| ECO B41 in 1984 play it! nijboer friso defeats black's bottema tom in 63 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Nf3 Be7 8. Bd3 e5 9. O-O exf4 10. Bxf4 Be6 11. Kh1 Ng4 12. Nd5 Nge5 13. Nxe7 Qxe7 14. Qe1 Nxf3 15. Rxf3 g5 16. Qc3 Rg8 17. Bg3 Rc8 18. Qa3 Rd8 19. Raf1 h5 20. Bb5 h4 21. Be1 g4 22. Rf6 h3 23. Bh4 Rh8 24. Rh6 Rxh6 25. Bxe7 Kxe7 26. Bxc6 bxc6 27. Qxa7+ Rd7 28. Qe3 hxg2+ 29. Kxg2 Rg6 30. Rd1 Kf8 31. Qb6 g3 32. hxg3 |
| ECO B33 in 1992 play it! nijboer friso defeats black's hon andrew in 45 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. Bb3 Qc7 10. O-O-O O-O 11. Rhg1 Nd7 12. g4 Nc5 13. Nf5 b5 14. Bd5 Re8 15. Nxe7+ Rxe7 16. e5 Nb7 17. exd6 Qxd6 18. Be4 Qc7 19. g5 Ne5 20. Rg3 Ng6 21. Qh5 Nf8 22. Bxh7+ Nxh7 23. Rh3 |
| ECO B42 in 1984 play it! nijboer friso defeats black's berend fred in 73 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. O-O Nc6 8. Kh1 Nge7 9. f4 O-O 10. N1d2 d5 11. e5 f5 12. c3 Bd7 13. Nf3 Rc8 14. Qe1 Na5 15. Nbd4 Nec6 16. Nc2 b5 17. b3 Nb7 18. b4 Qc7 19. Bd2 Nbd8 20. Qe2 Bb6 21. a4 bxa4 22. Bxa6 Ra8 23. Bd3 Nf7 24. Ra2 Ra7 25. Rfa1 Rfa8 26. Ra3 h6 27. Bb5 Ne7 28. Ncd4 Qb7 29. Bd3 g5 30. fxg5 Kg7 31. gxh6+ Nxh6 32. Bxh6+ Kxh6 33. Qd2+ Kg7 34. Qg5+ Ng6 35. Qf6+ Kh6 36. Nxe6 Bd8 37. Qg7+ |
| ECO B90 in 1999 play it! nijboer friso defeats black's prelati maurizio in 41 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O b5 8. Bb3 Be7 9. Qf3 Qb6 10. Bg5 Qxd4 11. e5 Qxe5 12. Bxf6 gxf6 13. Qxa8 d5 14. Bxd5 exd5 15. Rfe1 Qd6 16. Nxd5 Be6 17. Rad1 Bxd5 18. Rxd5 Qc7 19. Rc5 Qd8 20. Qb7 O-O 21. Qxe7 |
| ECO B92 in 2005 play it! nijboer friso defeats black's novikov stanisla in 83 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3 11. Nxf3 b4 12. exf6 bxc3 13. fxg7 Bxg7 14. b3 Qb6+ 15. Kh1 O-O 16. Qe1 Qc6 17. Ba3 Nf6 18. Rd1 Ne4 19. Qh4 f5 20. Ng5 Nxg5 21. Qxg5 Rad8 22. Rf3 h6 23. Qg3 Rf7 24. Re3 d5 25. Bb4 Kh7 26. Qe1 d4 27. Rxe6 Qc7 28. Qg3 Bf6 29. Qd3 Bg7 30. Rxa6 Re8 31. Bd6 Qb7 32. Be5 Bxe5 33. fxe5 Rxe5 34. Qxd4 Re2 35. Rxh6+ Kxh6 36. Qh4+ Kg7 37. Qg5+ Kh7 38. Qh5+ Kg7 39. Qxe2 Qe4 40. Qd3 Qe5 41. Qg3+ Qxg3 42. hxg3 |
| ECO B92 in 2005 play it! nijboer friso defeats black's vrenegoor taco in 91 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. Be3 Bb7 11. f3 b5 12. a4 b4 13. Nd5 Nxd5 14. exd5 Nd7 15. c3 bxc3 16. bxc3 Bg5 17. Bf2 Qc7 18. c4 a5 19. Nd2 Bxd2 20. Qxd2 Nc5 21. Rfb1 Bc8 22. Qb2 Bf5 23. Qb6 Rfc8 24. Qxc7 Rxc7 25. Rb6 Bd3 26. Bxc5 Bxe2 27. Bxd6 Rxc4 28. Rab1 f6 29. Rb8+ Rxb8 30. Rxb8+ Kf7 31. Rb7+ Ke8 32. Kg1 Rd4 33. Re7+ Kd8 34. Rxg7 Rxd5 35. Be7+ Ke8 36. Bxf6 Bd3 37. Re7+ Kf8 38. g4 Rd4 39. Rxe5 Rxa4 40. Kf2 Bb1 41. Kg3 Kf7 42. Bd8 Rd4 43. Bxa5 Ba2 44. Rf5+ Ke8 45. Rf6 Ke7 46. Rh6 |
| ECO B30 in 2005 play it! nijboer friso defeats black's kuipers stefan in 35 moves | 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Qd2 Nf6 8. f3 Bd7 9. O-O-O Rc8 10. Kb1 a6 11. g4 b5 12. h4 Ne5 13. h5 b4 14. Nd5 Nxd5 15. exd5 Nc4 16. Bxc4 Rxc4 17. hxg6 fxg6 18. Qd3 |
| ECO B90 in 2003 play it! nijboer friso defeats black's janssen ruud in 49 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Bb7 11. Bd3 Ne5 12. Rhe1 b4 13. Na4 Qa5 14. b3 Nfd7 15. Be2 Nc5 16. Nxc5 dxc5 17. Nxe6 fxe6 18. Bf4 Bc6 19. Bxe5 c4 20. Qd4 c3 21. a4 Be7 22. f4 Qc5 23. Bxg7 Rh7 24. Qxc5 Bxc5 25. Bd4 |
| ECO B67 in 2005 play it! nijboer friso defeats black's baklan vladimir in 40 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. Qe1 O-O-O 14. Qh4 Be7 15. Bd3 h5 16. Rhe1 Rde8 17. f5 Qc5 18. Ne2 e5 19. Nc3 Bd8 20. Bf1 Bb6 |
| ECO B53 in 1991 play it! nijboer friso defeats black's david pavel in 80 moves | 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. f4 e6 7. a4 Nc6 8. Nf3 Qc7 9. Bd3 b6 10. O-O Bb7 11. Qe1 Be7 12. Bd2 Nb4 13. e5 dxe5 14. fxe5 Nd7 15. Qg3 Nc5 16. Nb5 axb5 17. Bxb4 Nxd3 18. Bxe7 Qxe7 19. Qxg7 O-O-O 20. cxd3 Rhg8 21. Qxh7 Rg4 22. Rac1+ Kb8 23. axb5 Qd7 24. Rc4 Rg6 25. Ne1 Rdg8 26. Rxf7 Qd5 27. Rxb7+ Qxb7 28. Qxb7+ Kxb7 29. Kf2 Ra8 30. Nf3 Ra5 31. Rc2 Rxb5 32. d4 Rb3 33. h4 Rg8 34. Ng5 Rf8+ 35. Kg1 Rh8 36. Nf3 Rxf3 37. gxf3 Rxh4 38. Rd2 Kc6 39. Kf2 Kd5 40. Ke3 Rh1 |
| ECO B33 in 2001 play it! nijboer friso defeats black's van der weide ka in 93 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 O-O 9. f4 Nxd4 10. Qxd4 Qa5 11. Bc4 Bd7 12. e5 dxe5 13. fxe5 Bc6 14. Bd2 Nd7 15. Nd5 Qd8 16. Nxe7+ Qxe7 17. Rhe1 Rfd8 18. Qg4 Nf8 19. Bd3 Rd5 20. Bb4 Qc7 21. Bd6 Qa5 22. Kb1 Ng6 23. Qg3 Qa4 24. c4 Rd4 25. Bc5 Rd7 26. Bd6 b5 27. b3 Qa5 28. c5 Qb4 29. Qe3 Re8 30. Bc2 Qf4 31. Bxg6 Qxe3 32. Bxh7+ Kxh7 33. Rxe3 Bxg2 34. Rg1 Bc6 35. Rh3+ Kg8 36. Rg4 Red8 37. Kc2 a5 38. Kd2 Ra8 39. Ke3 b4 40. Kf4 a4 41. Kg5 axb3 42. Rgh4 f6+ 43. Kg6 Be4+ 44. Rxe4 Rxa2 45. Rxb4 Rg2+ 46. Rg3 Rxh2 47. Rb8+ |
| ECO B45 in 1995 play it! nijboer friso defeats black's riemersma liafbe in 59 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 Nf6 7. Bc4 Be7 8. Qe2 O-O 9. O-O-O a6 10. g4 Nxd4 11. Bxd4 b5 12. Bb3 Bb7 13. a3 d5 14. g5 Nd7 15. exd5 Bxg5+ 16. Kb1 e5 17. Be3 Rc8 18. Bxg5 Qxg5 19. Rhg1 Qh6 20. Ne4 Rcd8 21. Rg5 Qxh2 22. Rh5 Qf4 23. Rdh1 Nf6 24. Nxf6+ Qxf6 25. Rxh7 g6 26. Qe3 Qf4 27. Rh8+ Kg7 28. R1h7+ Kf6 29. Rxf8 Rxf8 30. Qb6+ |
| ECO B30 in 2005 play it! nijboer friso defeats black's tirard hugo in 133 moves | 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 g6 5. h3 Qc7 6. O-O Bg7 7. Re1 e5 8. d3 O-O 9. Bc4 d6 10. Nh2 a6 11. a3 b5 12. Nd5 Nxd5 13. Bxd5 Be6 14. Bxe6 fxe6 15. Be3 Kh8 16. c3 c4 17. dxc4 bxc4 18. Qg4 d5 19. Qxe6 d4 20. Bg5 Rab8 21. Qxc4 Rxb2 22. Nf3 Qb6 23. Rac1 Na5 24. Qd3 Nb3 25. Rc2 Nc5 26. Qd2 Rb1 27. cxd4 Nxe4 28. Rxb1 Qxb1+ 29. Qc1 Qxc1+ 30. Rxc1 Nxg5 31. Nxg5 Bh6 32. h4 Bxg5 33. hxg5 exd4 34. Rc5 Rb8 35. f4 Rb3 36. Ra5 d3 37. Kf2 d2 38. Ke2 Rd3 39. Kd1 Rd6 40. Ra4 h6 41. gxh6 Kh7 42. g4 Kxh6 43. Rc4 Kg7 44. Rc7+ Kf8 45. g5 Ke8 46. Ra7 Kf8 47. a4 Ke8 48. a5 Kf8 49. Rb7 Rd5 50. Rb6 Rxa5 51. Kxd2 Kf7 52. Rb7+ Ke6 53. Ke3 Ra3+ 54. Ke4 Ra4+ 55. Kf3 Ra3+ 56. Kg4 Ra1 57. Rg7 Rg1+ 58. Kf3 Rf1+ 59. Kg3 Kf5 60. Rf7+ Ke4 61. Re7+ Kd5 62. Rg7 Ke4 63. Rxg6 Rf3+ 64. Kg4 Rxf4+ 65. Kh5 a5 66. Ra6 Rf7 67. Kh6 |
| ECO B41 in 1991 play it! nijboer friso defeats black's neumeister herbe in 65 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Nf3 Be7 8. Bd3 a6 9. a4 Qc7 10. O-O b6 11. Qe1 Bb7 12. Qg3 g6 13. Bd2 Nb4 14. e5 Nh5 15. Qf2 d5 16. Be3 Bc5 17. a5 Bxe3 18. Qxe3 b5 19. Nd4 O-O 20. g4 Ng7 21. f5 Nxd3 22. cxd3 exf5 23. gxf5 Rae8 24. Rae1 Qd7 25. Qh6 b4 26. Nb1 Qc8 27. Rf4 Rxe5 28. Rxe5 Qc1+ 29. Kf2 Nh5 30. Ne2 Qxb2 31. fxg6 hxg6 32. Rxh5 gxh5 33. Qg5+ |
| ECO B47 in 1989 play it! nijboer friso defeats black's los sander in 67 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Kh1 Nxd4 9. Qxd4 Bc5 10. Qd3 h5 11. f4 Ng4 12. Nd1 b5 13. a4 b4 14. Ne3 a5 15. c4 Qd8 16. g3 Bb7 17. Nxg4 hxg4 18. Bxg4 Qf6 19. Bf3 Ke7 20. Be3 Bxe3 21. Qxe3 Qxb2 22. Qc5+ Ke8 23. h4 Qb3 24. Qd4 f6 25. Kg2 Rc8 26. Rfc1 Ba6 27. Bd1 Rxc4 28. Qd2 Rxc1 29. Rxc1 Qa3 30. Rc7 d5 31. Qc2 Bc4 32. exd5 Bxd5+ 33. Kh3 Rh6 34. Qc5 |
| ECO B28 in 2002 play it! nijboer friso defeats black's bosch jeroen in 61 moves | 1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nf6 7. O-O Bc5 8. Nb3 Be7 9. Qe2 d6 10. Bf4 Nbd7 11. Bg3 b5 12. a4 b4 13. Na2 a5 14. c3 bxc3 15. Nxc3 O-O 16. Nb5 Qb6 17. Rac1 Ne5 18. Bb1 Ba6 19. Kh1 Nc6 20. Rfd1 Na7 21. N3d4 Rac8 22. e5 dxe5 23. Bxe5 Rfd8 24. Rxc8 Rxc8 25. Ba2 Nxb5 26. axb5 Bb7 27. Nxe6 fxe6 28. Bxf6 Bd5 29. Bxd5 exd5 30. Bxe7 Re8 31. Bc5 |
| ECO B45 in 2000 play it! nijboer friso defeats black's van der werf mar in 123 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 Nf6 7. f3 Be7 8. Qd2 O-O 9. g4 d5 10. g5 Nxd4 11. Qxd4 Nh5 12. f4 dxe4 13. Qxe4 g6 14. Rd1 Qc7 15. Bg2 Ng7 16. O-O Nf5 17. Bf2 a6 18. Qe5 Qxe5 19. fxe5 Bxg5 20. Rd3 Be7 21. Na4 f6 22. Nb6 Rb8 23. exf6 Bxf6 24. c3 a5 25. Be4 e5 26. Nxc8 Rbxc8 27. Bxb7 Rb8 28. Rd7 Rfd8 29. Bd5+ Kh8 30. Rxd8+ Rxd8 31. c4 e4 32. Bxe4 Bxb2 33. Bxf5 gxf5 34. Rb1 Bd4 35. Bxd4+ Rxd4 36. Rc1 Kg7 37. c5 Kf6 38. c6 Rd8 39. Kf2 a4 40. Kf3 Ke5 41. h4 a3 42. Rc3 Rc8 43. h5 Rc7 44. Ke3 f4+ 45. Kf3 h6 46. Rc2 Kd6 47. Kxf4 Rf7+ 48. Ke4 Kc7 49. Rg2 Kxc6 50. Rg3 Kb5 51. Rxa3 Rg7 52. Rf3 Kc4 53. Rf6 Rb7 54. Kf5 Kd5 55. Ra6 Rg7 56. Rxh6 Ra7 57. Rh8 Rxa2 58. h6 Rf2+ 59. Kg4 Rf7 60. h7 Rd7 61. Kf5 Kd6 62. Kg6 |
| ECO B33 in 1991 play it! nijboer friso defeats black's oud n in 55 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 Qc7 9. Bb3 a6 10. O-O-O b5 11. g4 Na5 12. g5 Nxb3+ 13. axb3 Nd7 14. h4 b4 15. Na2 Rb8 16. h5 Nc5 17. g6 Bf6 18. Kb1 Nxe4 19. Bf4 Nxf2 20. Qxf2 e5 21. gxf7+ Kxf7 22. Bg5 exd4 23. h6 Qd8 24. Rdf1 Rb5 25. hxg7 Rf5 26. gxh8=Q Qxh8 27. Qxf5 Bxf5 28. Rxf5 |
| ECO B90 in 2000 play it! nijboer friso defeats black's rosmuller anton in 43 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. O-O Nbd7 9. Bxe6 fxe6 10. Nxe6 Qc4 11. Nd5 Nxd5 12. exd5 Kf7 13. b3 Qc3 14. Bd2 Qf6 15. Bg5 Qc3 16. Re1 Ne5 17. Re3 Qb4 18. Rf3+ Ke8 19. Nc7+ Kd7 20. Nxa8 h6 21. Rf4 Qc5 22. Rc4 |
| ECO B33 in 2001 play it! nijboer friso defeats black's czebe attila in 81 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 f5 12. Bd3 Be6 13. O-O Bxd5 14. exd5 Ne7 15. c3 Bg7 16. Qh5 e4 17. Bc2 Qc8 18. Rae1 O-O 19. Kh1 Ng6 20. Bb1 Re8 21. Nc2 f4 22. Nb4 Re5 23. Qd1 Qc4 24. b3 Qxc3 25. Nc6 f3 26. Nxe5 fxg2+ 27. Kxg2 Bxe5 28. Rxe4 f5 29. Re3 Qb4 30. Kh1 Qh4 31. f4 Bxf4 32. Re2 Rf8 33. Rg2 Qh6 34. Qe2 Kh8 35. Rgf2 Qh4 36. Rf3 Qg5 37. Rxf4 Nxf4 38. Qb2+ Rf6 39. Rxf4 Qxf4 40. Qxf6+ Kg8 41. Qxf5 |