| ECO A20 in 1962 play it! olafsson fridrik defeats black's sliwa bogdan in 53 moves | 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. cxd5 cxd5 8. d3 Be6 9. Nc3 exd3 10. Qxd3 Nc6 11. O-O Ne5 12. Qb5+ Qxb5 13. Nxb5 Rc8 14. Ncd4 Bc5 15. Bf4 Ng6 16. Bd6 a6 17. Bxc5 Rxc5 18. Nd6+ Kd7 19. Nxb7 Rc4 20. e3 Ne7 21. a3 Rc7 22. Na5 Nf5 23. b4 Nxd4 24. exd4 Bf5 25. Nb3 Rc4 26. Rfc1 Re8 27. Bf1 |
| ECO A17 in 1969 play it! olafsson fridrik defeats black's langeweg kick in 81 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. g3 c5 5. Bg2 Nc6 6. O-O O-O 7. Na4 d6 8. a3 Ba5 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Bd7 12. Nc3 Bxc3 13. Qxc3 Bc6 14. b3 Bxg2 15. Kxg2 d5 16. Rd1 Qc8 17. Bb2 dxc4 18. Qf3 Nd5 19. Rac1 b5 20. Rd4 Qb7 21. bxc4 bxc4 22. Ba1 Rac8 23. Rdxc4 f6 24. Bd4 Rxc4 25. Rxc4 Rd8 26. e4 Nb6 27. Rb4 Qc6 28. h4 Nc8 29. e5 Ne7 30. exf6 Qxf3+ 31. Kxf3 Nc6 32. f7+ Kxf7 33. Rb7+ Ke8 34. Bxg7 Rd3+ 35. Kg4 Rxa3 36. Bf6 Ra5 37. Rxh7 Rf5 38. Bc3 Rxf2 39. Rc7 Ne7 40. Rxa7 Nd5 41. Bd4 |
| ECO A35 in 1966 play it! olafsson fridrik defeats black's thorbergsson fre in 69 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. d4 d6 6. Be2 Nf6 7. d5 Ne5 8. Nxe5 dxe5 9. e4 O-O 10. Be3 b6 11. a3 Bd7 12. h4 h6 13. g3 Qc8 14. Qd2 Kh7 15. f3 Nh5 16. Rg1 f5 17. exf5 gxf5 18. Bd3 Nf6 19. g4 e4 20. fxe4 Nxg4 21. exf5 Bxc3 22. Qxc3 Rg8 23. f6+ Bf5 24. f7 Rg7 25. O-O-O Bxd3 26. Qxd3+ Kh8 27. Rdf1 Qf8 28. Bd2 h5 29. Bc3 Rd8 30. Qg6 e5 31. dxe6 Rd4 32. Bxd4 cxd4 33. Qxh5+ Rh7 34. Qxg4 d3 35. Qg8+ |
| ECO A16 in 1977 play it! olafsson fridrik defeats black's hug werner in 79 moves | 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Nc6 9. Be3 Nxd4 10. Bxd4 Qa5 11. O-O Be6 12. Re1 Rfe8 13. Bf1 Nd7 14. Bxg7 Kxg7 15. Nd5 Bxd5 16. exd5 Qc5 17. Qd2 a5 18. b3 Nf6 19. a3 b6 20. Qb2 Kg8 21. Rad1 Qc7 22. Re3 Rac8 23. Be2 Qd7 24. Qd4 Qc7 25. h4 h5 26. a4 Qc5 27. Qf4 Kg7 28. g4 hxg4 29. Bxg4 Nxg4 30. Qxg4 Rh8 31. Rxe7 Rce8 32. Rde1 Rxe7 33. Rxe7 Rh5 34. Qf4 Rf5 35. Qe3 Qxe3 36. fxe3 Rh5 37. Rd7 Rxh4 38. Rxd6 Rh3 39. Kf2 Kh6 40. Rxb6 |
| ECO A14 in 1971 play it! olafsson fridrik defeats black's cuijpers frans a in 97 moves | 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bf4 Nd5 11. Nc3 Nxf4 12. gxf4 Nd7 13. Rad1 Qc8 14. f5 exf5 15. Qxf5 Nf6 16. Qxc8 Raxc8 17. Ne5 Bxg2 18. Kxg2 c6 19. f4 Rfd8 20. Kf3 Ne8 21. e3 f6 22. Nd3 g6 23. Ne4 f5 24. Nec5 Bxc5 25. Nxc5 Nc7 26. Rc1 Rd6 27. Rc2 Nd5 28. a3 a5 29. Nd3 Kf7 30. Ne5+ Ke6 31. h4 Ne7 32. h5 Kf6 33. Rh1 Rdd8 34. Rhc1 Rd6 35. Rh2 Rdd8 36. Rhc2 Rd6 37. Rg2 Kg7 38. b3 Rc7 39. Rh2 Rd8 40. hxg6 hxg6 41. Rch1 Kf6 42. Rh7 Rcc8 43. Rf7+ Ke6 44. Rhh7 Nd5 45. Nd3 Nb6 46. Re7+ Kd5 47. Nc5 Rb8 48. Re5+ Kd6 49. e4 |
| ECO A15 in 1963 play it! olafsson fridrik defeats black's reshevsky samuel in 75 moves | 1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Qc2 e5 8. Rd1 Re8 9. e4 c6 10. Nc3 exd4 11. Nxd4 a5 12. h3 Qe7 13. Bf4 Rd8 14. Rd2 Nc5 15. Rad1 Ne8 16. Be3 Bd7 17. Re2 Nc7 18. f4 Rac8 19. Bf2 Be8 20. Kh2 Qf8 21. Qd2 N7a6 22. Nf3 f5 23. Bd4 fxe4 24. Bxg7 Qxg7 25. Nxe4 Nxe4 26. Rxe4 d5 27. Rd4 Nb4 28. Ng5 Bf7 29. Nxf7 Qxf7 30. a3 c5 31. Rxd5 Nxd5 32. Bxd5 Rxd5 33. cxd5 Re8 34. d6 Qd7 35. g4 b6 36. Qd5+ Kg7 37. Rd2 Re6 38. Qxe6 |
| ECO A17 in 1958 play it! olafsson fridrik defeats black's fischer robert j in 87 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 c5 8. e3 Nc6 9. Rc1 c4 10. Be2 Be6 11. O-O O-O 12. Nd2 Be7 13. b3 g5 14. Bg3 Ba3 15. Rc2 Nb4 16. bxc4 Nxc2 17. Qxc2 dxc4 18. Nb5 Bb4 19. Nc7 Bxd2 20. Nxe6 fxe6 21. Bxc4 Qe8 22. Qxd2 Ne4 23. Qd3 Nxg3 24. hxg3 Rf6 25. Qe4 Rc8 26. Bb3 Qd7 27. Rd1 Re8 28. f4 Qh7 29. Qe5 Qf5 30. g4 Qxe5 31. dxe5 Rf7 32. f5 Rc7 33. Rd6 Rc5 34. Bxe6+ Kf8 35. Bb3 Rcxe5 36. Rxh6 Rxe3 37. Rg6 R8e4 38. Rxg5 Rg3 39. Rg8+ Ke7 40. g5 Re2 41. Bd5 Kd6 42. Bf3 Rxa2 43. f6 Ke6 44. Re8+ |
| ECO A35 in 1960 play it! olafsson fridrik defeats black's wexler francisco in 67 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. d4 Nf6 6. d5 Na5 7. e4 d6 8. h3 O-O 9. Be2 e5 10. g4 Ne8 11. Be3 f5 12. gxf5 gxf5 13. exf5 Bxf5 14. Qd2 e4 15. Ng5 Qe7 16. Rg1 b6 17. O-O-O Kh8 18. Rg2 Nc7 19. Rdg1 Rg8 20. f3 exf3 21. Nxf3 Na6 22. Bg5 Qd7 23. Bh6 Bf6 24. Rxg8+ Rxg8 25. Rxg8+ Kxg8 26. Qf4 Nb7 27. Nh4 Bxh4 28. Qxh4 Nc7 29. Bh5 Bg6 30. Ne4 Qf5 31. Qe7 Ne8 32. Bxg6 hxg6 33. Qxe8+ Kh7 34. Qf8 |
| ECO A20 in 2001 play it! olafsson fridrik defeats black's ptacnikova lenka in 75 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. b3 Bg7 5. Bb2 d6 6. Nc3 Nge7 7. d3 O-O 8. Qd2 Be6 9. Nd5 Qd7 10. f4 Rae8 11. O-O-O Nd8 12. Nc3 c5 13. Nf3 f6 14. e3 Bf7 15. Ne4 Qc7 16. g4 d5 17. cxd5 Bxd5 18. g5 Bxe4 19. dxe4 exf4 20. exf4 fxg5 21. Bxg7 Kxg7 22. Nxg5 Kg8 23. e5 Nec6 24. Bd5+ Kh8 25. h4 Nd4 26. h5 gxh5 27. Rxh5 Re7 28. Rdh1 Rxf4 29. Rxh7+ Rxh7 30. Rxh7+ Qxh7 31. Nxh7 Kxh7 32. Bc4 Rf3 33. Qg5 Nf7 34. Qe7 Kg6 35. Qxc5 Nc6 36. e6 Nfe5 37. e7 Nxe7 38. Qxe5 |
| ECO A17 in 1976 play it! olafsson fridrik defeats black's donner jan in 59 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. g3 O-O 6. Bg2 dxc4 7. Ne5 c5 8. dxc5 Qxd1+ 9. Nxd1 Bxc5 10. Nxc4 Nc6 11. O-O Bd7 12. Nc3 Rad8 13. Bf4 b6 14. Rfd1 Ne7 15. Ne5 Bc8 16. Nd3 Nfd5 17. Nxc5 Nxf4 18. gxf4 bxc5 19. e3 Ba6 20. Ne4 c4 21. Nc5 Bb5 22. Rac1 Nd5 23. a4 Rc8 24. Nxe6 fxe6 25. axb5 Rc5 26. Rd4 Rfc8 27. f5 Nb6 28. fxe6 Re8 29. Rd6 Re5 30. Ra1 |
| ECO A22 in 1961 play it! olafsson fridrik defeats black's jh donner in 59 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 f5 9. d3 Bf6 10. e4 O-O 11. b4 Kh8 12. Bb2 Be6 13. exf5 Bxf5 14. Ne4 Bxe4 15. dxe4 Qxd1 16. Raxd1 Nc4 17. Bc1 Rad8 18. Rfe1 a6 19. Bf1 Nd6 20. Kg2 h6 21. Bb2 g6 22. Rc1 Ra8 23. a4 Rae8 24. b5 axb5 25. axb5 Ne7 26. Rxc7 Nxb5 27. Rc5 Na7 28. Nxe5 Kh7 29. Rd1 Nac6 30. Nxg6 |
| ECO A17 in 1956 play it! olafsson fridrik defeats black's sliwa bogdan in 59 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. e3 Nc6 6. a3 a6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. Qc2 Qe7 11. Rd1 Rd8 12. g4 dxc4 13. Bxc4 b5 14. Bd3 Bb7 15. g5 Nxb4 16. axb4 Bxf3 17. gxf6 Qxf6 18. Bxh7+ Kh8 19. Be4 Bxd1 20. Qxd1 Bxb4 21. Qh5+ Kg8 22. Qh7+ Kf8 23. O-O Rac8 24. Qh8+ Ke7 25. Nd5+ exd5 26. Bxf6+ gxf6 27. Qh7 Bd6 28. Bxd5 Bxh2+ 29. Qxh2 Rxd5 30. Ra1 |
| ECO A11 in 1977 play it! olafsson fridrik defeats black's hermann manfred in 73 moves | 1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bb4 7. a3 Ba5 8. O-O O-O 9. Qc2 Bc7 10. Bd2 dxc4 11. Bxc4 e5 12. Ba2 Bd6 13. h3 Qe7 14. Rae1 g6 15. Ng5 Nb6 16. dxe5 Bxe5 17. f4 Bc7 18. e4 Nc4 19. Bxc4 Qc5+ 20. Be3 Qxc4 21. b3 Qa6 22. e5 Bf5 23. Qf2 h6 24. Nf3 Nh7 25. Na4 Bd8 26. Nd4 Be7 27. Nxf5 gxf5 28. Qc2 c5 29. Qxf5 Rac8 30. Nc3 Qe6 31. Qe4 Qxb3 32. Nd5 Bh4 33. Rb1 Qxa3 34. f5 Rfd8 35. Bxh6 Rc6 36. e6 Nf6 37. Qxh4 |
| ECO A16 in 1961 play it! olafsson fridrik defeats black's bakulin nikolac in 71 moves | 1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. d3 Nc6 7. Be3 e6 8. Bxc6+ bxc6 9. Qa4 Nb5 10. Nf3 Nxc3 11. bxc3 f6 12. Bxc5 Qc7 13. Bxf8 Kxf8 14. O-O h5 15. Rab1 g5 16. h4 gxh4 17. Qxh4 Kf7 18. Rb4 Rh6 19. Rfb1 a5 20. Rb6 Ra7 21. Qc4 Bd7 22. Qc5 Rh8 23. e4 Kg6 24. e5 f5 25. Qe7 Qd8 26. Nh4+ Kh6 27. Qf7 Rg8 28. Rb7 Rxb7 29. Rxb7 Rg7 30. Qf6+ Qxf6 31. exf6 Rh7 32. Nf3 Bc8 33. Re7 Rxe7 34. fxe7 Bd7 35. Ne5 Be8 36. Nc4 |
| ECO A16 in 1955 play it! olafsson fridrik defeats black's taimanov mark e in 67 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. b3 e5 8. Bb2 Be7 9. Rc1 f6 10. Na4 Na6 11. O-O O-O 12. Ne1 Bg4 13. h3 Bh5 14. Ba3 Qa5 15. Nd3 c4 16. Bxe7 cxd3 17. g4 Nxe7 18. gxh5 Rad8 19. Bxb7 Qb5 20. Bf3 e4 21. Nc3 Qg5+ 22. Bg2 f5 23. e3 Rd6 24. f3 Rh6 25. fxe4 Rxh5 26. Qf3 Nb4 27. exf5 Nxf5 28. e4 Qxd2 29. exf5 Rhxf5 30. Qe4 Rf4 31. Rxf4 Qxc1+ 32. Rf1 d2 33. Qxb4 Rc8 34. Nd1 |
| ECO A30 in 1975 play it! olafsson fridrik defeats black's debarnot roberto in 67 moves | 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Nc6 9. a3 Be7 10. Bc4 b5 11. Ba2 O-O 12. O-O Bb7 13. Qd3 Na5 14. Rd1 Nc4 15. Bb1 g6 16. Qb3 a6 17. Bh6 Re8 18. a4 Bf8 19. Bxf8 Rxf8 20. Bd3 Nd6 21. Re1 Rc8 22. h4 Qc7 23. h5 Rfe8 24. Ra2 Qc3 25. Qb1 Kg7 26. axb5 axb5 27. Bxb5 Bxe4 28. Rxe4 Rb8 29. Re5 Rec8 30. Rb2 Rb6 31. Rb3 Qc1+ 32. Re1 Qxb1 33. Rexb1 gxh5 34. Bd3 |
| ECO A13 in 1959 play it! olafsson fridrik defeats black's petrosian tigran in 131 moves | 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6 11. O-O a6 12. Rfc1 Bd6 13. Qd1 Ne7 14. Na4 b6 15. Nc3 Rfb8 16. a4 Nc6 17. e4 dxe4 18. Nxe4 Qf4 19. d5 Qxe4 20. dxe6 Rd8 21. exf7+ Kxf7 22. Qe1 Kf8 23. Rc4 Qe8 24. Rac1 Ne5 25. Re4 Nxf3+ 26. Bxf3 Qf7 27. Re3 Bf4 28. Bxa8 Bxe3 29. fxe3 Rxa8 30. Qg3 Kg8 31. Rxc7 Qf6 32. Qf2 Qe5 33. Rd7 Re8 34. Rd3 Qe4 35. Qc2 Kh7 36. Qd1 Re6 37. Rc3 Rg6 38. Qc2 Qxc2 39. Rxc2 Rd6 40. Kf2 Rd3 41. Kf3 Rb3 42. Ke4 a5 43. Kd4 g5 44. e4 Kg7 45. Rf2 Rb4+ 46. Kd5 Rxa4 47. e5 Ra1 48. e6 b5 49. e7 Rd1+ 50. Kc6 Re1 51. Kxb5 Re5+ 52. Ka4 Rxe7 53. Kxa5 Ra7+ 54. Kb4 Ra8 55. b3 h5 56. Kc5 Rc8+ 57. Kd6 Rd8+ 58. Kc6 Rc8+ 59. Kd7 Rc1 60. Rb2 Rh1 61. b4 Rxh2 62. b5 Rh1 63. b6 Rd1+ 64. Ke6 Rd8 65. b7 Rb8 66. Kf5 |
| ECO A15 in 1961 play it! olafsson fridrik defeats black's darga klaus in 137 moves | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c5 7. Bb2 b6 8. cxd5 Nxd5 9. d4 cxd4 10. Nxd4 Bb7 11. Nd2 Nc6 12. Ne4 Ndb4 13. Nxc6 Nxc6 14. Qc1 Nd4 15. Qe3 Nf5 16. Qf4 Rc8 17. Rad1 Qe8 18. g4 Bxe4 19. Bxe4 Nh4 20. Bd3 Qc6 21. Qe4 Qxe4 22. Bxe4 Rfd8 23. Be5 f5 24. gxf5 Nxf5 25. Rxd8+ Rxd8 26. Bd3 Ba3 27. Kg2 Kf7 28. Kf3 Bd6 29. Bb2 h6 30. h3 Bc5 31. Rc1 Nd4+ 32. Ke4 a5 33. Bc3 Nc6 34. Bc4 Bd4 35. e3 Bxc3 36. Rxc3 Nb4 37. a3 Nd5 38. Rc1 Nf6+ 39. Ke5 Nd7+ 40. Kd6 Nf6+ 41. Kc7 Ke7 42. Kxb6 Ra8 43. f4 g5 44. fxg5 hxg5 45. Rg1 a4 46. b4 Rc8 47. Kb5 Ne4 48. Bd3 Nc3+ 49. Ka5 Rd8 50. Bc4 Ra8+ 51. Ba6 Kd6 52. b5 Rf8 53. Rxg5 Ne4 54. Rg4 Nc5 55. Rd4+ Kc7 56. Rc4 Kd6 57. Kb6 Rf5 58. Rd4+ Ke7 59. Ka7 Rf3 60. Kb6 Rf5 61. Bc8 Re5 62. h4 Ne4 63. Rxa4 Nd6 64. Ra7+ Kf6 65. Bd7 Rxe3 66. Kc7 Ke7 67. a4 Rc3+ 68. Bc6 e5 69. b6 |
| ECO A22 in 1958 play it! olafsson fridrik defeats black's mititelu gheorgh in 79 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. O-O a5 7. d3 h6 8. a3 O-O 9. h3 Be6 10. e4 Nd4 11. Nxd4 Bxd4 12. Kh2 c6 13. Ne2 Bc5 14. f4 Qb6 15. b3 Nh7 16. Bb2 Bd4 17. Nxd4 exd4 18. g4 c5 19. Bc1 Qc7 20. a4 Qe7 21. Qe1 Bd7 22. Bd2 b6 23. Qg3 Rae8 24. g5 hxg5 25. fxg5 Be6 26. h4 Rd8 27. Rae1 Rfe8 28. Rf2 Nf8 29. h5 Nd7 30. Bf4 Nf8 31. Bf3 g6 32. Kg2 Bc8 33. Qh4 Ne6 34. Bd2 Kg7 35. Bg4 Rh8 36. Rf6 Rdf8 37. Rh1 Rd8 38. Kg1 Rdg8 39. Qe1 Qd8 40. hxg6 |
| ECO A17 in 1970 play it! olafsson fridrik defeats black's kristjansson ola in 51 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qe7 10. a3 Rd8 11. Be2 dxc4 12. Rxd8+ Qxd8 13. Bxc4 a6 14. O-O b5 15. Ba2 Qb6 16. Ng5 h6 17. Nge4 Be7 18. Nxf6+ Bxf6 19. Bb1 g6 20. Bxh6 Bg7 21. Bxg7 Kxg7 22. Ne4 e5 23. Rc1 Ne7 24. Qc3 f6 25. Qc7 Qb7 26. Qd6 |