| ECO A06 in 1976 play it! olafsson fridrik defeats black's sosonko gennadi in 49 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. a3 Bxc3+ 7. bxc3 c5 8. Bb2 Qa5 9. Nd2 Qc7 10. cxd5 cxd4 11. cxd4 exd5 12. Bd3 Re8 13. O-O Nc6 14. Qc2 Bg4 15. Rfe1 Bh5 16. e4 dxe4 17. Nxe4 Nd5 18. Qc5 Nf4 19. Bc4 b6 20. Qg5 Bg6 21. d5 Nd4 22. Bxd4 Qxc4 23. Nf6+ gxf6 24. Qxf4 f5 25. Qh4 |
| ECO A05 in 1974 play it! olafsson fridrik defeats black's palmer bernard in 51 moves | 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. e4 O-O 6. h3 c5 7. Be3 cxd4 8. Nxd4 a6 9. Be2 Nc6 10. O-O Bd7 11. a4 Rc8 12. Nb3 Na5 13. Nd2 Qc7 14. Rb1 Be6 15. Nd5 Bxd5 16. cxd5 b5 17. axb5 axb5 18. Bxb5 e6 19. b4 Nb7 20. Bc6 exd5 21. exd5 Nd7 22. Nc4 Rb8 23. Qa4 Ne5 24. Nxe5 Bxe5 25. Qa6 Nd8 26. b5 |
| ECO A04 in 1970 play it! olafsson fridrik defeats black's kristjansson bra in 61 moves | 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. c4 O-O 6. Nc3 d6 7. d4 c6 8. Qc2 Kh8 9. b3 Be6 10. Bb2 Bg8 11. e4 fxe4 12. Nxe4 Nxe4 13. Qxe4 Nd7 14. Rfe1 Re8 15. Qc2 e5 16. dxe5 Nxe5 17. Nxe5 dxe5 18. Re2 Qc7 19. Rae1 Re7 20. f4 Rae8 21. Bxe5 Rxe5 22. fxe5 Rxe5 23. Rxe5 Bxe5 24. Qe4 Bf6 25. Bh3 Qa5 26. Re2 Qc3 27. Kg2 Bd4 28. Be6 Qa1 29. Qf3 Bf6 30. Bxg8 Kxg8 31. Qg4 |
| ECO A05 in 1969 play it! olafsson fridrik defeats black's siaperas trianta in 47 moves | 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. b3 Be7 6. Bb2 O-O 7. d4 c5 8. Bd3 Nc6 9. Rc1 cxd4 10. exd4 dxc4 11. bxc4 Qa5 12. O-O Rd8 13. Qe2 Ba3 14. Ne4 Bxb2 15. Nxf6+ gxf6 16. Qxb2 Qb6 17. Qd2 Nxd4 18. c5 Nxf3+ 19. gxf3 Qc6 20. Bxh7+ Kxh7 21. Qxd8 Qxf3 22. Rc4 Bd7 23. Rh4+ Kg6 24. Qxa8 |
| ECO A09 in 1970 play it! olafsson fridrik defeats black's donner janhein h in 61 moves | 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Be2 O-O 8. O-O Qe7 9. Qc2 dxc4 10. Bxc4 e5 11. Ng5 Ba3 12. Bxa3 Qxa3 13. f4 exf4 14. Rxf4 h6 15. Nf3 Qe7 16. Rf1 Re8 17. Nd4 Nf8 18. Bd3 Be6 19. Rxf6 gxf6 20. Ne4 Nd7 21. Qd1 f5 22. Nxf5 Bxf5 23. Rxf5 Qe6 24. Qf3 Ne5 25. Qg3+ Kf8 26. Nf6 Nxd3 27. Nh7+ Ke7 28. Qc7+ Qd7 29. Rxf7+ Kxf7 30. Qxd7+ Re7 31. Qf5+ |
| ECO A05 in 1974 play it! olafsson fridrik defeats black's durao joaquim in 75 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. e4 O-O 6. h3 e5 7. d5 Nbd7 8. Bg5 h6 9. Be3 Nc5 10. Nd2 a5 11. Be2 Nfd7 12. g4 f5 13. gxf5 gxf5 14. exf5 Rxf5 15. Qc2 Nb6 16. Rg1 Kh8 17. Nde4 c6 18. Nxc5 dxc5 19. O-O-O cxd5 20. Nxd5 Nxd5 21. Rxd5 Qh4 22. Rxc5 Be6 23. Bg4 Rf6 24. Bxe6 Rxe6 25. Rc7 Re7 26. Rxe7 Qxe7 27. Qe4 Rc8 28. Kb1 Qf7 29. c5 Qd7 30. h4 a4 31. Qg4 Qxg4 32. Rxg4 a3 33. b4 Rd8 34. Kc2 Re8 35. Kb3 Ra8 36. Rg6 Kh7 37. Rb6 Rf8 38. Rxb7 |
| ECO A05 in 1968 play it! olafsson fridrik defeats black's wright j in 77 moves | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d5 6. c4 c6 7. O-O Nbd7 8. Qc2 Re8 9. Nc3 Nb6 10. cxd5 cxd5 11. a4 a5 12. Nb5 Bd7 13. Bd4 Bxb5 14. axb5 Ne4 15. Bxg7 Kxg7 16. d3 Nf6 17. Qc3 Nbd7 18. Bh3 Kg8 19. Bxd7 Nxd7 20. Rfc1 Qb6 21. Qc7 Qxb5 22. Nd4 Qb6 23. Qxb6 Nxb6 24. Rc7 a4 25. Rxb7 axb3 26. Rxa8 Nxa8 27. Nxb3 e6 28. Nc5 Rc8 29. Nd7 Kg7 30. Ne5 Rc7 31. Rb8 Ra7 32. f4 Nc7 33. g4 h6 34. g5 hxg5 35. fxg5 Na6 36. Re8 Nc7 37. Rd8 f6 38. Rd7+ Kg8 39. gxf6 |
| ECO A04 in 1971 play it! olafsson fridrik defeats black's ree hans in 123 moves | 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 a5 8. a4 O-O 9. Na3 d5 10. e4 d4 11. Nc4 Rb8 12. cxd4 cxd4 13. Bd2 f6 14. Qb3 Be6 15. Rfc1 Nc8 16. Bh3 Bf7 17. Qb5 N8a7 18. Qb6 Bxc4 19. Qxd8 Rfxd8 20. Rxc4 Kf7 21. Rac1 Bf8 22. Ne1 Bd6 23. f4 h6 24. Nf3 Rh8 25. Kf1 Rbe8 26. Ke2 Kg7 27. Ne1 Rhf8 28. fxe5 fxe5 29. Nc2 Re7 30. Rf1 Rxf1 31. Kxf1 Rc7 32. Ke2 h5 33. Be6 Nd8 34. Rxc7+ Bxc7 35. Bd5 Nac6 36. Na3 Kf6 37. h4 Ke7 38. Nc4 Ke8 39. Bg5 b6 40. Bf6 Kf8 41. Kf3 Ke8 42. Ke2 Kd7 43. Nd2 Nb4 44. Bc4 Nbc6 45. Nf3 Kd6 46. Bg8 Ne6 47. Bf7 Nf8 48. Nd2 Kc5 49. Bg7 Bd6 50. Bxf8 Bxf8 51. Bxg6 Kb4 52. Bxh5 Nd8 53. Be8 Ne6 54. Nc4 Kb3 55. Nxb6 Kxb2 56. Nc4+ Kc3 57. Nxe5 Bd6 58. Ng6 Bxg3 59. h5 Nf4+ 60. Nxf4 Bxf4 61. Kf3 Be5 62. Kg4 |
| ECO A04 in 1970 play it! olafsson fridrik defeats black's szabo laszlo in 63 moves | 1. Nf3 g6 2. d4 Bg7 3. e4 c5 4. c3 cxd4 5. cxd4 d6 6. h3 Nf6 7. Nc3 O-O 8. Bg5 Nc6 9. Be2 h6 10. Be3 d5 11. e5 Ne4 12. Rc1 Be6 13. Bd3 Bf5 14. O-O Nxc3 15. Rxc3 Bxd3 16. Qxd3 Qd7 17. Nh4 e6 18. f4 Ne7 19. g4 Rfc8 20. Rb3 Rc6 21. Qb5 b6 22. Bd2 Rac8 23. Qe2 Rc4 24. Rd3 Rc2 25. f5 exf5 26. gxf5 Nxf5 27. Nxf5 gxf5 28. Rg3 Qe6 29. Kh1 Kh8 30. Qg2 h5 31. Rxg7 Rxd2 32. Qxd2 |
| ECO A05 in 1961 play it! olafsson fridrik defeats black's portisch lajos in 81 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. c4 c6 7. cxd5 exd5 8. Nc3 Be7 9. Nd4 Bh7 10. e4 O-O 11. Bf4 Na6 12. a3 Re8 13. b4 c5 14. Ndb5 cxb4 15. axb4 d4 16. Ne2 Bxb4 17. Nexd4 Qd7 18. Qb3 Bf8 19. Rfc1 Red8 20. Rc4 Nc5 21. Qc2 a6 22. Nc7 Rac8 23. Nf5 Nh5 24. Nd5 Nxf4 25. gxf4 Bxf5 26. exf5 Qxf5 27. Ne3 Qxd3 28. Qxd3 Nxd3 29. Bxb7 Rxc4 30. Nxc4 Bc5 31. Rxa6 Bxf2+ 32. Kg2 Bd4 33. Kf3 Nc5 34. Rb6 Ne6 35. Rd6 Rb8 36. Bd5 Rb3+ 37. Ke4 Bf6 38. Bxe6 fxe6 39. Rxe6 Rh3 40. Kf5 Rh5+ 41. Kg6 |
| ECO A05 in 1976 play it! olafsson fridrik defeats black's kortchnoi viktor in 79 moves | 1. Nf3 Nf6 2. g3 d5 3. c4 dxc4 4. Qa4+ Nc6 5. Qxc4 e5 6. Bg2 Be6 7. Qa4 Nd7 8. d3 Nb6 9. Qd1 Be7 10. Nc3 f5 11. Be3 g5 12. Nd2 f4 13. Bxb6 axb6 14. a3 O-O 15. O-O g4 16. Be4 Rf6 17. Nc4 Rh6 18. Kg2 Qe8 19. Nd5 Bc5 20. h4 gxh3+ 21. Kh2 Qf7 22. Nb4 Kh8 23. e3 Qg7 24. Nxc6 bxc6 25. b4 Rg8 26. Rg1 fxe3 27. fxe3 Bxc4 28. bxc5 Bd5 29. cxb6 cxb6 30. Bxd5 cxd5 31. Ra2 Rg6 32. Qf3 e4 33. dxe4 dxe4 34. Qf4 Rg4 35. Qd6 h5 36. Qd4 Qxd4 37. exd4 e3 38. Re2 Re8 39. d5 Rd4 40. Rge1 |
| ECO A04 in 1961 play it! olafsson fridrik defeats black's milic borislav in 83 moves | 1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 Qe8 7. Nc3 d6 8. d4 c6 9. Qc2 Na6 10. a3 Qh5 11. b4 Bd7 12. Bf4 h6 13. c5 dxc5 14. dxc5 Nd5 15. Be5 Rad8 16. Nd2 Nac7 17. Nc4 Ne8 18. e3 Bf6 19. Rfe1 Bxe5 20. Nxe5 Nef6 21. Rad1 Ng4 22. Nxg4 Qxg4 23. Rd4 Qg5 24. Red1 Qe7 25. e4 fxe4 26. Nxe4 e5 27. R4d2 Bg4 28. Re1 Bf3 29. Nd6 Bxg2 30. Kxg2 Qg5 31. Nxb7 Nf4+ 32. Kh1 Rxd2 33. Qxd2 Qg4 34. Qd1 Qxd1 35. Rxd1 Nh3 36. Kg2 Nxf2 37. Rf1 Ng4 38. Rxf8+ Kxf8 39. Nd8 Ne3+ 40. Kf3 Nc2 41. Nxc6 Nxa3 42. Nxa7 |
| ECO A05 in 1971 play it! olafsson fridrik defeats black's huebner robert in 81 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. d4 Bg7 5. e4 cxd4 6. Nxd4 Nc6 7. Be3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 b6 11. Bd3 Bb7 12. O-O O-O 13. Bb1 d6 14. f4 Nc5 15. f5 Nd7 16. b3 Ne5 17. Nd5 e6 18. f6 exd5 19. fxg7 Re8 20. cxd5 Kxg7 21. Qd2 f6 22. Bd3 Qe7 23. Bd4 Rac8 24. Rce1 Rf8 25. Rf4 Rc7 26. Ref1 Bc8 27. h3 Bd7 28. Be2 h5 29. a4 Be8 30. R4f2 g5 31. Be3 Rg8 32. Rxf6 Qxf6 33. Rxf6 Kxf6 34. Bd4 Bf7 35. h4 Be8 36. hxg5+ Rxg5 37. Qf4+ Kg6 38. Qf8 Rc1+ 39. Kf2 Rc2 40. Qxe8+ Kh7 41. Bxe5 |
| ECO A04 in 1969 play it! olafsson fridrik defeats black's ostojic predrag in 66 moves | 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 O-O 8. b4 cxb4 9. axb4 Nxb4 10. cxb4 e4 11. d4 exf3 12. Bxf3 Qb6 13. e3 d6 14. Nc3 Be6 15. Qa4 Rfc8 16. Bd2 d5 17. Qb3 Qd8 18. b5 b6 19. Ne2 Bh6 20. Rfc1 Qd7 21. Bb4 Qxb5 22. Nc3 Qd7 23. Bxe7 Qxe7 24. Bxd5 Bxd5 25. Nxd5 Qe6 26. Qb5 Rxc1+ 27. Rxc1 Rd8 28. Nc7 Qe4 29. Qc6 Qxc6 30. Rxc6 Bf8 31. Kf1 Rc8 32. d5 b5 33. Nxb5 Rb8 |
| ECO A05 in 1971 play it! olafsson fridrik defeats black's lengyel levente in 115 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 g6 6. Bg2 Bg7 7. Qb3 Nb4 8. a3 N4c6 9. d3 O-O 10. O-O Nd4 11. Nxd4 cxd4 12. Ne4 Qb6 13. Qxb6 axb6 14. Bf4 Bd7 15. Rfc1 Bc6 16. Bxb8 Rfxb8 17. Rc2 Bh6 18. f4 f5 19. Ng5 Bxg2 20. Kxg2 Bxg5 21. fxg5 Kf7 22. Rc7 Ke6 23. Rac1 Ra5 24. R7c4 Rd5 25. Rb4 b5 26. b3 Kd6 27. a4 bxa4 28. bxa4 b6 29. Rcc4 Rb7 30. Kf3 Kd7 31. Rb1 e5 32. Rbc1 Ra5 33. Rb1 Rd5 34. h4 Ra5 35. g4 fxg4+ 36. Kxg4 Ra8 37. Rb5 Kd6 38. Rcb4 Rf8 39. Rxb6+ Rxb6 40. Rxb6+ Kd5 41. Rb5+ Kd6 42. a5 Ra8 43. Rb7 Rxa5 44. Rxh7 Ra6 45. Rf7 Kd5 46. h5 gxh5+ 47. Kxh5 Ra1 48. Kh6 Rg1 49. Rf2 Ke6 50. g6 Rh1+ 51. Kg7 Rh5 52. Rf6+ Ke7 53. Rf7+ Ke6 54. Kg8 Rh2 55. g7 Rxe2 56. Kf8 Rg2 57. g8=Q Rxg8+ 58. Kxg8 |
| ECO A05 in 1969 play it! olafsson fridrik defeats black's medina garcia an in 73 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. e3 O-O 6. a3 Bxc3+ 7. bxc3 c5 8. Bb2 Qa5 9. Nd2 Nbd7 10. cxd5 exd5 11. Bd3 cxd4 12. cxd4 Nb6 13. O-O Na4 14. Qc2 Bd7 15. Nb3 Qd8 16. Nc5 Rc8 17. Qb3 Nxc5 18. dxc5 Ne4 19. Bxe4 dxe4 20. Qxb7 Rb8 21. Qxa7 Bb5 22. Rfc1 Re8 23. c6 Qc8 24. c7 Rb7 25. Qd4 f6 26. Rc5 Bd3 27. Rac1 h6 28. h3 Kh7 29. a4 Ra7 30. Qd5 Rf8 31. Qd6 Ra8 32. a5 Ba6 33. Bd4 Bb7 34. Rb5 Ba6 35. Rb6 Bd3 36. Rc5 Ba6 37. Rb8 |
| ECO A05 in 1968 play it! olafsson fridrik defeats black's thorbergsson fre in 81 moves | 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. b3 Bd6 6. Bb2 Qe7 7. a3 O-O 8. Qc2 e5 9. cxd5 e4 10. Nd4 cxd5 11. Ncb5 Be5 12. Rc1 Nc6 13. Nxc6 bxc6 14. Bxe5 Qxe5 15. Nd4 Bb7 16. b4 a5 17. Be2 axb4 18. axb4 Qd6 19. Qb3 Rab8 20. O-O Ba8 21. Rb1 Rb6 22. Qa3 Rfb8 23. Rb3 Qf8 24. Rfb1 Nd7 25. d3 exd3 26. Bxd3 g6 27. h4 Bb7 28. Qc1 Ne5 29. Be2 Ba6 30. Bxa6 Rxa6 31. b5 cxb5 32. Rxb5 Rxb5 33. Rxb5 Qd6 34. h5 Ra8 35. Rc5 Nd3 36. Rc8+ Rxc8 37. Qxc8+ Kg7 38. Qc3 Ne5 39. f4 f6 40. fxe5 fxe5 41. Nf3 |
| ECO A04 in 1970 play it! olafsson fridrik defeats black's laszlo szabo in 63 moves | 1. Nf3 g6 2. d4 Bg7 3. e4 c5 4. c3 cxd4 5. cxd4 d6 6. h3 Nf6 7. Nc3 O-O 8. Bg5 Nc6 9. Be2 h6 10. Be3 d5 11. e5 Ne4 12. Rc1 Be6 13. Bd3 Bf5 14. O-O Nxc3 15. Rxc3 Bxd3 16. Qxd3 Qd7 17. Nh4 e6 18. f4 Ne7 19. g4 Rfc8 20. Rb3 Rc6 21. Qb5 b6 22. Bd2 Rd8 23. Qe2 Rc4 24. Rd3 Rc2 25. f5 exf5 26. gxf5 Nxf5 27. Nxf5 gxf5 28. Rg3 Qe6 29. Kh1 Kh8 30. Qg2 h5 31. Rxg7 Rxd2 32. Qxd2 |
| ECO A05 in 1969 play it! olafsson fridrik defeats black's kavalek lubomir in 43 moves | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 Nfd7 7. Nc3 e5 8. Qd2 Re8 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. O-O-O Nd7 12. h4 h5 13. f4 Bg7 14. g4 hxg4 15. h5 Nf8 16. h6 Bf6 17. Nd5 Bxb2+ 18. Kxb2 Nh7 19. Qc3 f6 20. Nxc7 Bf5 21. Qc4+ Kf8 22. Nxa8 |
| ECO A05 in 1969 play it! olafsson fridrik defeats black's wright josie in 77 moves | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d5 6. c4 c6 7. O-O Nbd7 8. Qc2 Re8 9. Nc3 Nb6 10. cxd5 cxd5 11. a4 a5 12. Nb5 Bd7 13. Bd4 Bxb5 14. axb5 Ne4 15. Bxg7 Kxg7 16. d3 Nf6 17. Qc3 Nd7 18. Bh3 Kg8 19. Bxd7 Nxd7 20. Rfc1 Qb6 21. Qc7 Qxb5 22. Nd4 Qb6 23. Qxb6 Nxb6 24. Rc7 a4 25. Rxb7 axb3 26. Rxa8 Nxa8 27. Nxb3 e6 28. Nc5 Rc8 29. Nd7 Kg7 30. Ne5 Rc7 31. Rb8 Ra7 32. f4 Nc7 33. g4 h6 34. g5 hxg5 35. fxg5 Na6 36. Re8 Nc7 37. Rd8 f6 38. Rd7+ Kg8 39. gxf6 |