| ECO A05 in 1971 play it! quinteros miguel defeats black's arraya jorge in 51 moves | 1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. g3 e5 5. Nc3 Be7 6. e4 c6 7. Bg2 O-O 8. O-O Re8 9. h3 Rb8 10. a3 b5 11. cxb5 cxb5 12. Re1 Bf8 13. d5 b4 14. axb4 Rxb4 15. Rxa7 Qb6 16. Be3 Nc5 17. Ra2 Bd7 18. Nd2 Rb8 19. Bf1 Qc7 20. Qb1 Qc8 21. Kh2 Be8 22. Rc1 Nfd7 23. Na4 Nxa4 24. Rxc8 Rxc8 25. Qa1 Nac5 26. Ra8 |
| ECO A05 in 1970 play it! quinteros miguel defeats black's oegaard leif nor in 65 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Qc2 Nbd7 8. Nbd2 b5 9. c5 Qc7 10. e4 e5 11. exd5 Nxd5 12. Re1 exd4 13. Nxd4 Bxc5 14. N2b3 Qb6 15. Nxc5 Nxc5 16. Nxc6 Qxc6 17. Be3 Be6 18. Bxc5 Rac8 19. Rac1 Rfd8 20. Qd2 Qa6 21. a3 Nb6 22. Qf4 Nc4 23. Bd4 Qd6 24. Qxd6 Rxd6 25. Bxa7 Rcd8 26. Bc5 Rd2 27. b3 Nb2 28. Bb4 R2d3 29. Bc3 Nd1 30. Ba5 Bxb3 31. Bf1 R3d6 32. Bxd8 Rxd8 33. Be2 |
| ECO A05 in 1973 play it! quinteros miguel defeats black's barle janez in 55 moves | 1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. d4 d5 5. Bg2 O-O 6. O-O dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 a5 10. Bb2 Bd5 11. Rc1 Ra6 12. a3 Nd7 13. Qd3 Bh6 14. e4 Bxc4 15. bxc4 Bxc1 16. Rxc1 f6 17. c5 Kh8 18. Qb3 Qc8 19. Bf1 a4 20. Qe3 Ra5 21. d5 Ncb8 22. e5 c6 23. e6 cxd5 24. exd7 Qxd7 25. Qh6 Kg8 26. Bh3 e6 27. Ng5 Ra6 28. c6 |
| ECO A05 in 1975 play it! quinteros miguel defeats black's canepa rolando in 75 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d3 O-O 7. e4 d6 8. Nc3 c5 9. Re1 Nc6 10. d4 cxd4 11. Nxd4 Nxd4 12. Qxd4 Qc8 13. b3 Bc6 14. Ba3 Qb7 15. Qe3 Rfd8 16. Nd5 Bxd5 17. cxd5 e5 18. Bh3 Nd7 19. Rac1 Rac8 20. Qe2 Kf8 21. Qh5 Kg8 22. Qe2 Kf8 23. f4 Rxc1 24. Rxc1 Nc5 25. Bb2 Bf6 26. b4 Na4 27. fxe5 dxe5 28. Ba1 b5 29. Rc6 h6 30. Kg2 a6 31. Qf2 Qe7 32. a3 a5 33. Qf1 axb4 34. Qxb5 Ra8 35. Qxb4 Qxb4 36. axb4 Ke7 37. d6+ Ke8 38. d7+ |
| ECO A05 in 1972 play it! quinteros miguel defeats black's minev nikolay n in 85 moves | 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O d6 5. d3 e6 6. e4 Be7 7. Ne1 O-O 8. e5 Bxg2 9. exf6 Bxf1 10. fxe7 Qxe7 11. Kxf1 Nd7 12. Qe2 c6 13. Nf3 Nb6 14. Qe4 d5 15. Qe2 c5 16. d4 cxd4 17. Nxd4 a6 18. Nd2 Rac8 19. N2f3 Rfe8 20. c3 Na4 21. Be3 f6 22. Nb3 e5 23. Rd1 Qe6 24. Rd2 Red8 25. Ng1 Qf7 26. f4 Qg6 27. fxe5 fxe5 28. Bf2 Qb1+ 29. Kg2 Re8 30. Rxd5 Qxb2 31. Qxb2 Nxb2 32. Nc5 Rcd8 33. Rxd8 Rxd8 34. Nxa6 Rd2 35. Nf3 Rc2 36. Nb4 Re2 37. Kf1 Re4 38. h3 Rc4 39. Be1 Na4 40. Nxe5 Rc8 41. Nbc6 Re8 42. Ke2 Nb6 43. Kd3 |
| ECO A04 in 1972 play it! quinteros miguel defeats black's gamarra caceres in 67 moves | 1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 cxd6 11. e4 h6 12. a4 f5 13. exf5 gxf5 14. Nd2 Ng6 15. Nc4 Rf7 16. a5 Bf8 17. Be3 f4 18. Bd2 Nf6 19. Ne4 Bf5 20. Re1 Ng4 21. Bb4 fxg3 22. hxg3 Bxe4 23. Bxe4 Qg5 24. Bf3 Nxf2 25. Kxf2 Nh4 26. gxh4 Qxh4+ 27. Ke3 Qxc4 28. Bh5 Qf4+ 29. Kd3 Qd4+ 30. Kc2 Rf2+ 31. Re2 Rxe2+ 32. Qxe2 Qxb4 33. Rg1+ Bg7 34. Kb1 |
| ECO A04 in 1975 play it! quinteros miguel defeats black's grefe john a in 59 moves | 1. Nf3 d6 2. d4 Nf6 3. g3 Nbd7 4. c4 e5 5. Nc3 c6 6. e4 Be7 7. Bg2 O-O 8. O-O Qc7 9. Be3 Re8 10. h3 Bf8 11. Re1 a6 12. Rc1 b5 13. cxb5 axb5 14. a3 Qb8 15. Qb3 exd4 16. Nxd4 Ra6 17. Na2 Nc5 18. Qc2 Ncxe4 19. Nxc6 Qc7 20. Nab4 Ra4 21. Bd4 d5 22. Nxd5 Nxd5 23. Bxe4 Rxe4 24. Qxe4 Be6 25. Nb4 Qd7 26. Bc5 Nf6 27. Qc6 Bxh3 28. Bxf8 Kxf8 29. Qc5+ Kg8 30. Rcd1 |
| ECO A05 in 1978 play it! quinteros miguel defeats black's garcia palermo c in 63 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O d5 5. d3 Nbd7 6. b3 e6 7. Bb2 Be7 8. c4 O-O 9. Nc3 c5 10. e3 Rc8 11. Qe2 dxc4 12. bxc4 Qc7 13. Ne1 a6 14. f4 Bxg2 15. Nxg2 Qc6 16. a4 Ne8 17. f5 Nc7 18. Nf4 Rce8 19. fxe6 Nxe6 20. Ncd5 Nxf4 21. gxf4 Bf6 22. e4 Bxb2 23. Qxb2 f5 24. Qg2 fxe4 25. dxe4 Kh8 26. Ra3 Rb8 27. Rh3 Qe6 28. f5 Qf7 29. Rf4 Rfe8 30. Rxh7+ Kxh7 31. Rh4+ Kg8 32. Qh3 |
| ECO A05 in 1979 play it! quinteros miguel defeats black's barle janez in 79 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O g6 5. d3 d5 6. c4 dxc4 7. dxc4 Nbd7 8. Nc3 Bg7 9. Qc2 O-O 10. Rd1 e6 11. Bf4 Qc8 12. e4 Re8 13. h3 Nc5 14. e5 Nfe4 15. b4 Nxc3 16. Qxc3 Ne4 17. Qe3 f6 18. exf6 Nxf6 19. Be5 a6 20. a4 Bc6 21. b5 axb5 22. axb5 Rxa1 23. Rxa1 Bb7 24. Nd4 Bxg2 25. Kxg2 Nd7 26. Bxg7 Kxg7 27. Ra7 Kg8 28. Nc6 e5 29. Qg5 Kg7 30. Qd2 Re6 31. h4 Re8 32. h5 gxh5 33. Qg5+ Kh8 34. Qxh5 Re6 35. Qg4 Re8 36. Qf3 e4 37. Qc3+ Kg8 38. Qd4 Re6 39. Qd5 Nf6 40. Ne7+ |
| ECO A05 in 1973 play it! quinteros miguel defeats black's tukmakov v in 79 moves | 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O a6 8. h3 Rb8 9. e4 b5 10. cxb5 axb5 11. Be3 b4 12. Ne2 e5 13. dxe5 dxe5 14. Qc2 Bb7 15. Rfd1 Qc8 16. Nd2 Re8 17. Nb3 Ba8 18. Nc5 Bf8 19. Nc1 Bd6 20. N1b3 Nd7 21. Rd2 Nxc5 22. Nxc5 Nd8 23. Bf1 Bc6 24. Kh2 Ra8 25. Bc4 Nb7 26. Nb3 Bd7 27. h4 Be6 28. Bxe6 Qxe6 29. Qc6 Na5 30. Nxa5 Rxa5 31. a4 bxa3 32. bxa3 Rea8 33. a4 R5a6 34. Qb7 Kg7 35. Rd5 Rxa4 36. Qxa8 Rxa8 37. Rxa8 Qg4 38. Ra4 f5 39. Ra7 Kf6 40. Rxd6+ |
| ECO A05 in 1977 play it! quinteros miguel defeats black's nikolin dusan in 65 moves | 1. Nf3 Nf6 2. g3 g6 3. d4 Bg7 4. c4 c6 5. Bg2 d5 6. Qa4 O-O 7. O-O Ne4 8. Nc3 Nxc3 9. bxc3 Nd7 10. cxd5 cxd5 11. Qb3 Nb6 12. Ne5 f6 13. Nd3 Kh8 14. Nf4 e6 15. e4 g5 16. Nh5 Bh6 17. f4 Bd7 18. fxg5 Ba4 19. Qb2 fxg5 20. e5 Rxf1+ 21. Bxf1 Bf8 22. Nf6 h6 23. Qg2 Qc7 24. Qf3 Rc8 25. Bd2 Qf7 26. Bh3 Nc4 27. Bxg5 Bc2 28. Bf4 Bg7 29. Nxd5 Bg6 30. Qe2 b5 31. Rf1 Qe8 32. Nf6 Qe7 33. Bc1 |
| ECO A05 in 1974 play it! quinteros miguel defeats black's makropoulos geor in 81 moves | 1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. g3 e5 5. Bg2 c6 6. O-O Be7 7. Nc3 Qc7 8. e4 Nf8 9. h3 Ng6 10. Be3 h5 11. Ne1 h4 12. g4 Nf4 13. Bxf4 exf4 14. Nd3 g5 15. e5 dxe5 16. dxe5 Nd7 17. Re1 Rh6 18. Rc1 Kf8 19. b4 Re6 20. Bd5 Rh6 21. Be4 Nxe5 22. Nxe5 Qxe5 23. Bxc6 Qd6 24. Bd5 Be6 25. c5 Qd7 26. Qf3 Bxd5 27. Nxd5 Re8 28. Nxe7 Rxe7 29. Rxe7 Qxe7 30. b5 Re6 31. Kg2 Qc7 32. c6 bxc6 33. bxc6 f6 34. a4 a5 35. Rc4 Kg7 36. Qc3 Kh6 37. Rc5 Rd6 38. Qc4 Kg6 39. Qb3 Qe7 40. c7 Rd4 41. c8=Q |
| ECO A04 in 1972 play it! quinteros miguel defeats black's silva nazzari ro in 66 moves | 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. d3 e6 6. e4 Nge7 7. Re1 O-O 8. c3 d6 9. d4 cxd4 10. cxd4 Qb6 11. d5 Nd4 12. Nc3 exd5 13. exd5 Nef5 14. Nxd4 Bxd4 15. Ne4 h5 16. Bg5 f6 17. Bf4 Bd7 18. Qd2 Be5 19. Bxe5 dxe5 20. Kh1 Kg7 21. b4 a5 22. Rab1 axb4 23. Rxb4 Qa7 24. Reb1 Qxa2 25. Rxb7 Rf7 26. Qe1 Qa5 27. Qc1 Rc8 28. Qb2 Be8 29. d6 Bc6 30. Rxf7+ Kxf7 31. Qb3+ Kg7 32. Qe6 Bxe4 33. Bxe4 Qa7 |
| ECO A05 in 1976 play it! quinteros miguel defeats black's diaz augusto cub in 81 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. c4 c5 6. O-O d6 7. Nc3 Nc6 8. d5 Na5 9. Nd2 e5 10. e4 b6 11. b3 Nb7 12. Bb2 Bd7 13. Qc2 h5 14. Nf3 Nh7 15. Rae1 a6 16. Nd2 Ng5 17. Nd1 h4 18. f4 Nh3+ 19. Bxh3 Bxh3 20. Rf2 hxg3 21. hxg3 exf4 22. Rxf4 Qg5 23. Kh2 Bd7 24. Kg2 Bxb2 25. Nf3 Qe7 26. Qxb2 f6 27. Rh1 Qg7 28. Rfh4 Rae8 29. Ng5 fxg5 30. Rh8+ Kf7 31. R8h7 Re5 32. Rxg7+ Kxg7 33. Nf2 Rf6 34. Nd3 Re7 35. Rh7+ Kxh7 36. Qxf6 Rg7 37. e5 Bf5 38. Nf2 dxe5 39. Qxb6 a5 40. g4 Bb1 41. Nh3 |
| ECO A04 in 1979 play it! quinteros miguel defeats black's fedorowisc john in 115 moves | 1. Nf3 c5 2. c4 b6 3. Nc3 Bb7 4. e4 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Bd3 g6 8. Be3 Bg7 9. f3 O-O 10. Qd2 Nbd7 11. O-O a6 12. Rac1 e6 13. Rfd1 Re8 14. Bg5 Qb8 15. Bf1 Bf8 16. Kh1 Be7 17. Nc2 Ra7 18. Re1 Ba8 19. Rcd1 Rc7 20. Rc1 Rcc8 21. Red1 Bb7 22. Be3 Ba8 23. Nd4 Ne5 24. b3 Bb7 25. Re1 Ned7 26. Bg5 Rc5 27. Be3 Rcc8 28. Bd3 Ne5 29. Bb1 Bf8 30. Bg5 Ned7 31. Bd3 Be7 32. Rc2 Rc5 33. Be3 Rcc8 34. Bf1 Bf8 35. Rcc1 Be7 36. Red1 Bf8 37. Qf2 Be7 38. Rc2 Bf8 39. Bc1 Rc5 40. Ba3 Rh5 41. h3 Ra5 42. Bb4 Re5 43. Rcd2 Nc5 44. Nc2 d5 45. cxd5 exd5 46. exd5 Rf5 47. Rd4 Bd6 48. Re1 Rd8 49. Qd2 Be5 50. Ne3 Rh5 51. Ng4 Nxg4 52. fxg4 Bxd4 53. Qxd4 Bxd5 54. Qe3 Rh4 55. Nxd5 Rxd5 56. Bc4 Rd7 57. Bc3 Ne6 58. Qf2 |
| ECO A05 in 1986 play it! quinteros miguel defeats black's morovic fernande in 61 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 Be7 5. d4 O-O 6. Qc2 c5 7. cxd5 cxd4 8. Nxd4 Nxd5 9. O-O Bf6 10. Rd1 Qb6 11. e3 Na6 12. Nc3 Nab4 13. Qb3 Bd7 14. Bd2 Rac8 15. a3 Nxc3 16. Bxc3 Nd5 17. Bxd5 exd5 18. Qxd5 Bg4 19. f3 Rc5 20. Qe4 Bh5 21. Qd3 Rd8 22. Qe2 Re8 23. Qf2 Bg5 24. e4 Bf6 25. Rd3 Rcc8 26. Rad1 Rcd8 27. Nf5 Bxf3 28. Bxf6 Rxd3 29. Rxd3 Qxf2+ 30. Kxf2 Bxe4 31. Nxg7 |
| ECO A05 in 1977 play it! quinteros miguel defeats black's bronstein luis m in 62 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. d4 d5 6. cxd5 Nxd5 7. O-O Nc6 8. Nc3 Nb6 9. e3 e5 10. d5 Na5 11. e4 c6 12. Bg5 f6 13. Be3 cxd5 14. Bxb6 axb6 15. Qxd5+ Kh8 16. Rfd1 Qe7 17. Qb5 Qc5 18. Rd5 Qxb5 19. Rxb5 Bd7 20. Rxb6 Bc6 21. Bf1 f5 22. Ng5 Rf6 23. Re1 h6 24. Nf3 fxe4 25. Nd2 Rd8 26. Ndxe4 Bxe4 27. Rxf6 Bxf6 28. Nxe4 Be7 29. Nc3 Nc6 30. Bg2 Nb4 31. Rxe5 Bf6 |
| ECO A05 in 1990 play it! quinteros miguel defeats black's panno oscar arg in 75 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. Qc2 c5 7. cxd5 Nxd5 8. a3 b6 9. d4 Nd7 10. e4 N5f6 11. Ng5 g6 12. d5 exd5 13. exd5 Ba6 14. Rd1 Bd6 15. Nc3 Re8 16. Qa4 Bb7 17. Nb5 Bb8 18. Qh4 a6 19. Nc3 Be5 20. Bf4 Bxf4 21. Qxf4 Qb8 22. Qd2 b5 23. Re1 Re5 24. b4 cxb4 25. axb4 Nb6 26. Qd4 Nc4 27. f4 Rxe1+ 28. Rxe1 Qd6 29. Qc5 Rc8 30. Nge4 Nxe4 31. Nxe4 Rxc5 32. Nxd6 Rc7 33. Ne8 Rc8 34. d6 Bxg2 35. Kxg2 Kf8 36. d7 Rd8 37. Nf6 Nb6 38. Re8+ |
| ECO A05 in 1975 play it! quinteros miguel defeats black's durao joaquim in 79 moves | 1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. d4 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7 9. e4 Ne8 10. Ng5 h6 11. Nh3 f5 12. f4 Nf6 13. exf5 gxf5 14. b3 Ng4 15. Qd2 c6 16. fxe5 Bxe5 17. Bb2 Ng6 18. Nf4 Nxf4 19. gxf4 Bg7 20. h3 Nf6 21. Bf3 c5 22. Kh1 Bd7 23. Rg1 Qe7 24. Rg3 Rf7 25. Re1 Qf8 26. Reg1 Kh7 27. Qd3 Re8 28. Nd1 Ree7 29. Kh2 Ne8 30. Bh5 Bxb2 31. Bxf7 Bd4 32. Bg6+ Kh8 33. R1g2 Ng7 34. Ne3 Qf6 35. Nc2 Bb2 36. Re2 Rxe2+ 37. Qxe2 Qh4 38. Ne1 Bd4 39. Nf3 Qxf4 40. Qe7 |
| ECO A07 in 1972 play it! quinteros miguel defeats black's spiridonov nikol in 81 moves | 1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. O-O Bf5 5. d3 h6 6. Nbd2 e6 7. Qe1 Bh7 8. e4 Be7 9. b3 O-O 10. Bb2 a5 11. a4 Na6 12. Qe2 Nb4 13. Ne1 Qb6 14. Kh1 Rfd8 15. e5 Nd7 16. f4 Qa6 17. g4 Re8 18. Qf2 Bf8 19. Qg3 c5 20. f5 Qb6 21. f6 gxf6 22. exf6 Qd6 23. Qh3 e5 24. Qh4 e4 25. dxe4 dxe4 26. Nc4 Qc6 27. Rd1 Nd5 28. g5 Bg6 29. Qg3 N5b6 30. Ne3 c4 31. Nf5 c3 32. Bxc3 Nd5 33. Bb2 h5 34. c4 N5b6 35. Nh4 Kh7 36. Nc2 Qc5 37. Rfe1 Ne5 38. Nxg6 fxg6 39. Rxe4 Nf7 40. Bd4 Qf5 41. Ne3 |