| ECO A05 in 2001 play it! perez cascella j defeats black's mendez cristian in 79 moves | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Rd1 Nb6 10. Qd3 Nc6 11. Be2 Bxf3 12. gxf3 e5 13. dxe5 Nxe5 14. Qxd8 Rfxd8 15. f4 Nec4 16. Bc1 Rxd1+ 17. Kxd1 Rd8+ 18. Kc2 c6 19. e5 Na5 20. b4 Nac4 21. Rd1 Rxd1 22. Nxd1 a5 23. bxa5 Nxa5 24. Ne3 Nd5 25. Nxd5 cxd5 26. Bf3 Nc6 27. Kd3 Ne7 28. Ba3 Bf8 29. Bd6 Nc8 30. Bxf8 Kxf8 31. Bxd5 b6 32. Kd4 Ke7 33. h4 h6 34. a4 Na7 35. Bf3 f6 36. Kd5 fxe5 37. fxe5 g5 38. h5 b5 39. a5 b4 40. Bd1 |
| ECO A04 in 2005 play it! perez cascella j defeats black's real de azua e a in 58 moves | 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8. d3 Be7 9. Nd2 Bd7 10. Nc4 f6 11. f4 b5 12. Ne3 Rb8 13. fxe5 Nxe5 14. Nf5 O-O 15. Ne4 Ne6 16. Bd2 Nd4 17. Nxe7+ Qxe7 18. h3 Rfd8 19. Rc1 c4 20. Ba5 f5 21. Bxd8 Rxd8 22. Nc3 Be6 23. e3 Ndc6 24. d4 Qg5 25. Qe2 Nd3 26. Bxc6 Qxg3+ 27. Bg2 b4 28. Na4 Bd5 29. Rcd1 Re8 |
| ECO A07 in 2005 play it! perez cascella j defeats black's amura claudia n in 107 moves | 1. Nf3 d5 2. g3 Bf5 3. Bg2 e6 4. O-O h6 5. c4 c6 6. b3 Nf6 7. Bb2 Nbd7 8. d3 Be7 9. Nbd2 O-O 10. Qc2 Bh7 11. a3 a5 12. Bc3 b5 13. cxb5 cxb5 14. b4 a4 15. Qb2 Qb6 16. Bd4 Qa6 17. Ne5 Nxe5 18. Bxe5 Rfc8 19. Nf3 Ne8 20. Rac1 Bf6 21. Bxf6 Nxf6 22. Ne5 Qb6 23. g4 g5 24. h4 gxh4 25. g5 Ne8 26. Ng4 Bg6 27. Nxh6+ Kh7 28. Ng4 Qd8 29. f4 Rxc1 30. Rxc1 Rc8 31. Rc5 Rxc5 32. bxc5 Qa5 33. Ne3 Qe1+ 34. Nf1 Nc7 35. Bh3 Bh5 36. Qf6 b4 37. axb4 a3 38. Qh6+ Kg8 39. f5 a2 40. g6 Bxg6 41. fxg6 fxg6 42. Qxg6+ Kf8 43. Qf6+ Ke8 44. Bxe6 Nxe6 45. Qxe6+ Kf8 46. Qf5+ Kg7 47. Qg5+ Kh7 48. Qe7+ Kg6 49. Qe6+ Kg7 50. Qd7+ Kf6 51. Qc6+ Ke7 52. Qb7+ Ke6 53. Qa6+ Ke5 54. Qd6+ |
| ECO A04 in 1995 play it! perez cascella j defeats black's gil ramon in 54 moves | 1. Nf3 f5 2. g3 g6 3. Bg2 Nf6 4. O-O Bg7 5. c4 d6 6. d4 O-O 7. Nc3 Qe8 8. d5 c6 9. e4 Nxe4 10. Nxe4 fxe4 11. Ng5 e3 12. Bxe3 Bxb2 13. Rb1 Bg7 14. Bh3 Bxh3 15. Nxh3 Qc8 16. Nf4 Bf6 17. Ne6 Rf7 18. Qe2 Na6 19. Rfc1 Nc7 20. Bh6 Be5 21. f4 Nxe6 22. dxe6 Bd4+ 23. Kh1 Rf6 24. Qe4 Bb6 25. Re1 Qd8 26. Rbd1 Rf5 27. Re2 Qc7 |
| ECO A05 in 2002 play it! perez cascella j defeats black's sarquis maria be in 85 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nbd7 7. O-O e5 8. Re1 Re8 9. Bf1 c6 10. Rb1 Qc7 11. d5 a5 12. a3 Nh5 13. g3 Nf8 14. Nd2 Bh6 15. Be2 Ng7 16. Nf1 Bxc1 17. Rxc1 f5 18. b4 axb4 19. axb4 Nd7 20. Qd2 Nf6 21. Red1 Rd8 22. h3 Nxe4 23. Nxe4 fxe4 24. g4 Qe7 25. Ng3 Qh4 26. Bf1 Ra3 27. Rc3 Rxc3 28. Qxc3 h5 29. dxc6 bxc6 30. c5 d5 31. Qxe5 hxg4 32. Ra1 gxh3 33. Ra7 h2+ 34. Kh1 Bd7 35. b5 Ne6 36. bxc6 Bc8 37. Ba6 Qg5 38. Qxg5 Nxg5 39. Ra8 Ne6 40. Rxc8 Rxc8 41. Bxc8 Nc7 42. Kxh2 Kf7 43. Kh3 |
| ECO A05 in 2002 play it! perez cascella j defeats black's szmukler ruben in 103 moves | 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 O-O 9. Qh4 Qc8 10. Be3 d6 11. h3 Nbd7 12. Rac1 Re8 13. Rfd1 Qd8 14. b3 a6 15. Bh6 Rb8 16. Bxg7 Kxg7 17. e4 b5 18. cxb5 axb5 19. e5 dxe5 20. Nxe5 Bxg2 21. Nxd7 Nxd7 22. Kxg2 Qb6 23. Nd5 Qd8 24. Qd4+ Nf6 25. Nxf6 exf6 26. Qxd8 Rexd8 27. Rxd8 Rxd8 28. a4 bxa4 29. bxa4 Ra8 30. Ra1 Ra5 31. Kf3 Kf8 32. Ke4 Ke7 33. Kd4 Kd6 34. Kc4 Kc6 35. Kb4 Kb6 36. Rd1 Rf5 37. f4 g5 38. Rd6+ Kc7 39. Rd4 h5 40. g4 hxg4 41. hxg4 Rxf4 42. Rxf4 gxf4 43. Kc4 f3 44. Kd3 f2 45. Ke2 f1=Q+ 46. Kxf1 Kb6 47. Kf2 Ka5 48. Kf3 Kxa4 49. Kf4 Kb5 50. Kf5 Kc5 51. Kxf6 Kd5 52. Kxf7 |
| ECO A04 in 1995 play it! perez cascella j defeats black's gil ramon in 54 moves | 1. Nf3 f5 2. g3 g6 3. Bg2 Nf6 4. O-O Bg7 5. c4 d6 6. d4 O-O 7. Nc3 Qe8 8. d5 c6 9. e4 Nxe4 10. Nxe4 fxe4 11. Ng5 e3 12. Bxe3 Bxb2 13. Rb1 Bg7 14. Bh3 Bxh3 15. Nxh3 Qc8 16. Nf4 Bf6 17. Ne6 Rf7 18. Qg4 Na6 19. Bh6 Nc7 20. Qf3 Be5 21. Qf4 Nxe6 22. Rfd1 Bc3 23. Kg2 Ng5 24. Qf3 Qg4 25. Rxb7 Bb4 26. Rb5 Rf4 27. Rf1 c5 |
| ECO A16 in 1968 play it! perez cascella j defeats black's massut gabriel in 99 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. O-O a6 10. e4 e6 11. Bg5 h6 12. Be3 b6 13. h3 Ne8 14. b4 Rb8 15. Qe2 f5 16. Bd2 exd5 17. Nxd5 c6 18. Nc3 f4 19. Be1 Be6 20. Rc1 Qd7 21. f3 Bxh3 22. g4 Bxg2 23. Kxg2 h5 24. gxh5 gxh5 25. Rh1 Qf7 26. b5 axb5 27. cxb5 c5 28. Nd5 Bf6 29. Kf1 Ng7 30. Qh2 Ra8 31. Qb2 Rfe8 32. Rc2 Re6 33. Rg2 Kh7 34. Rhg1 Rg8 35. a4 Ree8 36. Bc3 Qe6 37. Rg6 Qh3+ 38. Qg2 Qxg2+ 39. R1xg2 Bd8 40. Nxb6 Ne6 41. Rxg8 Rxg8 42. Rxg8 Kxg8 43. Nd5 c4 44. b6 Nc5 45. Bxe5 h4 46. Bxf4 c3 47. a5 c2 48. Nb4 Bf6 49. Nxc2 Bc3 50. b7 |
| ECO A16 in 2002 play it! perez cascella j defeats black's spinelli edgardo in 83 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5 11. f4 Nf6 12. exf5 gxf5 13. Be3 c6 14. Qb3 e4 15. Nf2 c5 16. Kh1 Rb8 17. h3 Ng6 18. g3 a6 19. a4 b6 20. Rg1 Nd7 21. Rad1 Nf6 22. Rg2 Bd7 23. Rdg1 Rf7 24. Qd1 b5 25. axb5 axb5 26. cxb5 Qa5 27. g4 Kf8 28. g5 Ne8 29. h4 Nxh4 30. Rh2 Ng6 31. Rxh7 Kg8 32. Rh3 Bxc3 33. bxc3 Qxc3 34. Rgg3 Bxb5 35. Rh6 Rg7 36. Bh5 Kf7 37. Bxg6+ Rxg6 38. Qh5 Qg7 39. Rh7 Bc4 40. Rxg7+ Nxg7 41. Qh7 Bf1 42. Ng4 |
| ECO A26 in 2005 play it! perez cascella j defeats black's zugic igor can in 65 moves | 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 f5 6. e3 Nf6 7. Nge2 d6 8. Rb1 a5 9. b3 O-O 10. a3 f4 11. exf4 Nh5 12. Nd5 Nd4 13. O-O Nxe2+ 14. Qxe2 c6 15. fxe5 cxd5 16. e6 Qe7 17. cxd5 b5 18. f4 Bb7 19. f5 Bd4+ 20. Kh1 Rae8 21. Qg4 Bg7 22. Bd2 Be5 23. Qh4 Qc7 24. Qh3 Nf6 25. Bg5 Qg7 26. Bh6 Qe7 27. Bxf8 Rxf8 28. Qh4 Qg7 29. fxg6 hxg6 30. Qg5 Kh7 31. d4 Bxd4 32. Qh4+ Nh5 33. Rxf8 |
| ECO A25 in 2002 play it! perez cascella j defeats black's selvetti alexis in 93 moves | 1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. e3 g6 6. Nge2 Bg7 7. d3 O-O 8. Rb1 Ne7 9. f4 d6 10. O-O c6 11. Bd2 Be6 12. b4 Re8 13. b5 Qc7 14. Qa4 e4 15. Nd4 Bd7 16. dxe4 c5 17. Nde2 fxe4 18. Qc2 Bf5 19. Rbd1 Rad8 20. Bc1 b6 21. h3 h5 22. Rd2 Qc8 23. Kh2 Qe6 24. Qb3 Kf7 25. Nd5 Nexd5 26. cxd5 Qd7 27. Bb2 Rh8 28. Bxf6 Bxf6 29. h4 Qe7 30. Ng1 Rde8 31. Nh3 Kg7 32. Qc4 Rhf8 33. a4 Rf7 34. Ra2 Qb7 35. Ng5 Rfe7 36. Bh3 Qc8 37. Bxf5 gxf5 38. a5 Rb7 39. axb6 axb6 40. Ra6 Ree7 41. Rf2 Qd7 42. Ne6+ Kf7 43. Qe2 Rxe6 44. Qxh5+ Kg7 45. dxe6 Qxe6 46. Ra8 Rf7 47. Qh8+ |
| ECO A34 in 1992 play it! perez cascella j defeats black's alurralde miguel in 67 moves | 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 e5 7. O-O Na6 8. d4 d6 9. dxe5 dxe5 10. Qb3 Rb8 11. Rd1 Qe7 12. Nb5 Be6 13. Nxa7 Rfd8 14. Bd2 e4 15. Ba5 Rxd1+ 16. Rxd1 Qe8 17. Nb5 b6 18. Bc3 Bg4 19. Rd2 Qe6 20. Nf4 Qe7 21. h3 Bf3 22. Bxf3 exf3 23. Nd5 Qe6 24. Nxf6+ Bxf6 25. Kh2 Rd8 26. Rxd8+ Bxd8 27. Qd1 Be7 28. Qxf3 Nb4 29. a3 Nd3 30. Nc7 Qd7 31. Nd5 Bd8 32. Qf6 Qxh3+ 33. Kxh3 Bxf6 34. Nxf6+ |
| ECO A10 in 2005 play it! perez cascella j defeats black's fierro baquero m in 55 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. d3 c5 6. e4 Nc6 7. Nge2 a6 8. f4 d6 9. O-O Rb8 10. h3 Ne8 11. g4 b5 12. Rb1 Nc7 13. f5 Ne5 14. b3 e6 15. Be3 Re8 16. Qd2 Qe7 17. Bg5 f6 18. Bf4 b4 19. Nd1 exf5 20. gxf5 gxf5 21. Ng3 fxe4 22. dxe4 Be6 23. Ne3 Ra8 24. Rbd1 Qd7 25. Nef5 Kh8 26. Qxd6 Qxd6 27. Nxd6 Rf8 28. Nb7 |
| ECO A01 in 1992 play it! perez cascella j defeats black's serafino dario in 77 moves | 1. b3 Nf6 2. Bb2 g6 3. c4 Bg7 4. Nf3 O-O 5. d4 d5 6. cxd5 Nxd5 7. e4 Nf6 8. Nbd2 c5 9. dxc5 Qa5 10. Qc2 Na6 11. Rc1 Bg4 12. a3 Bxf3 13. b4 Nxb4 14. axb4 Qxb4 15. gxf3 Rfd8 16. Qc3 Qa4 17. Rc2 Qd7 18. Be2 Nh5 19. Qe3 e5 20. Qb3 Nf4 21. h4 Rac8 22. Bb5 Qe7 23. h5 Nxh5 24. Bd3 Qf6 25. Nf1 a6 26. Bc4 Nf4 27. Ne3 Qg5 28. Nd5 Ne6 29. Qe3 Qg2 30. Rf1 Nd4 31. Rc1 Kh8 32. Be2 Ne6 33. f4 exf4 34. Bxg7+ Nxg7 35. Qxf4 Re8 36. Bf3 Qh3 37. Rh1 g5 38. Rxh3 gxf4 39. Nf6 |
| ECO A01 in 1992 play it! perez cascella j defeats black's de pauli manuel in 41 moves | 1. b3 d5 2. Bb2 Bf5 3. f4 e6 4. Nf3 Nf6 5. e3 Bc5 6. Be2 Qe7 7. O-O Nbd7 8. c4 c6 9. a3 h5 10. Nc3 a6 11. d4 Ba7 12. c5 Ng4 13. Qd2 Ndf6 14. Ng5 Ne4 15. Ngxe4 dxe4 16. Bxg4 hxg4 17. g3 Bg6 18. Na4 f5 19. Bc3 Kf7 20. Nb2 Rh3 21. Nc4 |
| ECO B43 in 1968 play it! perez cascella j defeats black's palermo vicente in 73 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O d6 8. f4 Be7 9. Be3 Nc6 10. Qe1 Bd7 11. Qg3 O-O 12. Rad1 Rfe8 13. Kh1 b5 14. e5 dxe5 15. fxe5 Nxe5 16. Bf4 Bd6 17. Ndxb5 axb5 18. Rxd6 Ng6 19. Rxd7 Qxd7 20. Bxb5 Qb7 21. Bxe8 Rxe8 22. Bc1 e5 23. a4 h5 24. b3 h4 25. Qd3 e4 26. Qb5 Qa8 27. Be3 Ng4 28. Qe2 Qc8 29. Nd5 f5 30. c4 Qb8 31. Bg1 Qxb3 32. Rxf5 Nh6 33. Rh5 Re6 34. Rxh6 gxh6 35. Qg4 Kf7 36. Qf5+ Kg7 37. Qxe6 |
| ECO B45 in 1965 play it! perez cascella j defeats black's bielicki c in 53 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf6 7. Be3 Bd7 8. O-O Be7 9. f4 O-O 10. Qe1 Nxd4 11. Bxd4 Bc6 12. Qg3 g6 13. Bd3 a6 14. Rad1 b5 15. a3 Qc7 16. f5 e5 17. Be3 Kh8 18. Qh3 Rg8 19. Bg5 Qd8 20. fxg6 fxg6 21. Qh4 Nd5 22. Rf7 Rg7 23. Bxe7 Nxe7 24. Qf6 Nf5 25. exf5 Qxf6 26. Rxf6 gxf5 27. Bf1 |
| ECO B33 in 1956 play it! perez cascella j defeats black's toran roman in 47 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 e6 7. Be3 Be7 8. Be2 O-O 9. O-O d5 10. e5 Nd7 11. Kh1 Nb6 12. Bd3 Nb4 13. Bxh7+ Kxh7 14. Qh5+ Kg8 15. Rf3 f5 16. Rh3 Qe8 17. Qh7+ Kf7 18. g4 Bd7 19. Nxf5 exf5 20. gxf5 Rg8 21. Bd4 Bc6 22. e6+ Kf8 23. Rg3 Bg5 24. Rxg5 |
| ECO A80 in 2001 play it! perez cascella j defeats black's dibenedetto guil in 89 moves | 1. d4 f5 2. Nc3 d5 3. Bg5 h6 4. Bf4 Nf6 5. Nf3 e6 6. Ne5 g5 7. Bd2 Bd6 8. h4 g4 9. g3 Bxe5 10. dxe5 Nfd7 11. Bf4 Nc6 12. Qd2 Ndxe5 13. Bxh6 Nf7 14. Bg7 Rh7 15. Bd4 b6 16. Bg2 Bd7 17. Be3 Nce5 18. b3 c5 19. O-O-O Qf6 20. Bg5 Qg7 21. Kb1 Bc6 22. a4 Rc8 23. Nb5 Bxb5 24. axb5 c4 25. f4 Nd7 26. Qe3 Nxg5 27. hxg5 Rxh1 28. Qxe6+ Qe7 29. Qxe7+ Kxe7 30. Bxh1 cxb3 31. cxb3 Rc3 32. Bxd5 Rxg3 33. Kc2 Nf8 34. Kd2 Kd6 35. Bb7 Kc7 36. Bd5 Kd6 37. Bf7 Ke7 38. Bc4 Ng6 39. e3 Rg2+ 40. Kd3 Nh4 41. Rh1 Nf3 42. Rh7+ Kd6 43. g6 Kc5 44. Kc3 Rd2 45. b4+ |