| ECO A17 in 1978 play it! portisch lajos defeats black's huebner robert in 119 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. d3 c5 6. g3 Nc6 7. Bg2 Be7 8. O-O O-O 9. d4 cxd4 10. Nxd4 Rc8 11. b3 a6 12. Bb2 Qc7 13. Rc1 Qb8 14. Re1 Rfd8 15. Nc2 d6 16. Qe2 Ba8 17. Rcd1 Nd7 18. Rd2 Na7 19. Nd4 Ne5 20. Red1 Bf8 21. f4 Nec6 22. Nxc6 Bxc6 23. f5 b5 24. fxe6 fxe6 25. Qg4 Re8 26. cxb5 axb5 27. Ne2 Rc7 28. Nf4 Rf7 29. Kh1 b4 30. Qe2 Bb5 31. Qe3 Nc6 32. Bh3 Nd8 33. a4 bxa3 34. Bxa3 d5 35. Bxf8 Rfxf8 36. exd5 exd5 37. Qc3 Qe5 38. Qxe5 Rxe5 39. Bg2 Nc6 40. Rxd5 Rfe8 41. Kg1 Nb4 42. Rxe5 Rxe5 43. Rd4 Nc6 44. Rd5 Kf8 45. Kf2 Ke7 46. Rxe5+ Nxe5 47. h3 g5 48. Ne2 h5 49. Nc3 Bd7 50. Ke3 h4 51. g4 Nxg4+ 52. hxg4 Bxg4 53. Ne4 Be6 54. b4 g4 55. Kf4 g3 56. Ng5 Bc8 57. Ke5 Bg4 58. b5 Be2 59. b6 Kd7 60. Ne6 |
| ECO A13 in 1961 play it! portisch lajos defeats black's sallay r in 113 moves | 1. c4 e6 2. Nf3 d5 3. g3 c6 4. b3 Nf6 5. Bg2 Nbd7 6. Bb2 Be7 7. O-O O-O 8. d3 b6 9. Nbd2 Bb7 10. Qc2 c5 11. e4 d4 12. Rae1 e5 13. Bh3 h5 14. Nh4 Ng4 15. Nf5 Ndf6 16. f3 Nh6 17. Nxh6+ gxh6 18. Qd1 Bc8 19. Bf5 Kh8 20. Kh1 Rg8 21. Bc1 h4 22. g4 Nh7 23. f4 exf4 24. Rxf4 Bg5 25. Rff1 Be6 26. e5 h3 27. Ne4 Bxf5 28. Nxg5 Nxg5 29. Rxf5 Qe7 30. Bxg5 Rxg5 31. Qf3 Rf8 32. Qxh3 Kh7 33. Qf3 Rxf5 34. Qxf5+ Kg7 35. g5 hxg5 36. Rg1 Rh8 37. Rxg5+ Kf8 38. Qc8+ Qe8 39. Qc7 Rh6 40. Qxa7 Qc6+ 41. Kg1 Rg6 42. Qb8+ Kg7 43. Qd8 Kh7 44. Kf2 Rxg5 45. Qxg5 Qh1 46. Qf4 Kg8 47. e6 f6 48. e7 Kf7 49. e8=Q+ Kxe8 50. Qe4+ Qxe4 51. dxe4 Kf7 52. Ke2 Ke6 53. Kd3 f5 54. exf5+ Kxf5 55. a3 Ke5 56. h4 Kf5 57. b4 |
| ECO A13 in 1979 play it! portisch lajos defeats black's velimirovic drag in 113 moves | 1. c4 e6 2. Nc3 d5 3. d4 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Qxd5 Nc6 8. Nf3 Nf6 9. Qd1 Bc5 10. e3 Qe7 11. Be2 g5 12. O-O O-O-O 13. b4 Bxb4 14. Qb3 g4 15. Nd4 Nxd4 16. exd4 Be6 17. Qb2 Nd5 18. Nb5 Kb8 19. Bc4 Ba5 20. Bd2 Bxd2 21. Qxd2 Qf6 22. Qa5 a6 23. Bxd5 Bxd5 24. Qc7+ Ka8 25. a4 Rc8 26. Qg3 Bc4 27. Rfd1 Qb6 28. Nd6 Rc6 29. Rab1 Qc7 30. Nxb7 Qxg3 31. hxg3 Bd5 32. Nc5 h5 33. Re1 Rb8 34. Rbd1 Rd8 35. Re5 Rcd6 36. Rb1 Be6 37. Kh2 Rb8 38. Rxb8+ Kxb8 39. Rxh5 Bc8 40. Rh8 Kc7 41. Rh7 Rxd4 42. Rxf7+ Kb6 43. Rf8 Kc7 44. Rf4 Rxf4 45. gxf4 Kb6 46. Nb3 Bd7 47. a5+ Kb5 48. f5 Bxf5 49. Nd4+ Kxa5 50. Nxf5 Kb4 51. Ne3 a5 52. f4 gxf3 53. g4 Kc3 54. g5 Kd4 55. Ng4 Kd5 56. Kg3 Ke6 57. Ne3 |
| ECO A13 in 1969 play it! portisch lajos defeats black's lombardy william in 83 moves | 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. Nge2 Nd7 8. h3 Qb6 9. Qd2 Ngf6 10. Ng3 Bg6 11. Be2 O-O 12. O-O a5 13. Kh1 Rfe8 14. f3 c5 15. Bb5 cxd4 16. exd4 Bb4 17. a4 Red8 18. Rac1 Nh5 19. Nxh5 Bxh5 20. Qf2 Nf8 21. Be3 f6 22. f4 Bf7 23. f5 Rac8 24. Ne2 Bd6 25. Nf4 Bxf4 26. Qxf4 Be8 27. Rc5 Bxb5 28. Rxb5 Qa6 29. Rc1 Rxc1+ 30. Bxc1 b6 31. Bd2 Qa7 32. b3 Rd7 33. Qf3 Qc7 34. Rxd5 Qc6 35. Rxd7 Qxf3 36. Rxg7+ Kxg7 37. gxf3 Nd7 38. Bf4 Kf7 39. Kg2 Ke7 40. Bc7 Kf7 41. Kf2 Kg7 42. Bf4 |
| ECO A17 in 1994 play it! portisch lajos defeats black's skembris spyrido in 83 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 d6 5. d4 Be7 6. Bd3 Bb7 7. O-O c5 8. d5 e5 9. Ne1 Nbd7 10. Nc2 O-O 11. a3 Ne8 12. g3 g6 13. Bh6 Ng7 14. Qd2 Kh8 15. Rae1 Rg8 16. Kh1 a6 17. f3 f6 18. Rf2 Bf8 19. Bf1 Nh5 20. Be3 Ng7 21. Bh3 Qe7 22. Rff1 Rb8 23. Re2 Bc8 24. a4 Rb7 25. b4 Qe8 26. b5 a5 27. Ne1 Nb8 28. Bxc8 Qxc8 29. Nd3 Re7 30. Ree1 Nd7 31. Qg2 Qe8 32. Bc1 Qf7 33. Bb2 Ne8 34. f4 exf4 35. gxf4 Bg7 36. e5 Qf8 37. e6 Nb8 38. Ne4 Ra7 39. Re3 Qe7 40. Rh3 f5 41. Rxh7+ Kxh7 42. Qh3+ |
| ECO A17 in 1972 play it! portisch lajos defeats black's keres paul in 63 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. g3 Nc6 5. Bg2 Be7 6. O-O O-O 7. d4 d5 8. cxd5 Nxd5 9. Nxd5 exd5 10. dxc5 Bxc5 11. Bg5 f6 12. Rc1 Bb6 13. Bd2 Bg4 14. Qb3 Kh8 15. e3 d4 16. exd4 Bxf3 17. Qxf3 Nxd4 18. Qh5 Qd7 19. Rce1 Rfe8 20. Bxb7 Rxe1 21. Bxa8 Ne2+ 22. Kg2 Nxg3 23. hxg3 Qxd2 24. Qf7 h6 25. Bd5 Kh7 26. Qg8+ Kg6 27. Bf7+ Kg5 28. Qxg7+ Kf5 29. Bh5 Ke6 30. Bg4+ f5 31. Bxf5+ Kxf5 32. Qf7+ |
| ECO A10 in 1970 play it! portisch lajos defeats black's radulov i in 69 moves | 1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Nbd2 d5 9. Ne5 Bb7 10. Nd3 Nbd7 11. b4 Re8 12. a4 Bd6 13. Nf3 Ne4 14. c5 bxc5 15. bxc5 Bc7 16. Bf4 Bxf4 17. gxf4 Qc7 18. Nfe5 Nef6 19. Rfb1 a5 20. Nxd7 Nxd7 21. Ne5 Nxe5 22. fxe5 Reb8 23. Rb6 Ba6 24. Rab1 Rb7 25. Qd2 Rxb6 26. cxb6 Qb7 27. Qxa5 Bb5 28. Qb4 Rxa4 29. Qd6 Kf7 30. e4 Qxb6 31. exf5 Qa7 32. Qxe6+ Kf8 33. Bxd5 cxd5 34. Rxb5 Rxd4 35. Qc8+ |
| ECO A22 in 1962 play it! portisch lajos defeats black's filip miroslav in 61 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Bf8 8. d3 h6 9. b3 Nxd5 10. cxd5 Nd4 11. Nd2 c6 12. Nc4 b5 13. Nd2 Bb7 14. e3 Nf5 15. dxc6 Bxc6 16. Bb2 Bxg2 17. Kxg2 d5 18. Qf3 Qd7 19. Rac1 Bb4 20. Rc2 Rad8 21. a3 Bxd2 22. Rxd2 e4 23. Qh5 g6 24. Qd1 d4 25. dxe4 Rxe4 26. Qf3 Rde8 27. Kg1 Qe7 28. exd4 Qg5 29. Qc3 Nh4 30. d5 f6 31. f4 |
| ECO A16 in 1987 play it! portisch lajos defeats black's farago ivan in 34 moves | 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Nf3 Nc6 5. Bg2 O-O 6. O-O e4 7. Ne1 Bxc3 8. dxc3 h6 9. Nc2 b6 10. Ne3 Bb7 11. Qc2 Ne7 12. Bd2 c5 13. f3 exf3 14. exf3 d5 15. Rad1 Qc7 16. cxd5 Nfxd5 17. Nxd5 Nxd5 |
| ECO A17 in 1968 play it! portisch lajos defeats black's padevsky nikola in 69 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 Be7 8. O-O O-O 9. a3 cxd4 10. exd4 Nxc3 11. bxc3 Bf6 12. Re1 b6 13. Qc2 g6 14. Bh6 Bg7 15. Bxg7 Kxg7 16. Be4 Bb7 17. c4 Rc8 18. Qb2 Na5 19. Bxb7 Nxb7 20. Nd2 Nd6 21. c5 Nf5 22. d5+ Qf6 23. Qxf6+ Kxf6 24. Ne4+ Kg7 25. dxe6 bxc5 26. Rad1 Rc6 27. exf7 h6 28. Rd5 c4 29. Nc5 Kxf7 30. Nd7 Re6 31. Rxf5+ gxf5 32. Rxe6 Rd8 33. Rxh6 Kg7 34. Rd6 c3 35. h4 |
| ECO A10 in 1970 play it! portisch lajos defeats black's jansa vlastimil in 89 moves | 1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 c6 6. Be3 a6 7. Bd3 O-O 8. Nge2 b5 9. O-O Nbd7 10. Qd2 bxc4 11. Bxc4 Nb6 12. Bd3 a5 13. Bh6 Nfd7 14. Bxg7 Kxg7 15. f4 d5 16. f5 dxe4 17. Bxe4 Rb8 18. b3 Nf6 19. fxg6 hxg6 20. Bxc6 Ba6 21. Bf3 Qd6 22. Rfd1 Rfc8 23. Ng3 Qb4 24. Nge4 Nxe4 25. Nxe4 Qxd2 26. Rxd2 Nd7 27. Re1 e6 28. Nd6 Rc3 29. Rf2 Rb6 30. Ne4 Rc7 31. Nc5 Nxc5 32. Rc1 Nxb3 33. Rxc7 Nxd4 34. h3 Kf8 35. Bb7 Nf5 36. Bxa6 Rxa6 37. Rfc2 Rd6 38. g4 Nd4 39. Rf2 f5 40. Rb2 Nc6 41. gxf5 gxf5 42. Rb6 Rd1+ 43. Kg2 Nd8 44. Kg3 Rd3+ 45. Kf4 |
| ECO A21 in 1974 play it! portisch lajos defeats black's quinteros miguel in 113 moves | 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 h6 6. Nh3 g5 7. Ng1 Bg7 8. h4 g4 9. e3 Nf6 10. Nge2 Nh5 11. Nd5 c5 12. Bd2 Nc6 13. Bc3 Be6 14. dxc5 dxc5 15. Qb3 O-O 16. Bxg7 Nxg7 17. O-O-O Bxd5 18. Rxd5 Qa5 19. Nc3 Rad8 20. Be2 Nb4 21. Rdd1 Qc7 22. a3 Nc6 23. Nd5 Qe5 24. Rd2 Rf7 25. g3 Rd6 26. Rhd1 Rfd7 27. Qb5 b6 28. Qa4 Kf7 29. Qc2 Ne6 30. Kb1 Ne7 31. Nc3 Nc7 32. Rxd6 Rxd6 33. Rxd6 Qxd6 34. Nxe4 fxe4 35. Qxe4 Qg6 36. Qxg6+ Kxg6 37. Bxg4 h5 38. Bd7 Nf5 39. Kc2 Nh6 40. Kd3 Kf6 41. b3 Nf7 42. Bh3 b5 43. f4 bxc4+ 44. Kxc4 Nd6+ 45. Kxc5 Ne4+ 46. Kc6 Ne8 47. g4 Nd2 48. g5+ Ke7 49. f5 Nf3 50. f6+ Kf8 51. Bf1 Nxh4 52. Be2 Nf5 53. Bxh5 Nxe3 54. Kd7 Nxf6+ 55. gxf6 Nc2 56. a4 a5 57. Kc7 |
| ECO A10 in 1983 play it! portisch lajos defeats black's kovacevic vlatko in 95 moves | 1. c4 f5 2. d4 Nf6 3. g3 d6 4. Nf3 g6 5. b3 Bg7 6. Bg2 O-O 7. O-O c6 8. Bb2 a5 9. Nc3 Na6 10. Rc1 Bd7 11. d5 Nc5 12. Ne1 Qb6 13. Nd3 Nxd3 14. Qxd3 Rf7 15. Na4 Qa6 16. dxc6 Bxc6 17. Bxc6 bxc6 18. c5 d5 19. Nb6 Ra7 20. Rfd1 Bh6 21. Rc2 f4 22. Qxa6 Rxa6 23. f3 fxg3 24. hxg3 e6 25. Bxf6 Rxf6 26. Kg2 Rf7 27. Rd4 Bf8 28. Ra4 Rfa7 29. a3 Bxc5 30. Nxd5 cxd5 31. Rxc5 h5 32. Kh3 Kg7 33. Kh4 Kh6 34. f4 Ra8 35. e3 R8a7 36. g4 hxg4 37. Kxg4 Ra8 38. Rc7 Rg8 39. b4 Rga8 40. b5 Rb6 41. Rd4 Rxb5 42. Rd1 d4 43. Rxd4 e5 44. Rdd7 Rh8 45. f5 gxf5+ 46. Kxf5 Rb3 47. Rc6+ Kh5 48. Rc8 |
| ECO A21 in 1967 play it! portisch lajos defeats black's bilek istvan in 81 moves | 1. c4 e5 2. Nc3 d6 3. Nf3 g6 4. d4 Nd7 5. e4 Bg7 6. d5 a5 7. g3 Nc5 8. Bg2 Nf6 9. Qc2 c6 10. Be3 cxd5 11. Bxc5 dxe4 12. Rd1 exf3 13. Bxf3 O-O 14. Bxd6 Bh3 15. Bxf8 Qxf8 16. Ne4 Nxe4 17. Bxe4 f5 18. Bd5+ Kh8 19. Rd3 e4 20. Rb3 Re8 21. Qd2 Be5 22. Rxb7 Bg2 23. Rg1 Bf3 24. Rf7 Qb4 25. Qxb4 axb4 26. Kd2 Bxb2 27. Ke3 Be5 28. Rb1 Bd6 29. Kd4 Rc8 30. Rd7 Bc5+ 31. Ke5 Re8+ 32. Kf6 Rb8 33. a3 Rf8+ 34. Rf7 Bd4+ 35. Ke6 Rxf7 36. Kxf7 g5 37. Rxb4 Bh5+ 38. Ke6 Bg6 39. c5 Bxc5 40. Rc4 Bxa3 41. Kf6 |
| ECO A22 in 2005 play it! portisch lajos defeats black's fedorchuk sergey in 75 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. e3 d6 6. Nge2 Be6 7. d4 Bb6 8. b3 h5 9. h3 a5 10. Bb2 O-O 11. Qd2 Re8 12. Rd1 Na6 13. Qc1 Qc8 14. c5 Bc7 15. cxd6 Bxd6 16. dxe5 Bxe5 17. Na4 Qc7 18. Bxe5 Qxe5 19. Nf4 Bf5 20. Nb6 Rad8 21. O-O Nb4 22. Nc4 Qc5 23. Rxd8 Rxd8 24. Rd1 Rxd1+ 25. Qxd1 Bd7 26. Qd2 a4 27. e4 b5 28. Ne3 h4 29. gxh4 Qe5 30. Qxb4 axb3 31. axb3 Qxf4 32. Qd4 Qxh4 33. Qd6 Be8 34. Qe7 Bd7 35. e5 Bxh3 36. Bxh3 Qxh3 37. exf6 Qf3 38. Qe8+ |
| ECO A25 in 1981 play it! portisch lajos defeats black's ljubojevic ljubo in 111 moves | 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d3 O-O 8. O-O Be6 9. Nd5 Rb8 10. e4 Qd7 11. Be3 b5 12. b3 Nd4 13. Nxd4 exd4 14. Bg5 f6 15. Bd2 bxc4 16. bxc4 Nc6 17. f4 f5 18. Qa4 Bxd5 19. cxd5 Ne5 20. Qxd7 Nxd7 21. Ba5 Nb6 22. Rac1 Rf7 23. Rc6 Re8 24. Rfc1 Ree7 25. e5 Bf8 26. e6 Rg7 27. Kf1 h6 28. Be1 g5 29. fxg5 hxg5 30. Bf2 Rh7 31. Kg1 Bg7 32. Rxc7 Be5 33. R7c6 Rb7 34. Be1 Na4 35. Rc8+ Kg7 36. R1c7+ Kh6 37. Rxh7+ Kxh7 38. Bd2 Bf6 39. Ba5 Nc5 40. Rxc5 Rb1+ 41. Kf2 Rb2+ 42. Kf1 Rb1+ 43. Ke2 Rb2+ 44. Kd1 dxc5 45. d6 Kg7 46. Bc6 Kf8 47. Bc7 Rb1+ 48. Kc2 Re1 49. Bd5 f4 50. Kd2 Re3 51. gxf4 gxf4 52. e7+ Ke8 53. Bc6+ Kf7 54. Bd8 Bg7 55. d7 Rxe7 56. Bc7 |
| ECO A16 in 1988 play it! portisch lajos defeats black's meier hanspeter in 57 moves | 1. c4 Nf6 2. Nc3 d6 3. d4 g6 4. e4 Bg7 5. Nf3 O-O 6. Be2 e5 7. Be3 Nc6 8. d5 Ne7 9. Nd2 Ne8 10. c5 f5 11. f3 f4 12. Bf2 a6 13. Qb3 Rf6 14. O-O-O Bf8 15. Nc4 Rb8 16. cxd6 cxd6 17. Ba7 b5 18. Bxb8 bxc4 19. Bxc4 Rf7 20. Kb1 Kg7 21. Ba7 Ng8 22. Bb6 Qd7 23. Bf2 Be7 24. Rc1 Nc7 25. Na4 Nb5 26. Nb6 Qa7 27. Bxb5 axb5 28. Rxc8 Bf6 29. h4 |
| ECO A16 in 1989 play it! portisch lajos defeats black's hjartarson johan in 81 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. e3 d5 5. d4 Nc6 6. a3 Ne4 7. Bd3 Nxc3 8. bxc3 Qa5 9. Bd2 dxc4 10. Bxc4 Bd6 11. e4 O-O 12. O-O cxd4 13. cxd4 Qh5 14. e5 Be7 15. Qe2 Bd7 16. h3 Rae8 17. Rfe1 Kh8 18. Rab1 Nd8 19. Rb3 Bc6 20. Bb5 Bd5 21. Bc4 Bc6 22. Re3 a6 23. Qd1 f5 24. exf6 gxf6 25. Nh2 Qxd1 26. Rxd1 Bd6 27. Ba5 Bd5 28. Bxd5 exd5 29. Rb3 Nc6 30. Bb6 Rf7 31. Ng4 Re4 32. Ne3 Ne7 33. Bc5 Bxc5 34. dxc5 d4 35. Nc4 Nf5 36. g4 Rg7 37. Kf1 Nh4 38. Nd6 Re5 39. Nxb7 Rge7 40. c6 Rc7 41. Nd8 |
| ECO B21 in 1961 play it! portisch lajos defeats black's orendi e in 45 moves | 1. e4 c5 2. f4 e6 3. d3 Nc6 4. Nf3 d5 5. Nbd2 Bd6 6. g3 h5 7. Qe2 h4 8. e5 Bc7 9. g4 Nge7 10. Bh3 Ng6 11. Nb3 Qe7 12. c3 b6 13. Be3 a5 14. a4 d4 15. cxd4 cxd4 16. Bd2 O-O 17. O-O Rd8 18. Rac1 Bb7 19. Bg2 Rd7 20. Ng5 Nd8 21. Bxb7 Nxb7 22. Qe4 Rd5 23. f5 |
| ECO B23 in 1961 play it! portisch lajos defeats black's navarovszky l in 69 moves | 1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d6 5. Bb5 Ne7 6. d4 cxd4 7. Nxd4 a6 8. Nxc6 Nxc6 9. Bd3 Qb6 10. Qf3 Be7 11. Nd1 Qc7 12. c3 Nb8 13. O-O Nd7 14. Be3 O-O 15. Nf2 Nc5 16. Bc2 Bd7 17. f5 Bb5 18. Rfe1 e5 19. Ng4 Nd7 20. Bf2 Bc6 21. Rad1 b5 22. Bb3 Qb7 23. Bd5 Bxd5 24. Rxd5 h5 25. Ne3 Nf6 26. Rdd1 Rfd8 27. Bh4 d5 28. exd5 e4 29. Qe2 Bc5 30. Bxf6 gxf6 31. Qxh5 Rxd5 32. Kf1 Rxd1 33. Qxd1 Bxe3 34. Rxe3 Re8 35. Qd6 |
