| ECO A05 in 1973 play it! portisch lajos defeats black's panno oscar in 71 moves | 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 Be7 6. e4 d6 7. Nbd2 O-O 8. Ne1 c5 9. e5 Bxg2 10. exf6 Bxf1 11. fxe7 Qxe7 12. Nxf1 Nc6 13. Nf3 Rac8 14. c3 d5 15. d4 c4 16. Ne5 Na5 17. Ne3 f6 18. Nf3 g5 19. b3 Rf7 20. h4 h6 21. Ng4 Kg7 22. Nxh6 Kxh6 23. Nxg5 Kg7 24. Nxf7 Qxf7 25. b4 Nb7 26. Bf4 a5 27. bxa5 Ra8 28. a4 bxa4 29. Rxa4 Rxa5 30. Rb4 Ra8 31. Rb6 Nd8 32. Qb1 Ra7 33. Kg2 Rb7 34. Rxb7 Nxb7 35. Qb6 Qd7 36. Qc7 |
| ECO A05 in 1980 play it! portisch lajos defeats black's kavalek lubomir in 51 moves | 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. c4 d5 6. Qa4 Bd6 7. Ng5 Bd7 8. cxd5 Nb4 9. Qd1 Nfxd5 10. d4 Bc6 11. a3 Na6 12. Qb3 Be7 13. dxe5 Bxg5 14. Bxg5 Qxg5 15. Bxd5 Bxd5 16. Qxd5 O-O 17. Nc3 Qe7 18. Ne4 b6 19. f4 Rad8 20. Nd6 Nc7 21. Qb3 Ne6 22. e3 Rxd6 23. exd6 Qxd6 24. Rad1 Qc6 25. Qd5 Qb5 26. f5 |
| ECO A05 in 1961 play it! portisch lajos defeats black's dely p in 87 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O c5 5. c4 Nc6 6. Nc3 O-O 7. d4 cxd4 8. Nxd4 Ng4 9. Nb3 d6 10. Bf4 Nge5 11. c5 Nc4 12. cxd6 e5 13. Bc1 Qxd6 14. Qxd6 Nxd6 15. Rd1 Nf5 16. Nc5 Nfd4 17. Bd2 Rb8 18. e3 Ne6 19. N3e4 Nc7 20. h3 Ne7 21. Nd6 Bd7 22. Nce4 Bc6 23. Nc5 b6 24. Bxc6 Nxc6 25. Nce4 Ne6 26. Rac1 Ne7 27. Bb4 Rfd8 28. Ba3 f5 29. Nb5 Rxd1+ 30. Rxd1 Nc6 31. Rc1 Ned8 32. Ng5 Rb7 33. Ne6 Nxe6 34. Rxc6 Nd8 35. Rc8 Bf6 36. Ra8 a5 37. Nd6 Rd7 38. Rb8 Be7 39. Rxb6 Nf7 40. Nxf7 Bxa3 41. Nh6+ Kg7 42. Nxf5+ gxf5 43. bxa3 Rd5 44. a4 |
| ECO A06 in 1971 play it! portisch lajos defeats black's bisguier arthur in 63 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 c4 11. dxe6 cxd3 12. exd7+ Qxd7 13. e5 Ng8 14. O-O Bb7 15. Re1 Rd8 16. Ne4 Qf5 17. Nh4 Qd7 18. Nf6+ gxf6 19. exf6+ Be7 20. fxe7 Rc8 21. Re3 Nxe7 22. Rxd3 Qc6 23. Bg5 Rg8 24. Rc1 Qb6 25. Bxe7 Rxc1 26. Qxc1 Kxe7 27. Nf5+ Ke6 28. Qh6+ Rg6 29. Re3+ Kxf5 30. Qh5+ Rg5 31. Qxf7+ Qf6 32. Qxh7+ |
| ECO A05 in 1965 play it! portisch lajos defeats black's smederevac petar in 80 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. a3 dxc4 10. Bxc4 Qe7 11. O-O h6 12. Bg3 Bd6 13. Bh4 Ne5 14. Nxe5 Bxe5 15. Ne4 Qc7 16. Bxf6 Bxf6 17. Nxf6+ gxf6 18. Rac1 Qe5 19. Qd2 f5 20. Rc3 Qf6 21. Re1 e5 22. e4 f4 23. Bd5 Rb8 24. Rc7 Be6 25. Rxb7 Rxb7 26. Bxb7 Kh7 27. Bd5 Rg8 28. Bxe6 Qxe6 29. Qd5 Qg6 30. g3 Qh5 31. Rc1 Rg7 32. Rc3 Qg5 33. Rc7 Qh5 34. Re7 Qe2 35. Qxe5 Qd1+ 36. Kg2 f3+ 37. Kh3 Qf1+ 38. Kh4 Qa6 39. Qf5+ Kh8 40. Re8+ Rg8 |
| ECO A04 in 1990 play it! portisch lajos defeats black's malaniuk vladimi in 74 moves | 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 d6 6. d4 O-O 7. O-O c6 8. c4 Na6 9. Nc3 Qe8 10. d5 Bd7 11. Rc1 Nc7 12. Qd2 h6 13. Ne1 Qf7 14. Nd3 Rfd8 15. Rfd1 e5 16. dxe6 Nxe6 17. Nf4 Be8 18. Nxe6 Qxe6 19. Ba3 Bf7 20. Re1 Ne4 21. Nxe4 fxe4 22. Qe3 d5 23. cxd5 cxd5 24. Bc5 Qe5 25. Red1 Qb2 26. Bd4 Bxd4 27. Rxd4 Rac8 28. Rcd1 Kg7 29. R4d2 Rc2 30. Bxe4 Rxd2 31. Qxd2 Qxd2 32. Rxd2 Kf6 33. f4 Be6 34. Kf2 g5 35. Bg2 Rd7 36. Ke3 Ke7 37. Kd4 Kd6 |
| ECO A05 in 1963 play it! portisch lajos defeats black's doda zbigniew in 71 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. d3 a6 8. d4 cxd4 9. Nxd4 Ng4 10. Nb3 Nge5 11. c5 b6 12. cxb6 Qxb6 13. Nd5 Qd8 14. Bg5 f6 15. Bd2 a5 16. Bc3 f5 17. Rc1 e6 18. Nf4 Qb6 19. Bxe5 Bxe5 20. Nxe6 Re8 21. Ng5 Re7 22. Nc5 Rb8 23. Na4 Qd4 24. Qc2 Bf6 25. Nh3 Ba6 26. Nf4 Kg7 27. Rfd1 Qa7 28. e3 Nb4 29. Qc7 Qxc7 30. Rxc7 Bb5 31. Nc3 Bxc3 32. bxc3 Na6 33. Ra7 Ba4 34. Ra1 Nc5 35. Rxa5 d6 36. Nd5 |
| ECO A05 in 1957 play it! portisch lajos defeats black's cherepkov alexan in 81 moves | 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Qe2 Qc7 9. Re1 b6 10. e5 Nd7 11. Nf1 Ba6 12. Bf4 c4 13. d4 Nb4 14. Qd1 c3 15. b3 Nc6 16. h4 Rfe8 17. Ne3 Nf8 18. h5 Qd8 19. Ng4 Rc8 20. Re3 b5 21. Bf1 Nb8 22. a3 Qb6 23. h6 g6 24. Bg5 Nbd7 25. Bxe7 Rxe7 26. Rd3 Bb7 27. Ng5 a5 28. Qf3 b4 29. axb4 axb4 30. Nf6+ Kh8 31. Rdd1 Ra8 32. Rxa8 Bxa8 33. Ra1 Bb7 34. Qf4 Bc6 35. Nxd7 Nxd7 36. Nxf7+ Kg8 37. Nd6 Bb7 38. Bb5 Nf8 39. Be8 Nd7 40. Bf7+ Kh8 41. Qg5 |
| ECO A05 in 1957 play it! portisch lajos defeats black's papp laszlo in 53 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. O-O Be7 6. Nc3 d6 7. Qc2 Nbd7 8. d4 O-O 9. e4 c5 10. Rd1 Qc7 11. d5 exd5 12. cxd5 a6 13. a4 Ne5 14. Nh4 c4 15. Ne2 Nfd7 16. Nf5 Bd8 17. Ned4 Nd3 18. Be3 N7e5 19. h3 g6 20. Nh6+ Kh8 21. f4 Nd7 22. Qc3 f6 23. Ne6 Qc8 24. Nxf8 Nxf8 25. Nf7+ Kg8 26. Nxd6 Qc7 27. e5 |
| ECO A05 in 1968 play it! portisch lajos defeats black's ilievski d in 61 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 a5 10. Bb2 a4 11. Ng5 Bd5 12. e4 Bxc4 13. bxc4 h6 14. Nh3 a3 15. Bc3 Nd7 16. Rc1 e5 17. d5 Nd4 18. Bxd4 exd4 19. f4 Ra6 20. e5 g5 21. Qxd4 gxf4 22. gxf4 f6 23. e6 f5 24. Qe3 Qe7 25. c5 Nf6 26. Rfd1 Kh8 27. Kh1 Ng4 28. Qb3 Qh4 29. d6 cxd6 30. cxd6 Bf6 31. e7 |
| ECO A04 in 1977 play it! portisch lajos defeats black's yug ljubojevic l in 81 moves | 1. Nf3 c5 2. c4 g6 3. e4 Bg7 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Be2 O-O 8. O-O Nbd7 9. Be3 Nc5 10. f3 Bd7 11. b4 Ne6 12. Qd2 a5 13. a3 Nh5 14. Rfd1 Nhf4 15. Bf1 Nxd4 16. Bxd4 Ne6 17. Be3 f5 18. exf5 Rxf5 19. Rac1 axb4 20. axb4 Nf8 21. Bd3 Rh5 22. Ne4 Ra3 23. Ng3 Rh4 24. Be4 Rxe3 25. Qxe3 Bh6 26. Qf2 Bxc1 27. Rxc1 Bc6 28. Ra1 Bxe4 29. Nxe4 Rh5 30. Qa2 Re5 31. Rd1 Qd7 32. Rxd6 Qf5 33. c5+ Kg7 34. Rd1 Ne6 35. Qb2 Kh6 36. Nf2 Rd5 37. Ng4+ Kg5 38. Rxd5 Qxd5 39. Qc1+ Nf4 40. h4+ Kf5 41. Nh6+ |
| ECO A05 in 1973 play it! portisch lajos defeats black's planinec albin in 85 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. e4 exd4 9. Nxd4 Re8 10. h3 Nc5 11. Re1 a5 12. Rb1 c6 13. Bf4 a4 14. Nc2 Nfd7 15. Qxd6 a3 16. b4 Bxc3 17. bxc5 Qa5 18. Re3 Nxc5 19. Bh6 Bb2 20. Bf1 Bd7 21. Nd4 Na4 22. Qxd7 Qh5 23. Rf3 Qxh6 24. Qxf7+ Kh8 25. Ne6 g5 26. Nc7 Rf8 27. Qe6 Qg7 28. Nxa8 Rxf3 29. Rd1 Bd4 30. Rd2 Rf8 31. Nc7 Bb6 32. Ne8 Qc3 33. Kg2 Bd4 34. Qe7 Qf3+ 35. Kh2 Rf7 36. Qxg5 c5 37. Nd6 Rg7 38. Qf5 Qxf5 39. Nxf5 Rd7 40. e5 Nc3 41. e6 Rd8 42. e7 Re8 43. Bg2 |
| ECO A05 in 1988 play it! portisch lajos defeats black's wegmueller k in 59 moves | 1. Nf3 Nf6 2. c4 g6 3. d4 d6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 b6 9. Re1 Bb7 10. d5 Rc8 11. b4 c6 12. dxc6 Bxc6 13. Qxd6 Re8 14. Qd3 Qe7 15. a3 Red8 16. Qe2 Bb7 17. Bb2 Ne8 18. Rac1 Ba6 19. Nd5 Qf8 20. b5 Bb7 21. Red1 f5 22. Bh3 Bxd5 23. cxd5 Nd6 24. Ng5 Rxc1 25. Bxc1 Nc5 26. exf5 Nxf5 27. Bxf5 Qxf5 28. Be3 Nd7 29. Qc4 Bf6 30. d6+ |
| ECO A05 in 1967 play it! portisch lajos defeats black's pachman ludek in 79 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. d4 d5 6. Nbd2 O-O 7. O-O Bf5 8. b3 Ne4 9. Bb2 Nd7 10. Nh4 Nxd2 11. Qxd2 Be6 12. e4 dxe4 13. Bxe4 Bh3 14. Rfe1 e6 15. Bh1 Bf6 16. Nf3 Bg4 17. Rad1 Qc7 18. Re4 Bxf3 19. Bxf3 Rfd8 20. Qe2 Nf8 21. h4 Bg7 22. h5 gxh5 23. Rh4 Rd7 24. Rxh5 Rad8 25. d5 exd5 26. Bxg7 Kxg7 27. cxd5 cxd5 28. Rdxd5 Qc3 29. Kg2 b6 30. Rhf5 Ng6 31. Rxd7 Rxd7 32. Bd5 Re7 33. Qg4 f6 34. Rh5 Qc7 35. Be4 Qd7 36. Rxh7+ Kxh7 37. Qxg6+ Kh8 38. Qxf6+ Kg8 39. Qg5+ Kf8 40. Bd5 |
| ECO A05 in 2005 play it! portisch lajos defeats black's berkes ferenc in 139 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 a5 8. d3 Bb7 9. e3 Qe7 10. Rb1 axb4 11. axb4 d5 12. Be2 c5 13. bxc5 bxc5 14. Bb2 Nc6 15. O-O dxc4 16. Qxc4 Ba6 17. Bxf6 gxf6 18. Qh4 Nb4 19. Ne5 Nd5 20. Ng4 Kh8 21. Rbc1 Rg8 22. Nh6 Rg6 23. e4 Nb4 24. Ra1 Rd8 25. Rfd1 Kg7 26. Ng4 Qc7 27. Qg3 Qc8 28. Qh3 e5 29. Qh5 Bxd3 30. Bxd3 Qxg4 31. Qxg4 Rxg4 32. f3 Nxd3 33. fxg4 c4 34. Ra7 Rd4 35. Rc7 Rxe4 36. h3 Kg6 37. Ra1 Nf4 38. Ra2 Nd5 39. Rc5 Rd4 40. Ra8 c3 41. Rg8+ Kh6 42. Rc6 Rd2 43. Kh2 c2 44. Kg3 c1=Q 45. Rxc1 Nf4 46. Kf3 Nxg2 47. Rc6 Nh4+ 48. Ke3 Rh2 49. Rxf6+ Ng6 50. Rf3 Nf4 51. Ke4 Rxh3 52. Rxh3+ Nxh3 53. Kxe5 Ng5 54. Kf6 Ne4+ 55. Kxf7 Ng5+ 56. Kf6 Ne4+ 57. Ke5 Ng5 58. Kf5 Nf7 59. Kf6 Ng5 60. Ra8 Ne4+ 61. Kf5 Nd6+ 62. Ke5 Nc4+ 63. Kd4 Nd2 64. Ra2 Nf3+ 65. Ke4 Nh4 66. Kf4 Kg7 67. Ra7+ Kh6 68. g5+ Kg6 69. Kg4 Ng2 70. Re7 |
| ECO A07 in 1988 play it! portisch lajos defeats black's niederberger h in 97 moves | 1. Nf3 d5 2. g3 f5 3. Bg2 Nf6 4. O-O e6 5. d4 Be7 6. c4 O-O 7. b3 Nc6 8. Bb2 a5 9. Nc3 Nb4 10. a3 Na6 11. Ne5 c6 12. Rc1 Bd7 13. Qc2 Be8 14. Rfd1 Ne4 15. f3 Nd6 16. c5 Nf7 17. Nd3 Bg5 18. f4 Bf6 19. e3 Nb8 20. Nf2 Nh6 21. b4 Bh5 22. Rf1 g5 23. fxg5 Bxg5 24. Rfe1 Ng4 25. Nxg4 fxg4 26. b5 Bg6 27. Qe2 h5 28. Rf1 Bf5 29. Rcd1 cxb5 30. Nxb5 Nc6 31. e4 dxe4 32. Bxe4 Qe7 33. Nd6 Bxe4 34. Nxe4 Bh6 35. Nd6 Bg7 36. Rfe1 b6 37. d5 Nd8 38. Bxg7 Kxg7 39. Qe5+ Kg6 40. cxb6 Rb8 41. Ne4 Rxb6 42. d6 Qg7 43. Qg5+ Kh7 44. Qxh5+ Kg8 45. d7 Rb7 46. Qe8 Qf7 47. Qxf7+ Nxf7 48. Nc5 Rbb8 49. Nxe6 |
| ECO A05 in 1964 play it! portisch lajos defeats black's gligoric svetoza in 75 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. e4 c6 9. h3 Qb6 10. Re1 exd4 11. Nxd4 Ne5 12. Nce2 Nfd7 13. b3 Nc5 14. Be3 a5 15. Rb1 Re8 16. Nc3 Qd8 17. Re2 Qe7 18. f4 Ned7 19. Bf2 Nf8 20. Qd2 Bd7 21. Rbe1 Rad8 22. Nf3 Bc8 23. Kh2 Nfd7 24. Bd4 Nf6 25. Qc2 Qf8 26. Bxc5 dxc5 27. e5 Bf5 28. Qc1 Nd7 29. Nh4 Be6 30. Ne4 Nb8 31. f5 gxf5 32. Nf6+ Kh8 33. Nxe8 Rxe8 34. Qc2 f4 35. gxf4 Qe7 36. Nf5 Bxf5 37. Qxf5 Nd7 38. e6 |
| ECO A05 in 1979 play it! portisch lajos defeats black's larsen bent by checkmate in 119 moves | 1. Nf3 Nf6 2. c4 d6 3. d4 Bg4 4. Qb3 Qc8 5. h3 Bxf3 6. Qxf3 g6 7. Nc3 Bg7 8. g3 Nc6 9. e3 O-O 10. Bg2 Re8 11. Qd1 e6 12. O-O d5 13. b3 Qd7 14. Bb2 Rad8 15. Na4 Ne7 16. Nc5 Qc8 17. Qc2 Nf5 18. Rac1 c6 19. Nd3 Qb8 20. Rfe1 Nd7 21. h4 h5 22. Rcd1 a6 23. a4 Rc8 24. Qe2 Nh6 25. Bh3 Rcd8 26. Rc1 Nf6 27. Ne5 Ne4 28. c5 a5 29. Qc2 Qc7 30. Bg2 Nf6 31. Bc3 Ra8 32. Rb1 Nfg4 33. Nxg4 Nxg4 34. b4 axb4 35. Rxb4 e5 36. Reb1 Ra7 37. Bh3 exd4 38. exd4 Nf6 39. Bd2 Ne4 40. Bf4 Qd8 41. Bg2 Qa8 42. Bf1 Re7 43. Re1 Qd8 44. Kg2 Nf6 45. Rxe7 Qxe7 46. Bd3 Qe8 47. Qb1 Qc8 48. Qe1 Qd8 49. Bg5 Qd7 50. Qe5 Qd8 51. Rb3 Kh7 52. Bc2 Qh8 53. Rf3 Ng4 54. Qc7 f5 55. Rxf5 Rxa4 56. Bf4 gxf5 57. Bxf5+ Kg8 58. Qc8+ Bf8 59. Qe6+ Kg7 60. Qg6# |
| ECO A06 in 1988 play it! portisch lajos defeats black's weidmann h in 74 moves | 1. Nf3 d5 2. d4 Nc6 3. c4 e6 4. Nc3 Bb4 5. e3 Nf6 6. a3 Bxc3+ 7. bxc3 O-O 8. Bb2 Bd7 9. Bd3 h6 10. O-O Na5 11. cxd5 exd5 12. Ne5 a6 13. c4 c6 14. c5 Be6 15. Bc3 Nc4 16. Bxc4 Ne4 17. Bd3 Nxc3 18. Qc2 Nb5 19. a4 Nc7 20. Rab1 Qc8 21. Rb2 a5 22. Rfb1 Na6 23. Rxb7 Nb4 24. R7xb4 axb4 25. Rxb4 Qc7 26. Rb6 Bd7 27. h3 Rfb8 28. Qb3 Be8 29. a5 Rxb6 30. cxb6 Qb8 31. a6 f6 32. Nf3 g5 33. e4 Bf7 34. e5 f5 35. Qb4 Qd8 36. b7 Rb8 37. a7 Be6 |
| ECO A06 in 1978 play it! portisch lajos defeats black's sosonko gennadi in 101 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 c5 4. cxd5 cxd4 5. Qxd4 Qxd5 6. Nc3 Qxd4 7. Nxd4 a6 8. g3 Bd7 9. Bg2 e5 10. Nc2 Bc6 11. O-O Bxg2 12. Kxg2 Nbd7 13. Rd1 Rc8 14. Ne3 Bc5 15. Ned5 Bd4 16. Be3 Bxc3 17. Nxc3 Ke7 18. Rd2 Rc6 19. Rad1 Nb6 20. Bxb6 Rxb6 21. f4 exf4 22. gxf4 Rc8 23. Kf3 Ke6 24. Rd3 Ke7 25. R1d2 Ke8 26. e4 Ng8 27. Nd5 Rbc6 28. a4 Nf6 29. Ne3 g6 30. Rb3 b6 31. Rbd3 Ng8 32. Nd5 Ne7 33. Nc3 R6c7 34. Ke2 Rc4 35. Rh3 h5 36. Rhd3 Rb4 37. Kf3 f5 38. Rd7 Rxb2 39. Rxe7+ Kxe7 40. Nd5+ Kd6 41. e5+ Ke6 42. Rxb2 Kxd5 43. Rd2+ Ke6 44. Rd6+ Kf7 45. Rf6+ Kg7 46. Rxb6 Rc3+ 47. Kg2 Rc4 48. Rxa6 Rxf4 49. Ra7+ Kf8 50. a5 Ra4 51. a6 |
