| ECO A30 in 2007 play it! jakobsen ole defeats black's stojanovski sand in 86 moves | 1. c4 c5 2. Nf3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. Nc3 Nc7 7. O-O e5 8. b3 Bd7 9. Bb2 Be7 10. Rc1 f6 11. Ne1 O-O 12. Nd3 Ne6 13. f4 exf4 14. gxf4 Ned4 15. e3 Nf5 16. Nd5 b6 17. b4 cxb4 18. N5xb4 Nxb4 19. Nxb4 Bxb4 20. Qb3+ Kh8 21. Qxb4 Rc8 22. Ba3 Rg8 23. Bd5 Re8 24. Bf7 a5 25. Qb1 Rxc1 26. Rxc1 Nh4 27. Bxe8 Qxe8 28. Qd3 Bf5 29. Qd5 Qg6+ 30. Kf2 h5 31. Rg1 Qe8 32. Qd6 Ng6 33. Qxb6 Qe4 34. Qc5 Bg4 35. Rxg4 hxg4 36. Qc8+ Kh7 37. Qxg4 Qd5 38. Bc1 Qc5 39. Bb2 Ne7 40. Bc3 a4 41. Qd7 Nd5 42. Qxa4 Nxe3 43. dxe3 Qxc3 |
| ECO A13 in 2007 play it! jakobsen ole defeats black's thorfinnsson bra in 133 moves | 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c5 7. cxd5 Nxd5 8. Bb2 Nc6 9. Nc3 Bf6 10. Qc1 b6 11. Nxd5 exd5 12. d4 Nxd4 13. Nxd4 cxd4 14. Qd2 Ba6 15. Rfe1 d3 16. exd3 Bb7 17. Bxf6 Qxf6 18. d4 Rac8 19. Re5 Qd6 20. Rae1 a5 21. h4 Bc6 22. Qe2 Ra8 23. Kh2 h6 24. Rc1 Rac8 25. Qe3 Rcd8 26. Bh3 Bd7 27. Bxd7 Qxd7 28. Re7 Qd6 29. Rcc7 Qf6 30. Kg2 Rc8 31. Qf3 Rxc7 32. Qxf6 gxf6 33. Rxc7 Re8 34. Rb7 Re6 35. Kf3 Rc6 36. Ke3 Rc2 37. Rxb6 Rxa2 38. Rb5 Rb2 39. f3 Kg7 40. Rxa5 Rxb3+ 41. Kf4 Rb1 42. Rxd5 Re1 43. g4 Re2 44. h5 Re6 45. Kf5 Re3 46. Kf4 Re1 47. Rd6 Re2 48. Rc6 Re1 49. Rc3 Rd1 50. Ke4 f5+ 51. gxf5 Kf6 52. d5 Re1+ 53. Kf4 Rd1 54. Rc6+ Ke7 55. Rc7+ Kf6 56. Rc6+ Ke7 57. Rxh6 Rxd5 58. Ra6 Rd1 59. f6+ Kd7 60. Kg5 Rh1 61. f4 Rg1+ 62. Kf5 Rh1 63. Kg5 Rg1+ 64. Kh6 Rg4 65. f5 Rh4 66. Ra7+ Ke8 67. Ra8+ |
| ECO A16 in 1988 play it! jakobsen ole defeats black's hansen soren b in 127 moves | 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. d3 Bg7 7. Be3 O-O 8. Qd2 Nc6 9. Bxc6 bxc6 10. Bh6 c5 11. Bxg7 Kxg7 12. Nf3 Bb7 13. Qe3 c4 14. O-O-O Bxf3 15. Qxf3 Qd4 16. e3 Qc5 17. d4 Qb4 18. Qc6 Rab8 19. Rd2 Qd6 20. Qc5 Rfd8 21. Rhd1 a6 22. h4 Re8 23. f4 f6 24. e4 e5 25. fxe5 fxe5 26. Qxd6 cxd6 27. dxe5 dxe5 28. Rd6 Rf8 29. Re6 Rf2 30. Rd2 Rf1+ 31. Kc2 Rg1 32. Rxe5 Rxg3 33. h5 Rb7 34. a4 Kf6 35. Rc5 gxh5 36. Rxh5 Kg6 37. Rc5 Nd7 38. Rxc4 Ne5 39. Rc5 Rg5 40. Nd5 Nf3 41. Nf4+ Kf7 42. Rxg5 Nxg5 43. Rd6 Nxe4 44. Rxa6 Rc7+ 45. Kd1 Nc5 46. Ra5 Nb3 47. Rf5+ Ke8 48. Ne2 Rc4 49. Rb5 Nc5 50. a5 Nd7 51. b4 Rc6 52. Kd2 Kd8 53. Nd4 Rg6 54. Rf5 Kc8 55. Kd3 h6 56. Rh5 Kb7 57. Kc4 Ka6 58. Rd5 Nb8 59. Rd8 Nc6 60. b5+ Kxa5 61. bxc6 Kb6 62. Rb8+ Kc7 63. Rb7+ Kc8 64. Rh7 |
| ECO A15 in 1969 play it! jakobsen ole defeats black's moe mogens in 71 moves | 1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2 c6 7. Bd3 dxc4 8. Bxc4 b5 9. Be2 Nbd7 10. O-O Rb8 11. Qc2 Re8 12. Rfd1 Nd5 13. Rac1 Nxc3 14. Bxc3 Qb6 15. b4 Bb7 16. Qb3 e6 17. Nd2 Qd8 18. Ne4 Qe7 19. Bb2 Rbd8 20. Nc5 Nb6 21. Ba1 Rd6 22. a4 bxa4 23. Nxa4 Nd5 24. Nc5 Rb8 25. e4 Nb6 26. Bf3 e5 27. dxe5 Bxe5 28. Bxe5 Qxe5 29. Rxd6 Qxd6 30. Rd1 Qc7 31. Qd3 Qe7 32. Qd4 Ra8 33. e5 Nd5 34. b5 cxb5 35. Nxb7 Nb6 36. Qd6 |
| ECO A02 in 1962 play it! jakobsen ole defeats black's bonne mark by checkmate in 53 moves | 1. f4 e5 2. e4 exf4 3. Nf3 d5 4. exd5 Nf6 5. c4 c6 6. Nc3 cxd5 7. d4 Bb4 8. Bd3 O-O 9. O-O Be6 10. c5 Bxc3 11. bxc3 Ne4 12. Bxf4 f5 13. Qb3 Qc8 14. c4 Nxc5 15. dxc5 dxc4 16. Qc3 cxd3 17. Bd6 Re8 18. Ng5 h6 19. Nxe6 Qxe6 20. Rae1 Qg6 21. Rxe8+ Qxe8 22. Re1 Qh5 23. Qxd3 Nc6 24. Rf1 Re8 25. Rxf5 Re1+ 26. Kf2 Qd1 27. Rf8# |
| ECO A00 in 1962 play it! jakobsen ole defeats black's calvo minguez ri in 125 moves | 1. g3 Nf6 2. Bg2 g6 3. d4 Bg7 4. e4 d6 5. Ne2 O-O 6. O-O c5 7. d5 a6 8. a4 e6 9. c4 exd5 10. cxd5 Re8 11. Nd2 Nbd7 12. Nc3 Qc7 13. Nc4 Ne5 14. Nxe5 Rxe5 15. Re1 Bd7 16. h3 Ree8 17. f4 h6 18. Be3 Rac8 19. Bf2 Nh7 20. g4 b5 21. axb5 axb5 22. e5 b4 23. Ne4 dxe5 24. Nxc5 exf4 25. Rxe8+ Bxe8 26. d6 Qd8 27. d7 Bxd7 28. Nxd7 Bxb2 29. Rb1 Ba3 30. Qd6 Nf8 31. Nf6+ Kg7 32. Qxd8 Rxd8 33. Nd5 Ne6 34. Nxb4 Rb8 35. Be1 Nc5 36. Bf1 g5 37. Bc4 Kg6 38. Ba2 h5 39. Nc6 Rxb1 40. Bxb1+ Kh6 41. Bc3 hxg4 42. hxg4 Ne6 43. Ne5 Bc5+ 44. Kg2 Kg7 45. Ba2 Bd4 46. Nxf7 Bxc3 47. Bxe6 Kf6 48. Ba2 Ba5 49. Nd6 Bd8 50. Kf3 Be7 51. Nf5 Bc5 52. Ke4 Ba7 53. Nd4 Bc5 54. Nf3 Bb4 55. Kd5 Ba3 56. Nd2 Bc1 57. Ne4+ Kg6 58. Bc4 Ba3 59. Be2 Be7 60. Ke6 Bd8 61. Bf3 Kg7 62. Kf5 Kh6 63. Nc5 |
| ECO A00 in 1961 play it! jakobsen ole defeats black's firth m in 81 moves | 1. b4 Nf6 2. Bb2 e6 3. a3 d5 4. Nf3 c5 5. bxc5 Bxc5 6. e3 Nc6 7. d4 Be7 8. Nbd2 O-O 9. Bd3 Rb8 10. c4 Na5 11. O-O Nxc4 12. Nxc4 dxc4 13. Bxc4 b5 14. Bd3 Bb7 15. Ne5 Qb6 16. Qe2 a6 17. e4 Rbd8 18. Kh1 Ne8 19. f4 Bf6 20. Nf3 g6 21. a4 Bg7 22. axb5 axb5 23. Bc3 Nd6 24. Ba5 Qc6 25. Bxd8 Rxd8 26. Rfc1 Qb6 27. Rab1 b4 28. e5 Nf5 29. Be4 Ba6 30. Qb2 Bf8 31. Qf2 Be7 32. Bxf5 gxf5 33. Rb3 Kf8 34. h3 h6 35. Qd2 Bb7 36. Re3 Bd5 37. Rb1 b3 38. Qb2 Ra8 39. Rc3 Ra2 40. Rxb3 Rxb2 41. Rxb6 |
| ECO B90 in 1978 play it! jakobsen ole defeats black's ghitescu theodor in 67 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 O-O 9. h3 Be6 10. Bb3 b5 11. Qd3 Nc6 12. Bg5 h6 13. Bxf6 Bxf6 14. O-O Rc8 15. Rfd1 Be7 16. Nd5 Bxd5 17. Qxd5 Qb6 18. c3 Na5 19. Qd3 Nc4 20. Rab1 g6 21. Qe2 Kg7 22. Bxc4 Rxc4 23. Nd2 Rc6 24. Nf1 f5 25. exf5 Rxf5 26. Ne3 Rf7 27. Rd3 Qa7 28. Rbd1 Rc8 29. Qg4 Rcf8 30. Rxd6 Bxd6 31. Rxd6 g5 32. Qe4 Rf6 33. Qxe5 Qc7 34. Qd4 |
| ECO B27 in 1978 play it! jakobsen ole defeats black's filipowicz andre in 75 moves | 1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 Na6 5. Nc3 d6 6. Be2 Nf6 7. O-O O-O 8. Kh1 Bg4 9. d5 Nc7 10. Be3 a6 11. a4 b6 12. h3 Bd7 13. Rb1 b5 14. axb5 axb5 15. cxb5 Rb8 16. b4 Nxb5 17. Bxb5 Rxb5 18. e5 dxe5 19. Bxc5 Rb7 20. Nxe5 Bf5 21. Rc1 Re8 22. Re1 Bh6 23. Nc6 Qc8 24. Be3 Bf8 25. Qf3 e5 26. Bg5 e4 27. Qe3 Bg7 28. Bh6 Bh8 29. b5 Qd7 30. Red1 Bg7 31. Bxg7 Kxg7 32. Rc2 h5 33. d6 Re6 34. Rcd2 Re8 35. Ne7 Be6 36. Qd4 Bf5 37. Qe5 Bxh3 38. Ncd5 |
| ECO B40 in 1978 play it! jakobsen ole defeats black's kristiansen jens in 69 moves | 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. O-O Ne7 9. Nbd2 O-O 10. Nb3 Bd6 11. Nbd4 Bg4 12. Qa4 Nxd4 13. Nxd4 a6 14. Bd3 Bc7 15. Qc2 h6 16. f4 Qd6 17. Be3 Rfe8 18. Qf2 Nc6 19. Nxc6 bxc6 20. h3 Bh5 21. Bc5 Qd7 22. Rae1 Bd6 23. Bxd6 Qxd6 24. b4 f6 25. Rxe8+ Bxe8 26. Qb6 a5 27. bxa5 Qa3 28. a6 Qxc3 29. Rf3 Qe1+ 30. Kh2 Qe7 31. Re3 Qd6 32. a7 Qxf4+ 33. Rg3 Qe5 34. Qb7 f5 35. Qxa8 |
| ECO B33 in 1965 play it! jakobsen ole defeats black's hansen victor ju in 47 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O a6 9. f4 h6 10. Bxf6 gxf6 11. Be2 Bd7 12. Rhf1 Qc7 13. Bh5 Rh7 14. f5 O-O-O 15. Bxf7 Nxd4 16. Bg6 Rg7 17. Qxd4 Qc5 18. Qd2 Rh8 19. fxe6 Rxg6 20. exd7+ Kxd7 21. Rf5 Qc4 22. Kb1 Rhg8 23. g3 Rg5 24. Nd5 |
| ECO B27 in 1961 play it! jakobsen ole defeats black's keogh eamon in 37 moves | 1. e4 c5 2. Nf3 Qc7 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. a3 b5 7. Be3 Bb7 8. Bd3 b4 9. axb4 Bxb4 10. O-O Bxc3 11. bxc3 Nf6 12. Nb3 Nxe4 13. Bxe4 Bxe4 14. Qd4 Bxc2 15. Qxg7 Rf8 16. Bh6 Qd6 17. Nd4 Bg6 18. Nb5 Qc6 19. Qxf8+ |
| ECO B41 in 1978 play it! jakobsen ole defeats black's rosenlund thorbj in 69 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3 11. Nxf3 Ng4 12. Qe2 g6 13. Kh1 b4 14. Nd5 Qa5 15. Ne3 Nxe3 16. Bxe3 dxe5 17. fxe5 Bg7 18. a3 bxa3 19. Rxa3 Qb4 20. Rb3 Qa4 21. Ra3 Qc6 22. Bd4 O-O 23. Rfa1 Rac8 24. c3 Qb5 25. Qc2 Rc6 26. Ra5 Qb7 27. Qe2 Ra8 28. b4 Qc7 29. b5 Rxc3 30. Bxc3 Qxc3 31. bxa6 Nc5 32. a7 Nb3 33. Qe4 Nxa5 34. Qxa8+ Bf8 35. Qxf8+ |
| ECO B64 in 1968 play it! jakobsen ole defeats black's petersen sejer h in 81 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7 11. Bxe7 Qxe7 12. Nf3 Nb6 13. Bd3 Bd7 14. Qe1 f5 15. exf6 Qxf6 16. g3 Rae8 17. Qd2 Re7 18. Rde1 Be8 19. Ne5 Nxe5 20. Rxe5 Nd7 21. Ree1 Nc5 22. Re5 Bc6 23. Rhe1 Nd7 24. R5e2 a6 25. Nd1 Nc5 26. Nf2 Ree8 27. Ng4 Qd8 28. Re5 Bb5 29. Bxb5 axb5 30. Nf2 Qf6 31. Qb4 Rc8 32. Qxb5 Qh6 33. Ng4 Qg6 34. Rg5 Nd3+ 35. Kb1 Qxg5 36. fxg5 Nxe1 37. Qe2 Nxc2 38. Qxe6+ Kh8 39. b3 d4 40. Ne5 Rc7 41. g6 |
| ECO B27 in 1961 play it! jakobsen ole defeats black's keogh eamon by checkmate in 37 moves | 1. e4 c5 2. Nf3 Qc7 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. a3 b5 7. Be3 Bb7 8. Bd3 b4 9. axb4 Bxb4 10. O-O Bxc3 11. bxc3 Nf6 12. Nb3 Nxe4 13. Bxe4 Bxe4 14. Qd4 Bxc2 15. Qxg7 Rf8 16. Bh6 Qd6 17. Nd4 Bg6 18. Nb5 Qc6 19. Qxf8# |
| ECO B24 in 1970 play it! jakobsen ole defeats black's palmer bernard in 89 moves | 1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. d3 e6 6. Nh3 Be7 7. O-O a6 8. f4 Qc7 9. Nf2 Bd7 10. Be3 b5 11. Ne2 Rc8 12. c3 e5 13. f5 O-O 14. g4 h6 15. Qd2 Nh7 16. Ng3 Bg5 17. Nh5 Bxe3 18. Qxe3 Qd8 19. Nh1 Nf6 20. Nxf6+ Qxf6 21. Qg3 g5 22. fxg6 Qxg6 23. h3 Be6 24. Rf2 Rc7 25. Raf1 f6 26. Qh4 Rcf7 27. Ng3 Qg5 28. Qxg5+ fxg5 29. Nf5 Kh7 30. a3 c4 31. Rd1 Na5 32. dxc4 Nxc4 33. b3 Ne3 34. Rxd6 Nxf5 35. exf5 Bxb3 36. Rxa6 Rc7 37. Rd2 Rxc3 38. Rd7+ Bf7 39. Raa7 Kg7 40. Bd5 Rc1+ 41. Kf2 Rc2+ 42. Ke1 Rh2 43. Rxf7+ Rxf7 44. Rxf7+ Kh8 45. f6 |
| ECO B32 in 1964 play it! jakobsen ole defeats black's blom kaj in 51 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be3 a6 7. f4 d6 8. Qf3 Nf6 9. Bd3 Be7 10. O-O O-O 11. a3 Bd7 12. Qg3 Kh8 13. Rae1 Rac8 14. Nf3 e5 15. Nd5 exf4 16. Bxf4 Nh5 17. Qf2 Qd8 18. Be3 Be6 19. Bb6 Qd7 20. Nxe7 Nxe7 21. Qh4 Nf6 22. e5 dxe5 23. Nxe5 Qd6 24. Rxf6 Qxb6+ 25. Kh1 g6 26. Nd7 |
| ECO B28 in 1961 play it! jakobsen ole defeats black's westerinen heikk in 67 moves | 1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 Nf6 7. O-O Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd8 11. Rc1 O-O 12. Bd3 Nd5 13. Nxd5 Qxd5 14. a3 Bd7 15. Qe2 Rac8 16. Rfd1 b5 17. Bf4 f5 18. Bb1 Na5 19. Ne5 Nb3 20. Rxc8 Bxc8 21. Qd3 Bb7 22. Nf3 a5 23. Qe3 Bf6 24. Ba2 a4 25. Rd3 Kh8 26. h3 Rd8 27. Bxb3 axb3 28. Rxb3 g5 29. Bxg5 Bxg5 30. Qxg5 Rd7 31. Re3 Rg7 32. Qf6 Kg8 33. Rxe6 Rxg2+ 34. Kh1 |
| ECO C92 in 1971 play it! jakobsen ole defeats black's kostro jerzy in 107 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Nb6 11. Nbd2 Bf6 12. Nf1 Re8 13. N1h2 Na5 14. Bc2 c5 15. dxc5 dxc5 16. Ng4 Nc6 17. Qe2 Be6 18. Rd1 Nd7 19. Ne3 Ne7 20. Nd5 Bxd5 21. exd5 Nc8 22. d6 Rb8 23. a4 g6 24. axb5 axb5 25. Be4 Qb6 26. Bg5 Bxg5 27. Nxg5 Nxd6 28. Qf3 Re7 29. Bc6 e4 30. Qf4 Qxc6 31. Rxd6 Qb7 32. Nxh7 Kg7 33. Nf6 Nxf6 34. Qxf6+ Kg8 35. Rad1 Qc7 36. h4 Kh7 37. R1d5 Re6 38. Rxe6 fxe6 39. Qxe6 Rd8 40. Rxd8 Qxd8 41. Qxe4 Qd2 42. Qe7+ Kg8 43. Qxc5 Qc1+ 44. Kh2 Qxb2 45. Qd5+ Kh7 46. Qf7+ Kh6 47. Qf6 Kh7 48. f4 Qe2 49. f5 gxf5 50. Qxf5+ Kg7 51. h5 Qc4 52. Qg6+ Kh8 53. Qf6+ Kh7 54. h6 |
| ECO C26 in 1978 play it! jakobsen ole defeats black's garcia gildardo in 91 moves | 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 d6 5. d4 exd4 6. Qxd4 Bd7 7. Bxc6 Bxc6 8. Bg5 Be7 9. O-O-O O-O 10. Rhe1 Re8 11. Kb1 h6 12. Bc1 Ng4 13. Nd5 Bf6 14. Qd2 Bxd5 15. exd5 Qd7 16. h3 Ne5 17. Nxe5 Bxe5 18. Qd3 Bf6 19. g4 Rxe1 20. Rxe1 Re8 21. Qf5 Qd8 22. Re4 Rxe4 23. Qxe4 Qe7 24. Qxe7 Bxe7 25. c4 Bf6 26. Be3 a6 27. Kc2 Kf8 28. b4 Ke7 29. Kd3 b5 30. c5 Kd7 31. c6+ Ke8 32. Bd2 Kf8 33. Ke4 Kg8 34. Bf4 Be7 35. h4 Kf8 36. h5 Ke8 37. Kf5 Kf8 38. Be3 Kg8 39. Bd4 Kh7 40. f4 Kg8 41. g5 Bd8 42. gxh6 gxh6 43. Bf6 Bxf6 44. Kxf6 Kf8 45. f5 Ke8 46. Kg7 |