb3 Ke8 8. O-O Nd4 9. Bf7+ Kd8 10. Bc4 b5 11. Nxb5 Nxb5 12. Bxb5 h6 13. Nf3 fxe4 14. Nh4 Qf7 15. d4 exd4 16. Nf5 Qd5 17. Nxd4 Bc5 18. Nc6+ dxc6 19. Bxc6 Qxd1 20. Rxd1+ Ke7 21. Bxa8 Bg4 22. Re1 Rxa8 23. Be3 Kd6 24. h3 Bh5 25. g4 Bxe3 26. Rxe3 Be8 27. Rd1+ Ke5 28. Rc3 c6 29. Rc5+ Ke6 30. c4 a5 31. b3 Ra6 32. f4 Nd7 33. f5+ Ke7 34. f6+ gxf6 35. Rf5 Ne5 36. Rff1 a4 37. b4 Bf7 38. c5 Bxa2 39. Rd6 Be6 40. b5 Ra5 |
| ECO A05 in 1976 play it! castro rojas osc defeats white's boudy julio in 82 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. cxd5 Nxd5 7. Nc3 Nc6 8. Nxd5 Qxd5 9. d3 Qb5 10. Rb1 a5 11. Bf4 e5 12. Be3 Be6 13. a4 Qb4 14. b3 Bd5 15. Qd2 Qd6 16. Rfc1 Rfe8 17. Bc5 Qd7 18. Ne1 Bxg2 19. Nxg2 e4 20. Rd1 Rad8 21. Qc1 Qf5 22. Ne3 Qh5 23. dxe4 Rxd1+ 24. Nxd1 Qxe2 25. Ne3 Rxe4 26. Qd1 Qxd1+ 27. Rxd1 Bd4 28. Nd5 Kg7 29. Bxd4+ Rxd4 30. Rxd4 Nxd4 31. Nxc7 Nxb3 32. Ne8+ Kf8 33. Nd6 Ke7 34. Nc4 Ke6 35. h4 Kd5 36. Nb6+ Kc6 37. Nc4 b5 38. axb5+ Kxb5 39. Na3+ Kb4 40. Nc2+ Kc3 41. Na3 Nd4 |
| ECO A04 in 1990 play it! castro rojas osc defeats white's cuartas carlos e in 48 moves | 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. c4 O-O 6. d4 d6 7. Nc3 c6 8. b3 Qc7 9. Ba3 a5 10. Rc1 Na6 11. d5 Bd7 12. Nd4 Nc5 13. Bb2 Qb6 14. e3 a4 15. Rb1 axb3 16. Nxb3 Qa6 17. Nxc5 dxc5 18. Qb3 Ne8 19. Rfd1 Nd6 20. Bf1 Qa5 21. a3 Rfb8 22. Qc2 Rd8 23. Rd2 Re8 24. Qd1 Bxc3 |
| ECO A05 in 1972 play it! castro rojas osc defeats white's de greif boris in 72 moves | 1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. e3 a6 5. d4 Nc6 6. Be2 Qa5+ 7. Qd2 Qb6 8. dxc5 Qxc5 9. Ba3 Qb6 10. O-O g6 11. Nc3 Bg7 12. Rad1 Be6 13. Na4 Qc7 14. Nc5 Bc8 15. c4 dxc4 16. Bxc4 b6 17. Bxf7+ Kxf7 18. Ng5+ Kg8 19. Nce4 Kf8 20. Rc1 Nxe4 21. Nxe4 Bf5 22. f3 Qd7 23. Qe2 Bxe4 24. fxe4+ Ke8 25. Qc4 Ne5 26. Qb4 Rd8 27. Rfd1 Qc7 28. Qa4+ Rd7 29. Qxa6 Rxd1+ 30. Rxd1 Kf7 31. Rf1+ Bf6 32. Rc1 Qd7 33. Qxb6 Ra8 34. Qc5 Kg7 35. Rf1 Rc8 36. Qd5 Qa7 |
| ECO A04 in 1977 play it! castro rojas osc defeats white's agudelo antonio in 92 moves | 1. Nf3 f5 2. g3 Nf6 3. b3 g6 4. Bb2 b6 5. Bg2 Bg7 6. d3 O-O 7. O-O Bb7 8. Nbd2 Qe8 9. e4 f4 10. Qe2 d6 11. d4 Ba6 12. c4 e5 13. Qd3 Nc6 14. dxe5 dxe5 15. Rad1 Rd8 16. Qb1 Qe7 17. Qa1 fxg3 18. hxg3 Ng4 19. Nb1 Nd4 20. Bxd4 exd4 21. Qb2 Bb7 22. Qa3 Qxa3 23. Nxa3 Bxe4 24. Nh4 Bxg2 25. Nxg2 c6 26. Nc2 Rfe8 27. Nb4 Rd6 28. Rfe1 Rxe1+ 29. Nxe1 Re6 30. a4 a5 31. Nbd3 Re2 32. Rb1 c5 33. Kf1 Rd2 34. Rb2 Rxb2 35. Nxb2 h5 36. Nbd3 Be5 37. Ke2 Bd6 38. Nf3 Kf7 39. Ng5+ Ke7 40. Ne4 Bc7 41. f4 Ke6 42. Nd2 g5 43. Kf3 Kf5 44. fxg5 Kxg5 45. Kg2 Kf5 46. Kh3 Bd8 |
| ECO A10 in 1977 play it! castro rojas osc defeats white's rodriguez mauric in 48 moves | 1. c4 f5 2. g3 Nf6 3. d4 e6 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 d5 7. Qc2 c6 8. O-O O-O 9. Nc3 Kh8 10. Rac1 Nbd7 11. Bf4 Qe8 12. Be5 Ng4 13. h3 Ngxe5 14. Nxe5 Nxe5 15. dxe5 Qh5 16. e3 g5 17. Qe2 Qh6 18. f4 Bd7 19. a3 Rf7 20. b4 Rg8 21. g4 gxf4 22. exf4 fxg4 23. hxg4 Rxf4 24. Bf3 Qh3 |
| ECO A22 in 2000 play it! castro rojas osc defeats white's betancourt david in 126 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 Be6 10. Be3 Nd5 11. Nxd5 Bxd5 12. Qa4 O-O 13. Rfc1 Re8 14. Bc5 Bf6 15. e4 Be6 16. Rd1 Bd7 17. Qc4 Bg4 18. b4 a4 19. Rdc1 Be6 20. Qc3 Qd7 21. Be3 Bb3 22. Re1 Rac8 23. Nd2 Be6 24. Qc2 Nd4 25. Bxd4 Qxd4 26. Nf3 Qd7 27. h4 b6 28. Qd2 Red8 29. Bf1 Qe7 30. Qb2 Bg4 31. Nh2 Be6 32. Rac1 Bd7 33. Rc2 Bb5 34. Rc3 c6 35. Ng4 Rc7 36. Ne3 g6 37. Nc4 Rb7 38. Rcc1 Rd4 39. Nd2 Bg7 40. Nf3 Rd8 41. h5 Qf6 42. Kg2 Bxd3 43. Rc3 Rbd7 44. hxg6 hxg6 45. Qc1 Bxf1+ 46. Rxf1 Rd6 47. Qc2 b5 48. Rc1 Bh6 49. Rh1 Kg7 50. Qe2 Qe6 51. Rh4 Rd1 52. Rc5 f6 53. Qc2 R1d3 54. Qb1 Rd1 55. Qc2 R1d6 56. Qe2 Qb3 57. Qc2 Qxc2 58. Rxc2 Rc8 59. Rh1 Rd3 60. Ra1 Kf7 61. Ne1 Rb3 62. Kf1 f5 63. exf5 gxf5 |
| ECO C63 in 1976 play it! castro rojas osc defeats white's pinal nelson bor in 126 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Nxe5 Nxe5 6. dxe5 c6 7. Nc3 d5 8. exd6 Nf6 9. Bc4 Bxd6 10. Bg5 Bf5 11. Qd4 h6 12. Bh4 Qe7 13. O-O-O Bc5 14. Qd2 e3 15. Qe2 g5 16. Bg3 exf2 17. Qxe7+ Kxe7 18. Rhf1 Bg4 19. Rd3 Rad8 20. Bxf2 Bxf2 21. Rxf2 Rxd3 22. Bxd3 Rd8 23. h3 Be6 24. a3 Nh5 25. Ne2 Rd5 26. Bg6 Nf6 27. Nc3 Re5 28. Re2 Rxe2 29. Nxe2 Bd5 30. g3 Be4 31. Bxe4 Nxe4 32. Kd1 Nf2+ 33. Kd2 Nxh3 34. Ke3 Kf6 35. Kf3 h5 36. Nd4 Ke5 37. Nb3 g4+ 38. Ke3 Ng5 39. Nc5 Kd5 40. Nd3 Ne6 41. b3 b5 42. Nb4+ Kd6 43. Ke4 Ng5+ 44. Ke3 c5 45. Nd3 Ne6 46. c3 c4 47. bxc4 bxc4 48. Nf2 Ke5 49. Nd1 Ng7 50. Nb2 Nf5+ 51. Kf2 Kd5 52. Nd1 Ke4 53. Nb2 Ne3 54. Ke2 Nd5 55. Nd1 a6 56. Nf2+ Kf5 57. Nd1 Ke5 58. Kd2 Nf6 59. Ne3 Ne4+ 60. Ke1 Nxc3 61. Nxc4+ Kd4 62. Nd6 Ne4 63. Nf5+ Ke5 |
| ECO C41 in 1992 play it! castro rojas osc defeats white's henao raul in 90 moves | 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 Qc7 9. b3 h6 10. Bb2 Re8 11. Nh4 Nf8 12. dxe5 dxe5 13. Qf3 g6 14. Nd1 Be6 15. Ne3 N6d7 16. Qg3 Bg5 17. Bxe6 Nxe6 18. Nf3 Bf4 19. Qh3 Rad8 20. g3 Ng5 21. Qg2 Bxe3 22. Rxe3 Nc5 23. Nxg5 hxg5 24. f4 exf4 25. gxf4 Qxf4 26. Rh3 f6 27. Rf1 Rd2 28. Rxf4 Rxg2+ 29. Kxg2 gxf4 30. Bxf6 Rxe4 31. Kf1 Kf7 32. Bc3 Ke6 33. Rh7 a6 34. Be1 b5 35. a5 Nd7 36. Rh8 Ne5 37. Ra8 Nf3 38. Bf2 Nxh2+ 39. Kg2 Ng4 40. Rxa6 Re2 41. Kf3 Rxf2+ 42. Kxg4 Rxc2 43. Kxf4 Kd5 44. Ra8 Kc5 45. Ke4 Rc3 |
| ECO C78 in 1990 play it! castro rojas osc defeats white's restrepo luis in 80 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 O-O 9. d4 Bb6 10. Bg5 h6 11. Bh4 d6 12. Qd3 Qe7 13. Nbd2 Na5 14. Bc2 c5 15. d5 c4 16. Qe2 Bc8 17. Nf1 Bd7 18. h3 Nb7 19. g4 g5 20. Bg3 Nc5 21. N3d2 h5 22. Ne3 hxg4 23. hxg4 Nd3 24. Bxd3 cxd3 25. Qd1 Bxe3 26. Rxe3 Nxg4 27. Rxd3 f5 28. f3 Nf6 29. Bf2 f4 30. Kf1 g4 31. Ke2 Qh7 32. Qg1 Kf7 33. Qh1 gxf3+ 34. Nxf3 Qxe4+ 35. Kd2 Qf5 36. Re1 Rh8 37. Bh4 Rag8 38. Qf1 Ne4+ 39. Kc1 Rg4 40. Bf2 Nxf2 |
| ECO C69 in 1986 play it! castro rojas osc defeats white's gutierrez jose a in 92 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Be6 10. Bf4 c4 11. Nd4 O-O-O 12. Nc3 Bf7 13. Nf5 Re8 14. Bg3 h5 15. h3 Ne7 16. Nxe7+ Bxe7 17. f3 h4 18. Bh2 Rh5 19. Kf1 Bb4 20. Ne2 Rd8 21. Rxd8+ Kxd8 22. Rd1+ Kc8 23. a3 Bf8 24. Nc3 b5 25. Bf4 a5 26. a4 c6 27. Ra1 b4 28. Ne2 Bc5 29. Rd1 Rh8 30. Ke1 Re8 31. Nd4 Bg6 32. Kf1 Rd8 33. c3 Be8 34. Rd2 Bxd4 35. cxd4 Kb7 36. Be3 c5 37. d5 Kb6 38. Ke1 Bxa4 39. d6 Bc6 40. Kf2 a4 41. Rd1 Kb5 42. Bf4 Rd7 43. e5 fxe5 44. Bxe5 c3 45. bxc3 b3 46. Ke3 Kc4 |
| ECO C41 in 1999 play it! castro rojas osc defeats white's marquez alberto in 56 moves | 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. c4 Ngf6 5. Nc3 g6 6. d5 Bg7 7. Be2 O-O 8. h3 a5 9. Be3 Nc5 10. Nd2 Ne8 11. g4 f5 12. gxf5 gxf5 13. exf5 Bxf5 14. Bxc5 dxc5 15. h4 Nd6 16. Bg4 Bd3 17. Be6+ Kh8 18. Qb3 e4 19. Nb5 a4 20. Qa3 Qf6 21. O-O-O Qxf2 22. Nxd6 cxd6 23. h5 Qd4 24. h6 Be5 25. Nxe4 Qxc4+ 26. Nc3 Rf2 27. Rdg1 Bc2 28. Nd1 Bxd1+ |
| ECO C41 in 1978 play it! castro rojas osc defeats white's eslon jaan in 79 moves | 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 d5 8. e5 Ne4 9. Nxe4 dxe4 10. e6 fxe6 11. Bc4 Qf6 12. c3 O-O 13. Qc2 Qe5 14. Qb3 Re8 15. Qb5 Nd7 16. O-O-O a6 17. Qb3 Nf6 18. Rhe1 b5 19. Bf1 c5 20. Ne2 Bb7 21. h3 g5 22. Qc2 Rac8 23. Qd2 h6 24. Qd6 Nd5 25. Bxc5 Nxc3 26. Qxe5 Bxe5 27. Nxc3 Rxc5 28. Kd2 b4 29. Nxe4 Rd8+ 30. Ke3 Bf4+ 31. Kf3 Bd2 32. Kg3 Bxe4 33. Rxd2 Rxd2 34. Rxe4 a5 35. b3 e5 36. h4 Kg7 37. hxg5 hxg5 38. Bc4 Rxa2 39. f3 Rd2 40. Be6 |
| ECO C44 in 1985 play it! castro rojas osc defeats white's sanchez fernando in 66 moves | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 d6 6. Nxc3 Be6 7. Bxe6 fxe6 8. Qb3 Qc8 9. Ng5 Nd8 10. f4 Be7 11. Nf3 Nf6 12. Bd2 O-O 13. O-O-O c6 14. h3 b5 15. g4 a5 16. e5 Nd5 17. Ne4 dxe5 18. fxe5 c5 19. Rhf1 c4 20. Qc2 Nf7 21. Nfg5 Bxg5 22. Nxg5 Nxg5 23. Bxg5 c3 24. bxc3 Qc4 25. Rxf8+ Rxf8 26. Kb2 Qc5 27. Qd3 a4 28. Qd4 Rf2+ 29. Rd2 Qxd4 30. cxd4 Rf3 31. h4 h6 32. Bd8 Rf8 33. Ba5 Ra8 |
| ECO C98 in 1972 play it! castro rojas osc defeats white's lins frank rober in 42 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. Nf1 cxd4 14. cxd4 exd4 15. Bb3 Qb6 16. Bd5 Nxd5 17. exd5 Ne5 18. Nxd4 Bf6 19. b3 Qxd4 20. Qxd4 Nf3+ 21. gxf3 Bxd4 |
| ECO C75 in 1990 play it! castro rojas osc defeats white's arango s in 60 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nge7 7. d4 Ng6 8. Nbd2 Be7 9. Re1 h6 10. Nf1 Bg5 11. d5 Nb8 12. Bxd7+ Nxd7 13. Ng3 Bxc1 14. Rxc1 Nf4 15. Nf5 g6 16. N5h4 Qf6 17. b4 a5 18. a3 O-O 19. Re3 Kh7 20. Qf1 Qe7 21. g3 Nh5 22. h3 Ng7 23. g4 c5 24. Kh1 axb4 25. axb4 cxb4 26. cxb4 Rac8 27. Kg1 g5 28. Nf5 Nxf5 29. gxf5 Rg8 30. f6 Qxf6 |
| ECO C78 in 1991 play it! castro rojas osc defeats white's rodriguez cesar in 57 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Qe2 Bc5 8. c3 O-O 9. Rd1 Re8 10. d3 h6 11. Nbd2 Bf8 12. Nf1 Na5 13. Bc2 c5 14. Ne3 g6 15. h3 d5 16. exd5 Nxd5 17. Ng4 h5 18. Nh6+ Bxh6 19. Bxh6 Nf4 20. Qe3 Qf6 21. Bxf4 exf4 22. Qxc5 Bxf3 23. gxf3 Re5 24. Qd4 Rd8 25. Qa7 Qh4 26. Re1 Rg5+ 27. Kf1 Qxh3+ 28. Ke2 Re5+ 29. Kd2 |
| ECO C97 in 1972 play it! castro rojas osc defeats white's sigurjonsson gud in 48 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bb7 13. Nf1 cxd4 14. cxd4 Rac8 15. Re2 exd4 16. Nxd4 d5 17. e5 Ne4 18. f3 Qxe5 19. fxe4 Bc5 20. Be3 Nc4 21. Nf3 Nxe3 22. Nxe3 Qf4 23. Nd4 dxe4 24. Ndf5 Qxf5 |