| ECO B01 in 2000 play it! nijboer friso defeats black's sulava nenad in 33 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Be3 Nbd7 7. Be2 e6 8. O-O c5 9. Qd2 cxd4 10. Nxd4 Qc7 11. Bf4 Qb6 12. Bf3 Be7 13. Rfe1 Nf8 14. Na4 Qd8 15. Qc3 Bd6 16. Bxd6 Qxd6 17. Nf5 |
| ECO B01 in 1995 play it! nijboer friso defeats black's prie eric in 57 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bd2 Bf5 7. Ne4 Qb6 8. Nxf6+ gxf6 9. b4 e5 10. Bc4 Nd7 11. O-O Bg6 12. c3 Qc7 13. dxe5 fxe5 14. Qb3 Bg7 15. Nh4 Nb6 16. Be3 Nxc4 17. Qxc4 O-O 18. Rfd1 Rfd8 19. Bg5 Rxd1+ 20. Rxd1 Re8 21. Nxg6 hxg6 22. Qg4 e4 23. Rd7 Qe5 24. Rxb7 Qxc3 25. g3 Bd4 26. Kg2 Re5 27. Bf6 Qf3+ 28. Qxf3 exf3+ 29. Kf1 |
| ECO B01 in 1993 play it! nijboer friso defeats black's vandevoort pasca in 57 moves | 1. e4 d5 2. exd5 Nf6 3. Nf3 Qxd5 4. Nc3 Qh5 5. Be2 Bg4 6. O-O Nc6 7. h3 Bxf3 8. Bxf3 Qf5 9. d4 g5 10. Re1 Rd8 11. d5 Ne5 12. Be4 Nxe4 13. Nxe4 Bg7 14. c4 O-O 15. Qb3 h6 16. Bd2 b5 17. cxb5 Rxd5 18. Nf6+ exf6 19. Qxd5 h5 20. Bc3 g4 21. hxg4 hxg4 22. Bxe5 fxe5 23. Rac1 Bf6 24. Qe4 Qe6 25. Rc4 Bg7 26. Qc6 Qf5 27. Qxc7 Bf6 28. Qxa7 Rd8 29. Qe3 |
| ECO B06 in 1984 play it! nijboer friso defeats black's de korver peter in 63 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 Bg4 6. Be3 Nd7 7. Be2 e6 8. O-O Ne7 9. Qd2 Qc7 10. a4 Bxf3 11. Bxf3 f5 12. exf5 exf5 13. d5 c5 14. Rae1 a6 15. Bf2 Bf6 16. g4 O-O 17. g5 Bxc3 18. Qxc3 Rf7 19. a5 Raf8 20. Re6 Nc8 21. Rfe1 Qd8 22. b4 cxb4 23. Qxb4 Qc7 24. R1e2 Nc5 25. Bd4 Nxe6 26. dxe6 Re7 27. Bd5 Rfe8 28. Kf1 Kf8 29. Ba1 b6 30. Qb2 Rg7 31. Qf6+ Rf7 32. e7+ |
| ECO B06 in 1996 play it! nijboer friso defeats black's zilberman nathan in 57 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Nf3 Nf6 6. Bb3 Bg4 7. Be3 d5 8. h3 Bxf3 9. Qxf3 e6 10. O-O O-O 11. Rad1 h6 12. h4 b5 13. e5 Nfd7 14. h5 g5 15. Ne2 f6 16. exf6 Nxf6 17. Qh3 Qe8 18. Ng3 Nbd7 19. Rfe1 Qf7 20. c3 Ne8 21. Rf1 e5 22. Bc2 Nd6 23. Bg6 Qe7 24. Rde1 e4 25. f3 exf3 26. Bd2 Qd8 27. Qe6+ Nf7 28. Rxf3 Nf6 29. Nf5 |
| ECO B06 in 2005 play it! nijboer friso defeats black's leenhouts koen in 41 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. h3 d5 5. Nf3 Nh6 6. Bf4 f6 7. exd5 cxd5 8. Nb5 O-O 9. c4 Na6 10. cxd5 Qxd5 11. Nc3 Qa5 12. Be2 Nf7 13. O-O Rd8 14. Bc4 g5 15. Bd2 Qc7 16. Qb3 e6 17. Rfe1 Nd6 18. Bxe6+ Bxe6 19. Rxe6 Kh8 20. Rae1 Nf5 21. Qc2 |
| ECO B06 in 1995 play it! nijboer friso defeats black's delemarre jop in 69 moves | 1. e4 g6 2. d4 c6 3. h4 d5 4. e5 h5 5. c4 Nh6 6. Nc3 a6 7. Bg5 Be6 8. Nh3 Qb6 9. Nf4 Nf5 10. Nxe6 fxe6 11. Na4 Qxd4 12. Qxd4 Nxd4 13. Bd3 Nd7 14. Bxg6+ Kd8 15. f4 b5 16. Rd1 bxa4 17. Rxd4 Rb8 18. cxd5 exd5 19. Rxa4 Rxb2 20. Rxa6 Nb6 21. Rh3 Kc8 22. Rb3 Rxb3 23. axb3 Kb7 24. Ra2 Nd7 25. Bf5 Nc5 26. e6 Kc7 27. b4 Nb7 28. Ra8 Nd8 29. Bh3 Rg8 30. f5 Nb7 31. Bxe7 Bxe7 32. Rxg8 Bxb4+ 33. Ke2 Kd6 34. Rb8 Kc7 35. Rxb7+ |
| ECO B06 in 2001 play it! nijboer friso defeats black's perschke ulrich in 77 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nbd7 7. Re1 e5 8. Nbd2 Re8 9. d5 Nh5 10. Bf1 Rf8 11. a4 a5 12. Ra3 Qe8 13. Bb5 h6 14. b4 f5 15. exf5 gxf5 16. Nd4 Nf4 17. N2f3 Nxd5 18. Nxf5 Rxf5 19. Qxd5+ Kh8 20. Qe4 Rf6 21. Qh4 Qg6 22. Qg3 Nf8 23. Nh4 Qxg3 24. hxg3 Bd7 25. Bxd7 Nxd7 26. f4 Rf7 27. Be3 Kh7 28. b5 Re8 29. Nf3 Nf6 30. c4 Ng4 31. Bf2 e4 32. Nh2 Nxf2 33. Kxf2 Bd4+ 34. Ke2 Bc5 35. Rb3 h5 36. Rd1 c6 37. bxc6 bxc6 38. Nf1 Rg7 39. Rdb1 |
| ECO B06 in 2001 play it! nijboer friso defeats black's rudolf henrik in 77 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. b4 Nd7 8. Nbd2 e5 9. b5 Ne7 10. a4 Kh8 11. Ba3 Ng8 12. Qc2 Re8 13. Nc4 Nh6 14. Ne3 Nf6 15. dxe5 dxe5 16. Rfd1 Bg4 17. Nxg4 Nfxg4 18. Bc4 Qc8 19. h3 Nf6 20. Ng5 Bf8 21. Nxf7+ Nxf7 22. Bxf7 Rd8 23. Rxd8 Qxd8 24. Rd1 Qc8 25. Bb2 Bc5 26. c4 Kg7 27. Bd5 c6 28. Bxe5 cxd5 29. cxd5 Be7 30. Qb2 Qf8 31. Rd3 Re8 32. Rf3 Bd8 33. g4 h6 34. h4 g5 35. hxg5 hxg5 36. Rf5 Kg6 37. Bxf6 Bxf6 38. e5 Rxe5 39. Qxe5 |
| ECO B06 in 1991 play it! nijboer friso defeats black's ballesteros gonz in 31 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c5 5. dxc5 dxc5 6. Qxd8+ Kxd8 7. e5 Bf5 8. Be3 Nd7 9. O-O-O Rc8 10. Nf3 Ke8 11. Bc4 a6 12. Ng5 e6 13. Nxf7 Kxf7 14. Rxd7+ Ne7 15. Rxb7 Rc6 16. Rd1 |
| ECO B06 in 1999 play it! nijboer friso defeats black's van der wiel joh in 45 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. Bf4 Qa5 7. Bd3 e5 8. Bh2 Nbd7 9. O-O O-O 10. Re1 Nh5 11. Bf1 Qb6 12. Na4 Qa5 13. c4 Rd8 14. Rb1 exd4 15. b4 Qc7 16. g4 Nhf6 17. c5 Ne8 18. cxd6 Qb8 19. e5 f6 20. exf6 Bxf6 21. Nc5 Nxd6 22. Qb3+ Kh8 23. Qe6 |
| ECO B06 in 1984 play it! nijboer friso defeats black's boel peter in 43 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 Bg4 6. Be3 Qb6 7. Qd2 Bxf3 8. gxf3 Nd7 9. Bh3 O-O-O 10. O-O g5 11. fxg5 h6 12. g6 fxg6 13. a4 Kb8 14. b4 Qc7 15. b5 Nb6 16. Qd3 d5 17. a5 Nc4 18. b6 axb6 19. axb6 Qxb6 20. Rfb1 Qc7 21. exd5 Nxe3 22. Qa6 |
| ECO B06 in 1991 play it! nijboer friso defeats black's mattaei a in 75 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5 6. Be3 Nh6 7. Nf3 Bg4 8. Be2 b6 9. Qd2 e6 10. g3 Nf5 11. Bf2 h4 12. Nxh4 Bxe2 13. Nxf5 Bf3 14. Nxg7+ Kf8 15. Nxe6+ fxe6 16. Rg1 Rxh2 17. g4 c5 18. f5 g5 19. Qd3 Rh3 20. Qf1 Rh7 21. fxe6 Kg8 22. Qd3 Qf8 23. Rg3 Rh1+ 24. Bg1 Qf4 25. Rxf3 Rxg1+ 26. Ke2 Qh2+ 27. Rf2 Rg2 28. Qg6+ Kh8 29. Qf6+ Kh7 30. Qf7+ Kh6 31. Rf1 Nc6 32. Kd1 Rxf2 33. Rxf2 Qg1+ 34. Kd2 Qxf2+ 35. Qxf2 cxd4 36. Qf6+ Kh7 37. Qf7+ Kh8 38. Nxd5 |
| ECO B06 in 2000 play it! nijboer friso defeats black's thiede lars in 95 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bd3 Nf6 5. O-O O-O 6. c3 c5 7. h3 Nc6 8. d5 Na5 9. Bf4 b5 10. Nbd2 Rb8 11. a3 Nc4 12. Rb1 a5 13. Re1 Nxd2 14. Qxd2 b4 15. axb4 axb4 16. c4 Nd7 17. h4 Qc7 18. h5 Ra8 19. Bh6 Ra6 20. Re2 Ne5 21. Nxe5 Bxh6 22. Qxh6 dxe5 23. f3 gxh5 24. Qxh5 f6 25. Rf1 Rf7 26. f4 Bd7 27. Qh6 Rg7 28. f5 Be8 29. Rf3 Ra1+ 30. Kh2 Ba4 31. Ree3 Qd8 32. Rg3 Qf8 33. Be2 Be8 34. Ref3 Qf7 35. Rh3 Rg5 36. Rfg3 Qg7 37. Rxg5 fxg5 38. Qe6+ Kh8 39. Qc8 Qg8 40. Qxc5 Qf8 41. Bg4 b3 42. Qb4 Rf1 43. Qb8 Kg8 44. Qxe5 Rf4 45. Rg3 Qh6+ 46. Bh3 Kf8 47. Qh8+ Kf7 48. e5 |
| ECO B04 in 1996 play it! nijboer friso defeats black's timmer robert in 39 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. a4 a5 6. Bb5+ c6 7. Bd3 dxe5 8. Nxe5 N8d7 9. Nf3 g6 10. O-O Bg7 11. Re1 O-O 12. Bg5 Bf6 13. Bxf6 Nxf6 14. h3 Nbd5 15. Na3 b6 16. Qd2 Qc7 17. Qh6 Ba6 18. Bxa6 Rxa6 19. Ng5 Rc8 20. Nc4 |
| ECO B05 in 1989 play it! nijboer friso defeats black's landenbergue cla in 71 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. c4 Nb6 7. Nbd2 N8d7 8. O-O dxe5 9. Nxe5 Nxe5 10. dxe5 Be6 11. Qb3 g6 12. Nf3 Bg7 13. Ng5 Qc8 14. f4 O-O 15. Be3 Bg4 16. Bxg4 Qxg4 17. h3 Qc8 18. Bxb6 axb6 19. Qxb6 f6 20. exf6 exf6 21. Nf3 Qf5 22. Nd4 Qd7 23. Rad1 f5 24. Nf3 Qf7 25. Ng5 Qf6 26. Qxb7 h6 27. Nf3 Qxb2 28. Qxc6 Qxa2 29. Rd7 Rf6 30. Qb7 Bf8 31. Qd5+ Kh8 32. Ne5 Bg7 33. Nf7+ Kh7 34. Ng5+ hxg5 35. fxg5 Rff8 36. Qd4 |
| ECO B05 in 2001 play it! nijboer friso defeats black's huijser marcel in 49 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. Nc3 Nc6 9. exd6 cxd6 10. d5 Bxf3 11. Bxf3 Ne5 12. dxe6 fxe6 13. Bxb7 Rb8 14. Ba6 O-O 15. Qe2 Nbd7 16. Be3 Qa5 17. Bb5 Nb6 18. a3 Nc8 19. f4 Ng6 20. Bd7 e5 21. f5 Nf4 22. Bxf4 exf4 23. Bxc8 Qb6+ 24. Kh1 Rbxc8 25. Nd5 |
| ECO B05 in 2007 play it! nijboer friso defeats black's hug werner in 117 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. Nc3 O-O 9. Be3 N8d7 10. exd6 cxd6 11. b3 d5 12. h3 Bh5 13. c5 Nc8 14. b4 a6 15. a4 Bxf3 16. Bxf3 Bf6 17. Rc1 Ne7 18. g4 Nc6 19. b5 Na5 20. Be2 g6 21. f4 Bg7 22. Nb1 Nf6 23. Nd2 axb5 24. axb5 Nc4 25. Nxc4 dxc4 26. Bxc4 Ra3 27. Rf3 Ne4 28. Kg2 Nc3 29. Qc2 Nd5 30. Bf2 Rxf3 31. Kxf3 Qd7 32. Qb3 Ne7 33. Re1 Kh8 34. Rd1 Rd8 35. Bh4 Ra8 36. Rd3 h5 37. d5 exd5 38. Bxd5 Nxd5 39. Rxd5 Ra3 40. Rxd7 Rxb3+ 41. Ke4 Rxb5 42. Bf2 Rb4+ 43. Kf3 Kg8 44. Rd8+ Kh7 45. g5 f6 46. Be3 fxg5 47. fxg5 Be5 48. Re8 Ba1 49. Re4 Bc3 50. Re7+ Kg8 51. Bf4 Rb5 52. Bd6 Bd4 53. Rc7 Bb2 54. Ke4 Bc1 55. Be7 Rb1 56. Ke5 Bb2+ 57. Kd6 Bc3 58. Rc8+ Kh7 59. Bf6 |
| ECO B04 in 1992 play it! nijboer friso defeats black's knoppert eric in 97 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. O-O O-O 8. a4 c6 9. a5 Nd5 10. exd6 Qxd6 11. Nbd2 Bg4 12. h3 Bxf3 13. Nxf3 Nd7 14. c4 Nb4 15. c5 Qc7 16. Qe1 Nd3 17. Qxe7 Bf6 18. Qe3 Nxc1 19. Qxc1 b6 20. axb6 axb6 21. Rxa8 Rxa8 22. cxb6 Nxb6 23. Re1 Qd6 24. Ne5 Bxe5 25. dxe5 Qb4 26. e6 fxe6 27. Bxe6+ Kg7 28. Rd1 Rf8 29. b3 Qe4 30. Bg4 Rf6 31. Qc5 Nd5 32. Bf3 Rxf3 33. gxf3 Qxf3 34. Qd4+ Kh6 35. Qh4+ Kg7 36. Qd4+ Kh6 37. Qd3 Qf6 38. Qg3 Nf4 39. Kh2 g5 40. Qe3 Ng6 41. Rd4 Kg7 42. Kg1 Nf4 43. Rd7+ Kh6 44. Qe4 Ng6 45. b4 Qa1+ 46. Kh2 Qf6 47. Qd4 Qf8 48. Rd6 Qf3 49. Rf6 |