| ECO A17 in 1973 play it! portisch lajos defeats black's polugaevsky lev in 97 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O b4 10. Ne4 Nxe4 11. Bxe4 Be7 12. Nd2 O-O 13. b3 Rc8 14. Nc4 Nf6 15. Bf3 Nd5 16. a3 a5 17. Bd2 c5 18. dxc5 Bxc5 19. Nxa5 Ba6 20. axb4 Bxb4 21. Bxb4 Nxb4 22. Qxd8 Rfxd8 23. Rfd1 Rxd1+ 24. Rxd1 Kf8 25. h3 Rc5 26. Rd8+ Ke7 27. Rb8 Rb5 28. Rxb5 Bxb5 29. g3 Kd6 30. Nb7+ Kc7 31. Nc5 h6 32. Bg2 Na2 33. Bf1 Kc6 34. Bxb5+ Kxc5 35. Be8 f6 36. Bd7 e5 37. h4 e4 38. Kg2 Nc1 39. Be6 Nd3 40. h5 Ne1+ 41. Kh3 Kd6 42. Bf5 Ke5 43. g4 Nc2 44. Kg2 Kd5 45. Bh7 Nb4 46. Kf1 Nc6 47. Ke2 Nb4 48. Kd2 Na2 49. Bf5 |
| ECO A10 in 1965 play it! portisch lajos defeats black's uhlmann wolfgang in 73 moves | 1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7 11. Rc1 Na5 12. Bd3 c5 13. d5 c4 14. Bc2 Qd7 15. Nd4 e5 16. dxe6 fxe6 17. Qg4 Bc8 18. e5 Bxe5 19. Be4 Bb7 20. Bxb7 Nxb7 21. Rfd1 Qc8 22. h4 Bf6 23. Nf3 Rf7 24. Ng5 Re7 25. Ne4 Bg7 26. h5 gxh5 27. Nf6+ Kh8 28. Qh4 Rf7 29. Nxh5 Qc6 30. Rd4 Nd6 31. Rcd1 Nf5 32. Rd8+ Rf8 33. Qg5 h6 34. Rxf8+ Rxf8 35. Qg6 Rg8 36. Nxg7 Rxg7 37. Rd8+ |
| ECO A16 in 1964 play it! portisch lajos defeats black's jimenez e in 63 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. Be3 Nc6 8. d5 Ne7 9. Nd2 Ne8 10. c5 f5 11. f3 Nf6 12. Nc4 b6 13. cxd6 cxd6 14. a4 Ba6 15. Nd2 Bxe2 16. Qxe2 fxe4 17. fxe4 Qd7 18. O-O Ng4 19. Bg5 Bh6 20. Bxh6 Nxh6 21. Qb5 Qc7 22. Qb4 Rxf1+ 23. Rxf1 Rd8 24. Nb5 Qd7 25. Rc1 Rc8 26. Nc4 Nf7 27. Rf1 Rc5 28. h3 Kg7 29. Qc3 Kg8 30. b4 Rc8 31. Rxf7 Kxf7 32. Ncxd6+ |
| ECO A22 in 1982 play it! portisch lajos defeats black's kavalek lubomir in 139 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 d6 4. Bg2 Nbd7 5. Nf3 Be7 6. d4 O-O 7. O-O c6 8. Qc2 Qc7 9. b3 Re8 10. Bb2 a6 11. Rad1 Qb8 12. e3 Bf8 13. Nd2 Qc7 14. Rfe1 b6 15. d5 c5 16. f4 g6 17. Nf3 Bg7 18. h3 h5 19. Ng5 Nf8 20. Qf2 N6h7 21. Nf3 e4 22. Nh2 f5 23. g4 Qe7 24. gxh5 gxh5 25. Kh1 Kh8 26. Rg1 Nf6 27. Bf1 N8h7 28. Be2 Qf7 29. Rg2 Bd7 30. Rdg1 Rg8 31. Qh4 Bh6 32. Na4 Rxg2 33. Rxg2 Be8 34. Nxb6 Rb8 35. Nf1 Rxb6 36. Ng3 Qf8 37. Bxh5 Bg7 38. Nxf5 Bxh5 39. Rxg7 Bf3+ 40. Kg1 Qxg7+ 41. Nxg7 Kxg7 42. f5 Kf7 43. Qg3 Bh5 44. Bc3 Ne8 45. Kf1 a5 46. Ke1 Ra6 47. Qf4 Nhf6 48. Kd2 a4 49. b4 cxb4 50. Bxb4 Rb6 51. a3 Ra6 52. Qf1 Ra8 53. Qf4 Ra6 54. Qg3 Nd7 55. Bc3 Rb6 56. Qf4 Nef6 57. Bd4 Ra6 58. Ke1 Ke7 59. Qh2 Ra8 60. Qb2 Rb8 61. Bxf6+ Kf7 62. Qh2 Rb1+ 63. Kf2 Nxf6 64. Qxd6 Rb2+ 65. Kg3 Kg7 66. Kf4 Rb7 67. Kg5 Rf7 68. c5 Be2 69. c6 Ba6 70. Qe5 |
| ECO A17 in 1964 play it! portisch lajos defeats black's pachman ludek in 45 moves | 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f5 9. Qc2 Qa5 10. e4 fxe4 11. fxe4 Qxc3+ 12. Qxc3 Nxc3 13. Bd3 Nd7 14. Be3 Ne5 15. Bc2 Nc4 16. Bd2 Nxd2 17. Kxd2 Nb5 18. Nf3 Bd7 19. Bd3 O-O-O 20. Ke3 Nc7 21. Ne5 Rhf8 22. Rab1 Ne8 23. c6 |
| ECO A17 in 1973 play it! portisch lajos defeats black's est keres paul in 77 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Be7 7. O-O O-O 8. d4 Nc6 9. Nxd5 exd5 10. Be3 Bf6 11. dxc5 Bxb2 12. Rb1 Bf6 13. Ne1 d4 14. Bf4 Qa5 15. Nd3 Qxa2 16. Bd6 Re8 17. Nf4 Bf5 18. Rxb7 Be4 19. Bxe4 Rxe4 20. Qb1 Qxb1 21. Rfxb1 Ree8 22. Rc7 Rec8 23. Rbb7 Rxc7 24. Rxc7 Na5 25. Nd5 Bd8 26. Ne7+ Bxe7 27. Bxe7 h6 28. c6 Rb8 29. Bd6 Kh7 30. Rxf7 Rb1+ 31. Kg2 Nxc6 32. Rc7 Nd8 33. Rxa7 Rb5 34. f4 Nb7 35. Be5 Rb4 36. Bxd4 g5 37. Kf3 Kg6 38. Ra6+ Kf7 39. e3 |
| ECO A16 in 1981 play it! portisch lajos defeats black's donner johannes in 73 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 Ne8 10. Nge2 Bh6 11. Bf2 Nd7 12. O-O Nc5 13. Bc2 a5 14. a3 Bd7 15. b4 axb4 16. axb4 Rxa1 17. Qxa1 Na6 18. Rb1 Nec7 19. Bb6 Qb8 20. Qa3 Rc8 21. Bd3 Bg5 22. Kh1 Na8 23. Bg1 N8c7 24. Nc1 Ne8 25. N1a2 Nec7 26. Na4 Bb5 27. Nb6 Bxd3 28. Qxd3 Rd8 29. Nc3 Ne8 30. Nc4 Nac7 31. b5 Ng7 32. Ra1 Nce8 33. g3 f5 34. Ra7 Rd7 35. b6 Rf7 36. Na5 Nf6 37. Nxb7 |
| ECO A30 in 1970 play it! portisch lajos defeats black's gligoric svetoza in 81 moves | 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Bc5 7. Nb3 Bb4 8. Bg2 d5 9. cxd5 Nxd5 10. a3 Bxc3+ 11. bxc3 O-O 12. c4 Nb6 13. Qxd8 Rxd8 14. c5 Nc4 15. Nd2 Nd4 16. Ra2 Na5 17. Bb2 Nac6 18. e3 Nf5 19. Ke2 Bd7 20. Bc3 Rac8 21. Rb1 Rc7 22. Rab2 Bc8 23. Nc4 b6 24. cxb6 axb6 25. Nxb6 Ba6+ 26. Ke1 Nfe7 27. a4 f6 28. f4 Nd5 29. Bd2 Kf7 30. Nxd5 exd5 31. Rb6 Bc4 32. Rc1 Ne7 33. a5 Ra7 34. Bf1 Bxf1 35. Kxf1 Nf5 36. Rc5 Re8 37. Kf2 Rd7 38. Kf3 Rde7 39. Rb3 Rd7 40. a6 Ree7 41. Rcb5 |
| ECO A17 in 1986 play it! portisch lajos defeats black's lukacs peter in 65 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 e5 9. cxd5 Nxd5 10. Nxd5 cxd5 11. dxe5 Nxe5 12. Bb2 Bb4+ 13. Kf1 Nc6 14. h4 Be7 15. Ng5 g6 16. Rd1 Bf6 17. Ne4 Bxb2 18. Qxb2 f6 19. Nc3 Be6 20. Nxd5 Bxd5 21. Rxd5 Qe7 22. h5 g5 23. Bc4 Kh8 24. Rxg5 Ne5 25. Rg3 Rad8 26. Be2 Qb4 27. a3 Rd2 28. Qc1 Qd6 29. Rh4 Rxe2 30. Kxe2 Qa6+ 31. Kd2 b6 32. Rd4 Rc8 33. Qc7 |
| ECO A22 in 1982 play it! portisch lajos defeats black's kavalek lubomir in 139 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 d6 4. Bg2 Nbd7 5. Nf3 Be7 6. O-O O-O 7. d4 c6 8. Qc2 Qc7 9. b3 Re8 10. Bb2 a6 11. Rad1 Qb8 12. e3 Bf8 13. Nd2 Qc7 14. Rfe1 b6 15. d5 c5 16. f4 g6 17. Nf3 Bg7 18. h3 h5 19. Ng5 Nf8 20. Qf2 N6h7 21. Nf3 e4 22. Nh2 f5 23. g4 Qe7 24. gxh5 gxh5 25. Kh1 Kh8 26. Rg1 Nf6 27. Bf1 N8h7 28. Be2 Qf7 29. Rg2 Bd7 30. Rdg1 Rg8 31. Qh4 Bh6 32. Na4 Rxg2 33. Rxg2 Be8 34. Nxb6 Rb8 35. Nf1 Rxb6 36. Ng3 Qf8 37. Bxh5 Bg7 38. Nxf5 Bxh5 39. Rxg7 Bf3+ 40. Kg1 Qxg7+ 41. Nxg7 Kxg7 42. f5 Kf7 43. Qg3 Bh5 44. Bc3 Ne8 45. Kf1 a5 46. Ke1 Ra6 47. Qf4 Nhf6 48. Kd2 a4 49. b4 cxb4 50. Bxb4 Rb6 51. a3 Ra6 52. Qf1 Ra8 53. Qf4 Ra6 54. Qg3 Nd7 55. Bc3 Rb6 56. Qf4 Nef6 57. Bd4 Ra6 58. Ke1 Ke7 59. Qh2 Ra8 60. Qb2 Rb8 61. Bxf6+ Kf7 62. Qh2 Rb1+ 63. Kf2 Nxf6 64. Qxd6 Rb2+ 65. Kg3 Kg7 66. Kf4 Rb7 67. Kg5 Rf7 68. c5 Be2 69. c6 Ba6 70. Qe5 |
| ECO A13 in 1978 play it! portisch lajos defeats black's hamann svend in 79 moves | 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4 9. Ne4 Be7 10. Nxf6+ Nxf6 11. e4 Bb7 12. O-O Nd7 13. Be3 O-O 14. Rc1 Rc8 15. Qa4 a5 16. Rfd1 c5 17. d5 exd5 18. exd5 Bd6 19. Bf5 Rc7 20. Bg5 Nf6 21. Bb1 h6 22. Bh4 g5 23. Bg3 Bxg3 24. hxg3 Bxd5 25. Qxa5 Qd6 26. b3 Rfc8 27. Qb5 Qc6 28. Nd4 Qa8 29. Qb6 Be4 30. Bxe4 Nxe4 31. Nf5 Qxa2 32. f3 Qf2+ 33. Kh2 Rc6 34. Rd8+ Kh7 35. Qb7 R8c7 36. Qb8 Nd2 37. Rh8+ Kg6 38. g4 Kf6 39. Rxh6+ Ke5 40. Rxc6 |
| ECO A10 in 1972 play it! portisch lajos defeats black's menvielle lacour in 43 moves | 1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. Nc3 O-O 6. Nh3 Nc6 7. O-O d6 8. d5 Ne5 9. b3 Ne4 10. Nxe4 Nf3+ 11. exf3 fxe4 12. Bg5 Bxa1 13. Qxa1 exf3 14. Re1 Rf7 15. Bf1 Qf8 16. Qc1 Rf5 17. Rxe7 Re5 18. Rxc7 Qe8 19. Bf6 Re1 20. Ng5 Qe2 21. Qxe1 Qxe1 22. Rxh7 |
| ECO A13 in 1956 play it! portisch lajos defeats black's szily jozsef in 95 moves | 1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 Nf6 5. cxd5 exd5 6. Qc2 Be7 7. Bg5 g6 8. e3 O-O 9. Bd3 Nbd7 10. O-O Nh5 11. Bxe7 Qxe7 12. Rab1 Ndf6 13. b4 Bg4 14. Ne5 Be6 15. Rfc1 Rfc8 16. Na4 Ng7 17. Qc5 Qe8 18. Rb2 Nf5 19. Re2 Qd8 20. Qc2 Nd6 21. Nc5 Qe7 22. f3 a5 23. Na4 Re8 24. Nb6 Rad8 25. bxa5 Qc7 26. Qc5 Bf5 27. Bxf5 Nxf5 28. a6 bxa6 29. Qxc6 Qxc6 30. Rxc6 Kg7 31. Rc7 Re7 32. Rec2 Rb8 33. Rxe7 Nxe7 34. Rc7 Rxb6 35. Rxe7 Rb1+ 36. Kf2 Rb2+ 37. Kg3 Kg8 38. a4 Nh5+ 39. Kh3 f6 40. Nd3 Rd2 41. Nc5 Re2 42. g3 Kf8 43. Re6 Kf7 44. Rxa6 Rxe3 45. Ra7+ Kg8 46. a5 Rxf3 47. a6 f5 48. Rb7 |
| ECO A25 in 1971 play it! portisch lajos defeats black's siaperas trianta in 45 moves | 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 f5 7. d3 Nf6 8. Nd5 Nd4 9. Nxd4 exd4 10. exf5 gxf5 11. O-O O-O 12. Bg5 c6 13. Nf4 Qc7 14. Re1 Qf7 15. Qb3 Re8 16. Qb4 Qf8 17. Rxe8 Nxe8 18. Re1 Be5 19. c5 Ng7 20. cxd6 Qxd6 21. Qa5 c5 22. Bd5+ Kf8 23. Rxe5 |
| ECO A10 in 1964 play it! portisch lajos defeats black's palacios de la p in 63 moves | 1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 d6 6. d4 O-O 7. Bg2 c5 8. O-O cxd4 9. Nxd4 a6 10. Nc3 e5 11. Nc2 Qe7 12. Nb4 Rd8 13. Nbd5 Qf8 14. Nb6 Ra7 15. Qd2 Nc6 16. Ncd5 Be6 17. Nxf6+ Bxf6 18. Bd5 Bxd5 19. Qxd5+ Qf7 20. f4 Bg7 21. Rad1 a5 22. Rd2 Ra6 23. Qxf7+ Kxf7 24. Nd5 Nd4 25. g4 Bh6 26. e3 Nc6 27. fxe5 dxe5 28. Re2 Ne7 29. e4 Nxd5 30. exd5 Re8 31. Rxe5 f4 32. h4 |
| ECO A16 in 1967 play it! portisch lajos defeats black's kristinsson jon in 123 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 h6 7. Be3 e5 8. d5 c6 9. dxc6 Nxc6 10. Qd2 Kh7 11. f3 a6 12. Rd1 Ne8 13. Bd3 Be6 14. b3 f5 15. exf5 gxf5 16. Nge2 Kh8 17. O-O Qf6 18. Bb1 Rd8 19. Ng3 Qg6 20. f4 Nf6 21. Bb6 Rd7 22. fxe5 dxe5 23. Qe1 e4 24. Nce2 Rxd1 25. Qxd1 Nh5 26. Nxh5 Qxh5 27. Nf4 Qf7 28. Nh5 Qd7 29. Qxd7 Bxd7 30. Rd1 Rf7 31. Nxg7 Kxg7 32. Rd6 Bc8 33. Kf2 Rd7 34. Rxd7+ Bxd7 35. Ke3 Kf6 36. Kf4 Ne7 37. Bd8 Ke6 38. Bxe7 Kxe7 39. Ke5 e3 40. Bd3 Bc6 41. Kf4 Bxg2 42. Kxe3 Kf6 43. Kf4 a5 44. Bxf5 b6 45. Bc8 Bc6 46. h4 Bg2 47. Bg4 Bc6 48. Bh3 Bb7 49. Bf5 Bc6 50. Bh7 Bg2 51. Bg8 Bc6 52. Bd5 Bd7 53. Ke4 Ke7 54. Ke5 Bc8 55. Bg8 Bg4 56. c5 bxc5 57. Kd5 Bd1 58. Kxc5 a4 59. b4 Kd7 60. a3 Kc7 61. Bd5 Bc2 62. b5 |
| ECO A10 in 1962 play it! portisch lajos defeats black's uhlmann wolfgang in 73 moves | 1. c4 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. b3 d6 7. Bb2 a5 8. O-O c6 9. Qc2 Na6 10. a3 Qc7 11. Nbd2 Bd7 12. c5 Kh8 13. Rac1 Rac8 14. Nc4 Be6 15. Rfd1 Ne4 16. Nfd2 Nxd2 17. Qxd2 dxc5 18. dxc5 Bxb2 19. Qxb2+ Kg8 20. Ne5 Rcd8 21. Qc3 Rxd1+ 22. Rxd1 Rd8 23. Rd3 Bd5 24. Bxd5+ Rxd5 25. Rxd5 cxd5 26. Nd3 e5 27. b4 axb4 28. axb4 e4 29. Nf4 Qc6 30. Qe5 Nxb4 31. Ne6 Qd7 32. Qf6 h6 33. Qxg6+ Kh8 34. Qf6+ Kg8 35. Qf8+ Kh7 36. Qxf5+ Kg8 37. Qg6+ |
| ECO A13 in 1990 play it! portisch lajos defeats black's agdestein simen in 85 moves | 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 dxc4 7. e3 Nd5 8. Bxe7 Qxe7 9. Qa4+ c6 10. Qxc4 O-O 11. Rc1 Nd7 12. Be2 N5b6 13. Qd3 e5 14. O-O Re8 15. e4 exd4 16. Qxd4 Nc5 17. Nd2 Bd7 18. Rfd1 Rad8 19. Qb4 Be6 20. Nf1 Rxd1 21. Nxd1 Nbd7 22. Nc3 b6 23. Rd1 a5 24. Qd4 b5 25. Ng3 Qf6 26. a3 Bb3 27. Rd2 g6 28. Qe3 h5 29. f3 b4 30. Nd1 Be6 31. axb4 axb4 32. Nf2 Qe7 33. f4 Nb3 34. f5 Qc5 35. Rd3 Qxe3 36. Rxe3 Bd5 37. Nd1 h4 38. exd5 Rxe3 39. Nxe3 hxg3 40. dxc6 gxh2+ 41. Kxh2 Nb6 42. c7 Nd4 43. Nd5 |
| ECO A16 in 1975 play it! portisch lajos defeats black's kuijpers francis in 53 moves | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 d6 8. d3 Kh8 9. Rb1 Ng8 10. Ne1 Nge7 11. Nc2 f5 12. f4 Qe8 13. e3 Rb8 14. Nb4 Bd7 15. Nd5 Nxd5 16. cxd5 Ne7 17. fxe5 dxe5 18. c4 b6 19. Rb2 Ng6 20. Rbf2 Qe7 21. Qb3 b5 22. cxb5 Rxb5 23. Qc3 Rc8 24. e4 fxe4 25. Ba3 Qe8 26. Bxe4 Rbb8 27. Bxg6 |
| ECO A17 in 1956 play it! portisch lajos defeats black's keller dieter in 59 moves | 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Bg4 8. Qc2 Bh5 9. Nge2 Bg6 10. Nf4 Bxd3 11. Nxd3 Nbd7 12. O-O O-O 13. b4 Ne4 14. Bxe7 Qxe7 15. b5 Rac8 16. Qb2 Nxc3 17. Qxc3 c5 18. Qa3 Rfe8 19. Qxa7 c4 20. Nf4 Nf6 21. a4 g5 22. Ne2 Ne4 23. a5 Nd2 24. Rfd1 Nb3 25. Ra2 c3 26. Rc2 Qe4 27. Rxc3 Rxc3 28. Nxc3 Qc2 29. a6 Qxc3 30. axb7 |