| ECO B07 in 2000 play it! nijboer friso defeats white's magem badals jor in 68 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bg5 c6 5. Qd2 b5 6. f4 Nf6 7. Bd3 O-O 8. Nf3 Bg4 9. O-O-O Nbd7 10. f5 b4 11. Ne2 d5 12. exd5 Nxd5 13. fxg6 fxg6 14. h4 Qa5 15. Kb1 Be6 16. Qe1 Rxf3 17. gxf3 Bf7 18. Nc1 Qb6 19. Be4 N7f6 20. h5 Nxh5 21. Rxh5 gxh5 22. Qg1 Kh8 23. Bxd5 cxd5 24. Bxe7 a5 25. Bc5 Qf6 26. Nd3 Rc8 27. f4 Bg6 28. Ne5 Be4 29. Qe3 Qf5 30. Qf2 Rxc5 31. dxc5 Bxe5 32. c6 Qxf4 33. Qxf4 Bxf4 34. Rf1 Be5 |
| ECO B07 in 2000 play it! nijboer friso defeats white's berkvens joost in 36 moves | 1. e4 d6 2. d4 g6 3. g3 Bg7 4. Bg2 Nf6 5. Nc3 O-O 6. Nge2 e5 7. h3 c6 8. a4 a5 9. O-O Na6 10. Be3 Nb4 11. f4 Nh5 12. Kh2 f5 13. exf5 Bxf5 14. Ne4 exf4 15. Nxf4 Bxe4 16. Bxe4 Qe7 17. Nxg6 hxg6 18. Bxg6 Nxg3 |
| ECO B07 in 1994 play it! nijboer friso defeats white's fontaine robert in 42 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nc6 5. Be3 Nf6 6. Nf3 O-O 7. Be2 e6 8. O-O Ne7 9. Qe1 b6 10. Qh4 d5 11. Ng5 h6 12. f5 dxe4 13. fxe6 hxg5 14. Bxg5 Qxd4+ 15. Kh1 fxe6 16. Rad1 Qe5 17. Bf4 g5 18. Bxg5 Ng6 19. Bxf6 Nxh4 20. Bxe5 Bxe5 21. Nxe4 Bb7 |
| ECO B08 in 1983 play it! nijboer friso defeats white's wagner h in 62 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Bg4 7. Be3 Nc6 8. Qd2 e5 9. d5 Ne7 10. a4 Bd7 11. Rad1 Ng4 12. Bg5 h6 13. Bxe7 Qxe7 14. Nb5 a6 15. Na3 Nf6 16. Bd3 Nh5 17. Ne1 f5 18. f3 f4 19. a5 g5 20. c4 Rf6 21. b4 Rg6 22. Qc2 Bf8 23. Rc1 Nf6 24. c5 g4 25. Qb3 Qg7 26. cxd6 Bxd6 27. Nc4 gxf3 28. Rxf3 Nh7 29. Kh1 Rf8 30. Rf1 Bg4 31. Rc2 Bd1 |
| ECO B09 in 1994 play it! nijboer friso defeats white's vedder henk in 100 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 Nc6 9. Be3 Qa5 10. O-O Bg4 11. h3 Bxf3 12. Qxf3 O-O 13. Nd1 Nb4 14. Nf2 Nxd3 15. cxd3 Nd7 16. Qe2 Rac8 17. a3 Qb5 18. Rac1 Nb6 19. b4 Na4 20. f5 gxf5 21. Qh5 Qe5 22. Qxf5 Qxf5 23. exf5 Nc3 24. Rce1 Nd5 25. Bg5 f6 26. Bc1 Rc3 27. Ng4 Rxd3 28. Ne3 Kf7 29. Nxd5 Rxd5 30. Be3 Rd3 31. a4 a6 32. Bb6 Rc8 33. Re2 Rd5 34. Rfe1 Re5 35. g4 Rc4 36. a5 e6 37. fxe6+ Kxe6 38. Kf2 f5 39. gxf5+ Kxf5 40. Kg3 Rxe2 41. Rxe2 Be5+ 42. Kg2 Rxb4 43. Rf2+ Ke6 44. Rf8 Rb3 45. Rb8 Rg3+ 46. Kf2 Rg7 47. Ke3 Kd5 48. h4 h5 49. Rf8 Rg3+ 50. Ke2 Ke4 |
| ECO B07 in 2000 play it! nijboer friso defeats white's reinaldo castine in 52 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 c6 5. a4 Nf6 6. h3 O-O 7. g4 e5 8. Bg2 exd4 9. Bxd4 d5 10. exd5 cxd5 11. Nge2 Nc6 12. Be3 h5 13. gxh5 Nxh5 14. Bxd5 Bf5 15. Bxc6 bxc6 16. Qxd8 Rfxd8 17. Rc1 Rab8 18. b3 c5 19. Bxc5 Rbc8 20. b4 a5 21. O-O axb4 22. Bxb4 Rc4 23. Na2 Bxh3 24. Rfe1 Be6 25. Ng3 Nxg3 26. fxg3 Rg4 |
| ECO B08 in 1989 play it! nijboer friso defeats white's van der werf mar in 121 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nc6 7. d5 Nb8 8. h3 c6 9. a4 Nbd7 10. Re1 Qc7 11. Bf4 Nh5 12. Bg5 Nc5 13. Nd4 Nf6 14. Bf1 Re8 15. Qd2 a5 16. Rad1 Bd7 17. b3 Na6 18. Bc4 Nb4 19. Re2 Rac8 20. Bh6 Bh8 21. Nf3 Qb8 22. Nd4 Nxe4 23. Rxe4 cxd5 24. Nxd5 Nxd5 25. Bxd5 e6 26. Bxe6 fxe6 27. c4 Rc5 28. Nb5 d5 29. cxd5 Rxd5 30. Qe2 Rxd1+ 31. Qxd1 Bc6 32. Re3 Qd8 33. Qxd8 Rxd8 34. Rxe6 Kf7 35. Rd6 Rxd6 36. Nxd6+ Ke6 37. Nc4 Bc3 38. f3 Bd5 39. Kf2 b5 40. axb5 a4 41. Bc1 Bf6 42. Ke3 axb3 43. Nb2 Bg5+ 44. f4 Bd8 45. g3 Bg2 46. Na4 Kd5 47. Kd3 Bxh3 48. Kc3 Bc8 49. b6 Bb7 50. Kxb3 Bc6 51. b7 Bxb7 52. Kc2 Bc6 53. Nc3+ Kd4 54. Bd2 Bd7 55. Kd1 Kd3 56. Na2 h5 57. Ke1 Bb6 58. Nc3 Be3 59. Bxe3 Kxe3 60. Kf1 Kf3 61. Kg1 |
| ECO B07 in 1992 play it! nijboer friso defeats white's bronstein david in 60 moves | 1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. Nf3 O-O 6. h3 Na6 7. Bg5 Qe8 8. Bd3 e5 9. d5 Nh5 10. g3 f5 11. Bd2 Nc5 12. Bc2 fxe4 13. Nxe4 Nxe4 14. Bxe4 Nf6 15. Bc2 e4 16. Ng5 h6 17. Ne6 Bxe6 18. dxe6 Qxe6 19. Qe2 Rae8 20. Be3 Kh7 21. O-O-O b5 22. Bb3 bxc4 23. Qxc4 d5 24. Qc5 c6 25. Kb1 Nd7 26. Qa5 Ne5 27. Rd2 Nd3 28. Rc2 Qf6 29. Rd1 c5 30. Bxd5 Nxb2 |
| ECO B07 in 2006 play it! nijboer friso defeats white's haznedaroglu kiv in 112 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 h6 6. Bh4 g5 7. Bg3 Nh5 8. O-O-O Nd7 9. Be2 Nxg3 10. hxg3 c5 11. dxc5 Nxc5 12. Nf3 Bd7 13. Nd4 Qa5 14. Kb1 O-O-O 15. Rhe1 Kb8 16. Bc4 e6 17. Nb3 Qc7 18. Qxd6 Qxd6 19. Rxd6 Bxc3 20. bxc3 Na4 21. Re3 Bc6 22. Rxd8+ Rxd8 23. Kc1 Kc7 24. Nd4 Kb6 25. Nxc6 Kxc6 26. e5 Nc5 27. f4 Rg8 28. f5 g4 29. Re1 Rg5 30. fxe6 fxe6 31. a3 Kd7 32. Rf1 Rxe5 33. Rf7+ Kd6 34. Rh7 Re3 35. Rxh6 Rxg3 36. Bf1 Rxc3 37. Rh4 Rg3 38. Be2 Rxg2 39. Bxg4 Rg3 40. Kb2 Na4+ 41. Ka2 b5 42. Bh5 a6 43. Rd4+ Kc5 44. Rd8 Rg2 45. Rc8+ Kd6 46. Bf3 Rg3 47. Ba8 Rc3 48. Rxc3 Nxc3+ 49. Kb3 Nd5 50. Bb7 a5 51. a4 b4 52. Kc4 Nc3 53. Bf3 e5 54. Bh5 Nxa4 55. Kb5 Nc3+ 56. Kxa5 Kc5 |
| ECO B07 in 1991 play it! nijboer friso defeats white's warszawski b in 60 moves | 1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. f3 O-O 6. Be3 a6 7. Qd2 Nbd7 8. Nge2 c6 9. g4 e5 10. d5 cxd5 11. cxd5 b5 12. Ng3 Nc5 13. b4 Na4 14. Nxa4 bxa4 15. Be2 Bd7 16. h4 Qc7 17. Rc1 Qb7 18. h5 Rfc8 19. hxg6 Rxc1+ 20. Qxc1 fxg6 21. Qd2 Bb5 22. Bxb5 Qxb5 23. a3 a5 24. Qh2 Qd3 25. Bg5 Rc8 26. Ne2 Rc2 27. bxa5 h6 28. Bc1 Qxf3 29. Rg1 Qxe4 30. Rg2 Rxc1+ |
| ECO B08 in 1992 play it! nijboer friso defeats white's armas iulius in 68 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Bg4 7. Be3 Nc6 8. d5 Bxf3 9. Bxf3 Ne5 10. Be2 c6 11. f4 Ned7 12. Bf3 Nb6 13. Qd3 Nfd7 14. Bd4 Bxd4+ 15. Qxd4 cxd5 16. exd5 Rc8 17. Rf2 Nc4 18. b3 Na3 19. Re1 b5 20. Qxa7 Rxc3 21. Qxa3 Qb6 22. Bd1 Nf6 23. Qc1 Nxd5 24. Qd2 Qc5 25. Bf3 Nb4 26. a3 Nxc2 27. b4 Qd4 28. Rxe7 Rxa3 29. Qxd4 Nxd4 30. Bd5 Rd3 31. Ba2 Nc6 32. Rfe2 Nxe7 33. Rxe7 Rd1+ 34. Kf2 Rd2+ |
| ECO B07 in 1995 play it! nijboer friso defeats white's diepeveen vincen in 48 moves | 1. e4 d6 2. d4 g6 3. f4 Bg7 4. Nc3 Nc6 5. d5 Nd4 6. Be3 c5 7. dxc6 Nxc6 8. Nf3 Nf6 9. h3 O-O 10. g4 Qa5 11. Bd3 e5 12. fxe5 Nxe5 13. Nxe5 Qxe5 14. Qf3 Be6 15. Nb5 Nd7 16. Bd4 Qg5 17. Qe3 Qxe3+ 18. Bxe3 Bxb2 19. Rb1 Be5 20. Nxa7 Nc5 21. Bxc5 dxc5 22. Rxb7 c4 23. Be2 Rfd8 24. Bd1 Rd7 |
| ECO B07 in 2000 play it! nijboer friso defeats white's willemze jeroen in 50 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bg5 c6 5. Qd2 b5 6. a4 b4 7. Nd1 Qa5 8. f4 Nf6 9. Bd3 d5 10. Bxf6 exf6 11. exd5 O-O 12. dxc6 Nxc6 13. Ne2 Bg4 14. Ne3 Bxe2 15. Bxe2 f5 16. c3 bxc3 17. bxc3 Rfe8 18. Nc4 Qd5 19. O-O Nxd4 20. Ne5 Bxe5 21. Kh1 Bxf4 22. Qxd4 Qxd4 23. cxd4 Rxe2 24. Rxf4 Rd8 25. Rd1 Ra2 |
| ECO B07 in 1992 play it! nijboer friso defeats white's dimitrov vladimi in 84 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 a6 5. Qd2 b5 6. f3 c6 7. h4 Nf6 8. Bh6 Bxh6 9. Qxh6 Qa5 10. Ne2 Nbd7 11. Nc1 c5 12. Nb3 Qc7 13. Qe3 cxd4 14. Qxd4 Qb6 15. Qd2 Bb7 16. O-O-O Nc5 17. Nxc5 Qxc5 18. Bd3 O-O-O 19. Kb1 Kb8 20. Qh6 Rc8 21. Rhe1 Nd7 22. f4 e5 23. g3 Qf2 24. Qg5 Rhe8 25. Rf1 Qb6 26. f5 Rxc3 27. bxc3 Nc5 28. fxg6 fxg6 29. Rf7 Na4 30. Rdf1 Qc5 31. Kc1 Qa3+ 32. Kd1 Nxc3+ 33. Ke1 d5 34. Rd7 dxe4 35. Rff7 Bc8 36. Qe3 Bxd7 37. Rxd7 Kc8 38. Qa7 Qc1+ 39. Kf2 Nd1+ 40. Ke1 Nc3+ 41. Kf2 Nd1+ 42. Ke1 Nb2+ |
| ECO B09 in 1993 play it! nijboer friso defeats white's schlosser michae in 66 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 Nc6 9. Be3 Qa5 10. O-O Bg4 11. h3 Bxf3 12. Qxf3 O-O 13. a3 Nd7 14. Bd2 Qb6+ 15. Kh1 Nc5 16. Rab1 Nxd3 17. cxd3 f5 18. g4 e6 19. Rg1 Nd4 20. Qg3 Qb3 21. Rg2 Rac8 22. Rbg1 Rf7 23. gxf5 exf5 24. Bc1 Ne6 25. Nd5 Nc5 26. Qh4 Re8 27. Ne3 Nxd3 28. exf5 Nxc1 29. fxg6 hxg6 30. Rxg6 Qxe3 31. Qg4 Qe4+ 32. Rg2 Qd4 33. h4 Nd3 |
| ECO B09 in 1993 play it! nijboer friso defeats white's schlosser michae in 65 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 Nc6 9. Be3 Qa5 10. O-O Bg4 11. h3 Bxf3 12. Qxf3 O-O 13. a3 Nd7 14. Bd2 Qb6+ 15. Kh1 Nc5 16. Rab1 Nxd3 17. cxd3 f5 18. g4 e6 19. Rg1 Nd4 20. Qg3 Qb3 21. Rg2 Rac8 22. gxf5 exf5 23. Rbg1 Rf7 24. Bc1 Ne6 25. Nd5 Nc5 26. Qh4 Re8 27. Ne3 Nxd3 28. exf5 Nxc1 29. fxg6 hxg6 30. Rxg6 Qxe3 31. Qg4 Qe4+ 32. Rg2 Qd4 33. h4 |
| ECO B07 in 1997 play it! nijboer friso defeats white's arthur in 108 moves | 1. e4 d6 2. d4 g6 3. Nc3 c6 4. Bc4 Nf6 5. Bb3 Bg7 6. Nf3 O-O 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Rd1 Qc7 11. Bg5 b5 12. a3 a6 13. Qe2 Kh8 14. Re1 Ng8 15. Rad1 e6 16. Qd2 Nb6 17. Qd3 Rac8 18. Qg3 Bh6 19. Bh4 d5 20. Qxc7 Rxc7 21. Bg3 Rd7 22. Kh2 Bg7 23. a4 Ne7 24. a5 Nc4 25. Bxc4 dxc4 26. Bh4 Re8 27. Ne2 Kg8 28. Bxe7 Rdxe7 29. f4 Rd8 30. e5 Red7 31. Rc1 Bf8 32. b3 c3 33. Kg3 Bb4 34. Kf3 Kf8 35. Rh1 Rd5 36. Ra1 Ke7 37. h4 h5 38. Ra2 Kd7 39. Rf1 Kc7 40. Rd1 c5 41. Ke4 cxd4 42. Rxd4 Rxd4+ 43. Nxd4 Bc5 44. Nf3 Rd1 45. b4 Bxb4 46. Ng5 Rd7 47. g3 Kc6 48. Kf3 Bc5 49. Ne4 b4 50. Ra1 Be7 51. Ke3 Rd5 52. Kf3 Bd8 53. Rb1 Bxa5 54. Ra1 Bb6 |
| ECO B07 in 2000 play it! nijboer friso defeats white's pimenta antonio in 74 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. h3 O-O 6. Be3 a6 7. a4 b6 8. Bd3 Bb7 9. O-O Nbd7 10. Re1 e5 11. dxe5 dxe5 12. Bg5 c6 13. Bc4 Qc7 14. Qe2 b5 15. axb5 axb5 16. Bb3 h6 17. Bxf6 Bxf6 18. Qe3 Kg7 19. Red1 Rxa1 20. Rxa1 Be7 21. Ne1 Bc5 22. Qe2 Nf6 23. Nd3 Bb6 24. Kh1 Re8 25. g4 Qe7 26. f3 h5 27. Kg2 Rh8 28. Qe1 hxg4 29. hxg4 Bd4 30. Qg3 c5 31. Nd5 Bxd5 32. Bxd5 c4 33. c3 cxd3 34. cxd4 exd4 35. Rh1 Rxh1 36. Kxh1 Nxd5 37. exd5 d2 |
| ECO B07 in 2000 play it! nijboer friso defeats white's lane gary w in 46 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nge2 Nf6 5. g3 O-O 6. Bg2 e5 7. h3 c6 8. a4 a5 9. Be3 Na6 10. dxe5 dxe5 11. Qxd8 Rxd8 12. Bb6 Re8 13. Bxa5 Nd7 14. Nd1 Nac5 15. Bb4 Bf8 16. Bd2 Nf6 17. O-O Ncxe4 18. Be3 Nc5 19. Ndc3 Bf5 20. Rfc1 h5 21. b4 Na6 22. b5 Nb4 23. Bg5 Nh7 |
| ECO B07 in 1993 play it! nijboer friso defeats white's kremer mark in 78 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nc6 5. Be3 Nf6 6. Nf3 O-O 7. h3 e6 8. g4 Ne7 9. Bg2 b6 10. O-O Bb7 11. Nd2 Nd7 12. a4 f5 13. Qe2 c5 14. Qc4 Kh8 15. dxc5 Nxc5 16. Bd4 e5 17. fxe5 Ba6 18. Nb5 dxe5 19. Bxc5 bxc5 20. Nb3 fxg4 21. Nxc5 Rc8 22. b4 Ng8 23. Qe2 Bxb5 24. axb5 Qd4+ 25. Kh1 Qxb4 26. Ne6 gxh3 27. Bxh3 Rc3 28. Bg2 Rxf1+ 29. Rxf1 Qe7 30. Qd2 Rg3 31. Nxg7 Kxg7 32. Qf2 Qh4+ 33. Kg1 Nf6 34. Qxa7+ Kh6 35. Qf7 Ng4 36. Qf8+ Kh5 37. Rf5+ gxf5 38. Qe8+ Kg5 39. Qe7+ Nf6 |