| ECO A00 in 1988 play it! andersson ulf defeats black's karlgren lars ak in 33 moves | 1. b4 d5 2. Bb2 Qd6 3. a3 e5 4. e3 Nf6 5. Nf3 Nbd7 6. c4 c6 7. cxd5 Nxd5 8. Bc4 f6 9. d4 e4 10. Nfd2 f5 11. Qb3 N7f6 12. Nc3 Be7 13. b5 Be6 14. f3 Bd7 15. fxe4 fxe4 16. Nxd5 Nxd5 17. Nxe4 |
| ECO B31 in 1970 play it! andersson ulf defeats black's ozsvath andras in 107 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. h3 f6 11. exf6 exf6 12. Nc3 f5 13. Bf4 Be6 14. Bxc6 bxc6 15. Qc1 Qb6 16. Bh6 Rf7 17. Bxg7 Rxg7 18. Na4 Qc7 19. Ne5 g5 20. f3 Ng3 21. Nc5 Re8 22. Kh2 Nh5 23. Na6 Qe7 24. Qc5 Qf6 25. Rac1 g4 26. Qxc6 Rge7 27. Qc3 Qh4 28. fxg4 fxg4 29. Qe3 Rg7 30. Rc7 Rg5 31. Nf7 Rg6 32. Qe5 Nf6 33. Nd6 gxh3 34. Qxe6+ Rxe6 35. Rc8+ Kg7 36. Nf5+ Kf7 37. Rc7+ Kf8 38. Nxh4 Ng4+ 39. Kxh3 Nf2+ 40. Kh2 Rxe1 41. Nxg6+ hxg6 42. Rxa7 Re3 43. g3 Re2 44. Rb7 g5 45. Kg1 g4 46. Kf1 Rd2 47. Nc5 Nh1 48. Rb3 Nf2 49. Ke1 Rc2 50. a4 Nh3 51. a5 Ng1 52. Kd1 Rc4 53. a6 Rxd4+ 54. Rd3 |
| ECO B31 in 1970 play it! andersson ulf defeats black's makarichev serge in 119 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 Bd7 12. a4 Rc8 13. Bd2 Na5 14. Ng5 e6 15. Bd3 Nc4 16. Bxc4 Rxc4 17. a5 h6 18. Nf3 Qe7 19. Re3 Kh7 20. Ne1 f5 21. exf6 Rxf6 22. Nd3 Rf5 23. Qe1 Qd6 24. g4 Rf7 25. Ne5 Bxe5 26. Rxe5 Qe7 27. f4 Qf8 28. Qe3 Rc7 29. Kg2 Bc8 30. h4 Rf6 31. Rh1 Rcf7 32. Qe2 Kg8 33. Qd3 Bd7 34. Bc1 a6 35. Qg3 Rg7 36. g5 hxg5 37. hxg5 Rf5 38. Re2 Rh7 39. Rxh7 Kxh7 40. Re1 Kg8 41. Rh1 Rf7 42. Qh4 Rg7 43. f5 exf5 44. Bf4 Qa3 45. Qh8+ Kf7 46. Re1 Qb2+ 47. Kg1 Qxc3 48. Re7+ Kxe7 49. Qxg7+ Kd8 50. Qf6+ Ke8 51. Qxg6+ Kd8 52. Qf6+ Ke8 53. Qe5+ Kd8 54. Qf6+ Ke8 55. Qe5+ Kd8 56. g6 Qa1+ 57. Kf2 Qb2+ 58. Kg3 Qc3+ 59. Kh4 Qf3 60. Qb8+ |
| ECO B41 in 1969 play it! andersson ulf defeats black's espig lutz in 83 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f4 Be7 8. Qf3 O-O 9. O-O-O Qc7 10. g4 Nc6 11. g5 Nxd4 12. Bxd4 Nd7 13. Rg1 b5 14. f5 Ne5 15. Bxe5 dxe5 16. f6 Bc5 17. fxg7 Rd8 18. Rg3 Rxd1+ 19. Nxd1 Bb7 20. Bd3 Kxg7 21. Qh5 Rh8 22. Rf3 Bc6 23. Nf2 Bxf2 24. Rxf2 Be8 25. Qh6+ Kg8 26. Rd2 Qc5 27. Be2 Qe3 28. c3 Bc6 29. Bf3 a5 30. Qf6 Qf4 31. Bh5 Be8 32. Kd1 Qxf6 33. gxf6 h6 34. Rg2+ Kf8 35. h4 Rg8 36. Rxg8+ Kxg8 37. Kd2 Bc6 38. Kd3 Bd7 39. a4 bxa4 40. Kc4 Bc6 41. Bf3 Kh7 42. Kc5 |
| ECO B28 in 1969 play it! andersson ulf defeats black's bellon lopez jua in 41 moves | 1. e4 c5 2. Nf3 a6 3. Be2 b6 4. O-O Bb7 5. Nc3 Nc6 6. d4 cxd4 7. Nxd4 e6 8. Be3 Qc7 9. Nb3 Nf6 10. f4 d6 11. Bf3 O-O-O 12. Qe2 d5 13. exd5 exd5 14. Rad1 d4 15. Nxd4 Nxd4 16. Rxd4 Re8 17. Rc4 Bc5 18. Bxb7+ Kxb7 19. Qf3+ Kb8 20. Bxc5 b5 21. Rd1 |
| ECO B72 in 1970 play it! andersson ulf defeats black's filep tibor in 111 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 Nc6 8. h3 Qa5 9. O-O O-O 10. Bb3 Bd7 11. Re1 Rfe8 12. Qe2 Qh5 13. Qxh5 Nxh5 14. Rad1 Nxd4 15. Bxd4 Bc6 16. f3 Bxd4+ 17. Rxd4 Nf6 18. Kf2 a6 19. f4 Rad8 20. Red1 Rd7 21. e5 dxe5 22. fxe5 Rxd4 23. Rxd4 Nd7 24. e6 Ne5 25. exf7+ Nxf7 26. Rf4 e6 27. Ne4 Kg7 28. Rxf7+ Kxf7 29. Nd6+ Kf6 30. Nxe8+ Bxe8 31. c3 a5 32. Bd1 b6 33. Bf3 Bb5 34. Ke3 Ke5 35. b3 a4 36. c4 axb3 37. axb3 Ba6 38. Be4 b5 39. cxb5 Bxb5 40. h4 Be8 41. g4 Kd6 42. b4 Bb5 43. Bd3 Bc6 44. Bc4 Ba4 45. Be2 Bc2 46. g5 Bf5 47. Bc4 Bh3 48. Kd4 Bg2 49. b5 Bh3 50. b6 e5+ 51. Ke3 Bc8 52. Bg8 Ke7 53. Bd5 Kf8 54. Ke4 Kg7 55. Kxe5 Ba6 56. Kd6 |
| ECO B25 in 1969 play it! andersson ulf defeats black's doda zbigniew in 59 moves | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 Nf6 7. Be3 Rb8 8. O-O O-O 9. Kh1 b5 10. f3 b4 11. Ne2 Nd7 12. Rb1 Qa5 13. Qd2 Qxa2 14. Bh6 Qa5 15. Bxg7 Kxg7 16. f4 Nd4 17. Nxd4 cxd4 18. f5 Nf6 19. Rf4 Rh8 20. Rbf1 h6 21. Rh4 Bd7 22. g4 Qc5 23. Bf3 Rbg8 24. g5 hxg5 25. Rxh8 Rxh8 26. Nxg5 gxf5 27. Rg1 Kf8 28. Qg2 Ng4 29. exf5 Nxh2 30. Nh7+ |
| ECO B96 in 1969 play it! andersson ulf defeats black's lehmann karlhein in 65 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Bxf6 gxf6 9. Be2 Nc6 10. Nb3 b5 11. a3 Qb6 12. Qd2 h5 13. Bf3 Bb7 14. Qf2 Qxf2+ 15. Kxf2 h4 16. Rad1 O-O-O 17. Ne2 Be7 18. Ned4 Rd7 19. g4 Bd8 20. Rd3 Bb6 21. Kg2 Nxd4 22. Nxd4 d5 23. exd5 Bxd5 24. Bxd5 Rxd5 25. Rhd1 Bc7 26. Ne2 Rxd3 27. Rxd3 Bb6 28. Nc3 Rg8 29. Kf3 Bc5 30. Nxb5 Kb7 31. Nc3 Kc6 32. b4 Be7 33. Ne2 |
| ECO B48 in 1971 play it! andersson ulf defeats black's franklin michael in 95 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8. O-O Bd6 9. h3 Bf4 10. Bxf4 Qxf4 11. Nxc6 dxc6 12. a4 a5 13. Re1 e5 14. Bc4 O-O 15. Re3 Re8 16. Qd6 Qh4 17. Qc7 Be6 18. Bxe6 Rxe6 19. Rd1 Nh5 20. Red3 Ree8 21. Qxb7 Nf4 22. g3 Nxh3+ 23. Kg2 Nf4+ 24. gxf4 exf4 25. Qd7 Rf8 26. Qh3 Qg5+ 27. Kf3 g6 28. Qg4 Qc5 29. Qxf4 Rab8 30. Qf6 Rxb2 31. Rd8 Rb8 32. Rxb8 Rxb8 33. Rd7 Qh5+ 34. Kg3 g5 35. f3 Rf8 36. e5 h6 37. e6 Qh1 38. exf7+ Kh7 39. Qf5+ Kg7 40. Qe5+ Kh7 41. Qe4+ Kg7 42. Qd4+ Kh7 43. Ne4 Qe1+ 44. Kg2 Qe2+ 45. Nf2 Qxc2 46. Qd6 Kg7 47. Qe5+ Kh7 48. Qe7 |
| ECO C41 in 1970 play it! andersson ulf defeats black's cuellar gacharna in 101 moves | 1. e4 e5 2. Nf3 d6 3. d4 Qe7 4. Nc3 c6 5. Be2 Nf6 6. O-O Qc7 7. b4 Be7 8. Rb1 O-O 9. Be3 Bg4 10. Nd2 Bxe2 11. Qxe2 Nbd7 12. f4 Rfe8 13. Kh1 Bf8 14. Qf3 a5 15. a3 axb4 16. axb4 Ra3 17. Rb3 Rxb3 18. Nxb3 exf4 19. Bxf4 Qb6 20. g4 h6 21. b5 Qd8 22. g5 hxg5 23. Bxg5 Qc7 24. Nc1 Qa5 25. N1e2 Qb4 26. Qd3 Nh7 27. Bd2 Qa3 28. bxc6 bxc6 29. Qc4 Nhf6 30. Qxc6 Nb8 31. Qb5 Qa6 32. Qd3 Qxd3 33. cxd3 Nc6 34. Rb1 Ra8 35. Kg2 Ra6 36. Kf3 g6 37. Bf4 Ra3 38. d5 Nd4+ 39. Nxd4 Rxc3 40. Rb3 Rc5 41. Rb8 Rc3 42. Nc6 Kg7 43. Be3 Rxd3 44. Ke2 Rxe3+ 45. Kxe3 Ng4+ 46. Kf4 Nf2 47. Rb3 Kg8 48. h4 Nd1 49. Kf3 Bg7 50. e5 dxe5 51. Ke2 |
| ECO C85 in 1969 play it! andersson ulf defeats black's green ewen m in 127 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 f6 9. Nh4 Nf8 10. Nc4 Bd6 11. Be3 Be6 12. Nf5 Bxc4 13. dxc4 g6 14. Nxd6+ Qxd6 15. Qxd6 cxd6 16. Rad1 Rd8 17. Rd3 Ke7 18. Rfd1 Rd7 19. Rxd6 Rxd6 20. Bc5 Ne6 21. Bxd6+ Kf7 22. Bc7 Ke7 23. Ba5 Rb8 24. Bb6 c5 25. Rd5 Rc8 26. a4 a5 27. b3 Rc6 28. Bxa5 Nd4 29. Bd2 Nxc2 30. Be3 b6 31. Kf1 Nb4 32. Rd2 Rd6 33. Ke2 Nc6 34. Rb2 Ke6 35. f3 Rd7 36. Bd2 Na5 37. Bc3 Rd8 38. Rb1 Rd6 39. g3 g5 40. Bd2 Rd4 41. Be3 Rd6 42. Rb2 Nc6 43. Rb1 Na5 44. Rb2 Nc6 45. Rd2 Rxd2+ 46. Kxd2 Kd6 47. Kd3 Nd4 48. Bxd4 cxd4 49. b4 Kc6 50. g4 Kc7 51. Kc2 Kc6 52. Kd3 Kd6 53. c5+ bxc5 54. b5 Kc7 55. a5 Kd6 56. b6 Kd7 57. a6 Kc6 58. a7 Kb7 59. Kc4 Ka8 60. Kxc5 Kb7 61. Kd6 d3 62. a8=Q+ Kxa8 63. Kc7 d2 64. b7+ |
| ECO C26 in 1970 play it! andersson ulf defeats black's medinagarcia ant in 103 moves | 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Qf3 Bd6 12. Rae1 Rb8 13. Nd1 h6 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. b3 Be6 17. Ne3 Rfe8 18. Re2 Kf8 19. Rd1 f5 20. Nxf5 Bxf5 21. Rxe8+ Rxe8 22. Bxf5 Re5 23. Bd3 Bb4 24. Kf1 Rh5 25. h3 Re5 26. Be2 Bc3 27. Rd3 d4 28. Rf3 Ke7 29. Rf4 Re6 30. g3 Rf6 31. Rg4 Kf8 32. Bd3 c5 33. Bc4 Ba5 34. Ke2 Bc7 35. Rh4 Bd6 36. Rh5 Ke7 37. f4 Kf8 38. Kf3 Ke7 39. a4 Kf8 40. a5 Ke7 41. Ke4 Kf8 42. a6 Be7 43. g4 Kg7 44. h4 Rc6 45. Kf3 f6 46. Ke4 Rc7 47. Rd5 f5+ 48. Kxf5 Bxh4 49. Rd6 Bf2 50. Rd8 Be3 51. g5 hxg5 52. fxg5 |
| ECO C15 in 2007 play it! andersson ulf defeats black's velimirovic drag in 23 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Be7 6. Nxe4 Nc6 7. g3 Nf6 8. Bg2 e5 9. Nxf6+ Bxf6 10. d5 Ne7 11. Nc3 Bf5 12. g4 |
| ECO C05 in 1969 play it! andersson ulf defeats black's lahti jouko in 65 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 Qb6 8. Nf3 Be7 9. O-O cxd4 10. cxd4 O-O 11. Nf4 Nd8 12. Nh5 f5 13. exf6 gxf6 14. Bh6 Rf7 15. Qd2 e5 16. Bf5 Ne6 17. Rac1 Ndf8 18. Bh3 e4 19. Nh4 Bd7 20. Qe3 Ng6 21. Nf5 Bd8 22. b3 Kh8 23. f3 Ng5 24. Bxg5 Bxf5 25. Bxf5 fxg5 26. fxe4 dxe4 27. Qxe4 Re7 28. Bxg6 hxg6 29. Rf8+ Kh7 30. Qg4 Rc7 31. Rcf1 Qd6 32. Nf6+ Bxf6 33. Qh3+ |
| ECO B17 in 1999 play it! andersson ulf defeats black's mekhitarian krik in 57 moves | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bc4 Bf5 8. Qe2 e6 9. Bg5 Be7 10. O-O-O O-O 11. Ne5 Nd7 12. Bxe7 Qxe7 13. Nxd7 Qxd7 14. g4 Bg6 15. h4 Qc7 16. Qe3 h5 17. gxh5 Bxh5 18. Rdg1 Kh7 19. Rg5 g6 20. Rhg1 Qe7 21. Bd3 f5 22. Be2 Bxe2 23. Qxe2 Rf6 24. h5 Rg8 25. Qe3 Qf7 26. Qh3 Kg7 27. hxg6 Qe7 28. Qh7+ Kf8 29. g7+ |
| ECO B07 in 1969 play it! andersson ulf defeats black's hartoch robert g in 79 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 e5 7. O-O Nc6 8. dxe5 dxe5 9. Bg5 Be6 10. Nd5 Bxd5 11. exd5 Ne7 12. f4 exf4 13. Rxf4 Ne8 14. Rb4 Nd6 15. Qd2 Qd7 16. Rf1 Rae8 17. Nc3 b5 18. Ne4 Nxe4 19. Rxe4 Nc8 20. Rh4 f5 21. b3 Nd6 22. c4 bxc4 23. bxc4 Nf7 24. Be3 Bf6 25. Rhf4 Re7 26. R4f2 Nd6 27. Bxa7 Nxc4 28. Qb4 Ne3 29. Bxe3 Rxe3 30. g4 Bh4 31. Rc2 Bg5 32. Qc4 Qd6 33. gxf5 Rxf5 34. Qxc7 Rxf1+ 35. Bxf1 Qb4 36. d6 Qd4 37. Qc4+ Qxc4 38. Bxc4+ Kf8 39. Rf2+ Ke8 40. Bb5+ |
| ECO B06 in 1971 play it! andersson ulf defeats black's mecking henrique in 83 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 O-O 6. O-O Bg4 7. Be3 e5 8. Qd2 Nc6 9. dxe5 dxe5 10. Rad1 Qe7 11. Bg5 Bxf3 12. Bxf3 Nd4 13. Nd5 Qd6 14. c3 Nxf3+ 15. gxf3 Nxd5 16. Qxd5 Qa6 17. Kg2 Rab8 18. b4 Bf6 19. Be3 Rfd8 20. Qc5 Qxa2 21. Qxc7 Rdc8 22. Qd6 Qa6 23. Bxa7 Qxa7 24. Qxf6 Rxc3 25. Qxe5 Rcc8 26. Rd7 Qb6 27. Rfd1 Re8 28. Qf4 Rf8 29. Rxf7 Qe6 30. Rxf8+ Rxf8 31. Qd6 Qf7 32. Rd3 Re8 33. Rc3 Re7 34. b5 Rd7 35. Qe5 Qe7 36. Rc8+ Kf7 37. Qf4+ Ke6 38. b6 Qd6 39. Re8+ Re7 40. e5 Qc5 41. Qf6+ Kd7 42. e6+ |
| ECO B06 in 1971 play it! andersson ulf defeats black's mecking henrique in 83 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 O-O 6. O-O Bg4 7. Be3 e5 8. Qd2 Nc6 9. dxe5 dxe5 10. Rad1 Qe7 11. Bg5 Bxf3 12. Bxf3 Nd4 13. Nd5 Qd6 14. c3 Nxf3+ 15. gxf3 Nxd5 16. Qxd5 Qa6 17. Kg2 Rab8 18. b4 Bf6 19. Be3 Rfd8 20. Qc5 Qxa2 21. Qxc7 Rdc8 22. Qd6 Qa6 23. Bxa7 Qxa7 24. Qxf6 Rxc3 25. Qxe5 Rcc8 26. Rd7 Qb6 27. Rfd1 Re8 28. Qf4 Rf8 29. Rxf7 Qe6 30. Rxf8+ Rxf8 31. Qd6 Qf7 32. Rd3 Re8 33. Rc3 Re7 34. b5 Rd7 35. Qe5 Qe7 36. Rc8+ Kf7 37. Qf4+ Ke6 38. b6 Qd6 39. Re8+ Re7 40. e5 Qc5 41. Qf6+ Kd7 42. e6+ |
| ECO B02 in 1969 play it! andersson ulf defeats black's castro oscar her in 43 moves | 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 b6 7. e5 Bc5 8. Qf4 Qe7 9. Be2 Ng8 10. Nd5 Qd8 11. e6 dxe6 12. Nxc7+ Kf8 13. Nxa8 Bd6 14. Qd4 e5 15. Qd3 Bb7 16. Bg5 f6 17. O-O-O Ke7 18. Be3 Bxa8 19. Rd2 e4 20. Qa6 Qc7 21. Rhd1 Bb7 22. Qxa7 |
| ECO D30 in 2007 play it! andersson ulf defeats black's san segundo pabl in 79 moves | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 b6 9. Bf4 Bb7 10. Nbd2 Nbd7 11. e4 Rc8 12. Rad1 b5 13. c5 a5 14. a3 Nh5 15. Be3 f5 16. exf5 exf5 17. Nb3 Ra8 18. Bd2 Kh8 19. Rfe1 Rf7 20. Nc1 g6 21. Nd3 Bf6 22. Qc1 Ng7 23. Bg5 Qc7 24. Bxf6 Nxf6 25. Nf4 Kg8 26. Re5 Ne4 27. Re1 b4 28. h4 bxa3 29. bxa3 Bc8 30. Ng5 Nxg5 31. hxg5 Bb7 32. Qe3 Qd8 33. Ne6 Nxe6 34. Rxe6 f4 35. gxf4 Qf8 36. Qe5 Rd8 37. Rf6 Bc8 38. Rxc6 Bd7 39. Rf6 Re8 40. Bxd5 |