| ECO A05 in 1987 play it! riemersma liafbe defeats white's vandevoort pasca in 100 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4 5. b3 e6 6. Bb2 Nbd7 7. c4 Be7 8. d4 O-O 9. Nc3 Qb8 10. Qd2 Re8 11. Rfe1 Bb4 12. Ne5 Nxe5 13. dxe5 Qxe5 14. a3 Bxc3 15. Bxc3 Qh5 16. cxd5 Nxd5 17. Bb2 e5 18. Rad1 Re7 19. Qc2 Rd7 20. f3 Be6 21. e4 Nb6 22. Rxd7 Nxd7 23. Rd1 f6 24. Rd6 Qf7 25. b4 Nb6 26. Bf1 Qe7 27. Qd1 Rc8 28. a4 Rc7 29. f4 Rd7 30. fxe5 fxe5 31. Bxe5 Nxa4 32. Rxd7 Bxd7 33. Bc4+ Be6 34. Bd6 Qd7 35. e5 Bxc4 36. Qxa4 a6 37. Qc2 Qe6 38. Qf2 h6 39. Qa7 Qf7 40. Qb8+ Kh7 41. Qf8 Qg6 42. Qf2 Qb1+ 43. Kg2 Bd5+ 44. Kh3 Be6+ 45. Kg2 Qe4+ 46. Kg1 Bd5 47. Kf1 Bc4+ 48. Kg1 Qb1+ 49. Kg2 Bd5+ 50. Kh3 Qe4 |
| ECO A05 in 1987 play it! riemersma liafbe defeats white's rukavina josip in 84 moves | 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 c5 5. e3 b6 6. Be2 Bb7 7. O-O O-O 8. d4 cxd4 9. Nxd4 Nc6 10. Bf3 d5 11. cxd5 Ne5 12. e4 e6 13. dxe6 Nxf3+ 14. Qxf3 Nxe4 15. Qe3 Qd5 16. f3 Nc5 17. Bc3 Rfe8 18. e7 Bf6 19. Nb5 Rxe7 20. Qd2 Qxd2 21. Nxd2 Bxc3 22. Nxc3 Rc8 23. Nc4 Nd3 24. Rfd1 Nb2 25. Nxb2 Rxc3 26. Rd2 Ba6 27. Nd1 Re1+ 28. Kf2 Rf1+ 29. Kg3 Rd3 30. Rxd3 Bxd3 31. Rc1 Kg7 32. Rc7 Rxd1 33. Rxa7 Ra1 34. Kf4 Bc2 35. Rb7 Rxa2 36. Rxb6 Bd1 37. Kg3 Rb2 38. b4 Be2 39. Kf2 Bc4+ 40. Kg1 g5 41. h4 gxh4 42. Kh2 Bf1 |
| ECO A05 in 1988 play it! riemersma liafbe defeats white's kamaras peter in 78 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 e5 7. d4 Nbd7 8. Rb1 c6 9. b4 exd4 10. Nxd4 Nb6 11. Qd3 Nfd7 12. f4 c5 13. Ndb5 cxb4 14. Ne4 Nc5 15. Qxd6 Nxe4 16. Bxe4 Bh3 17. Bg2 Bxg2 18. Kxg2 a6 19. Qxd8 Raxd8 20. c5 Na4 21. Nd6 Nxc5 22. Be3 b6 23. Nc4 a5 24. Nxa5 bxa5 25. Bxc5 Rfe8 26. e3 Rd2+ 27. Rf2 Rxf2+ 28. Kxf2 Rc8 29. Be7 Rc7 30. Bd6 Rc2+ 31. Kf3 Rxa2 32. e4 Bc3 33. h4 Rd2 34. e5 f5 35. g4 Kf7 36. h5 Rd3+ 37. Ke2 Rd4 38. hxg6+ Kxg6 39. gxf5+ Kxf5 |
| ECO A05 in 1986 play it! riemersma liafbe defeats white's grooten herman in 78 moves | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. h3 e5 7. d5 Nh5 8. g3 f5 9. Be2 Qe8 10. Nd2 Na6 11. a3 Nc5 12. b4 Nxe4 13. Ndxe4 fxe4 14. Be3 a5 15. Rc1 axb4 16. axb4 Qf7 17. Nxe4 Nf6 18. Ng5 Qe7 19. Bg4 Nxg4 20. hxg4 h6 21. Ne4 Qd7 22. f3 Qf7 23. O-O Ra3 24. Qd2 h5 25. c5 hxg4 26. fxg4 Qd7 27. Rxf8+ Kxf8 28. cxd6 Qxg4 29. Qf2+ Kg8 30. Rxc7 Ra1+ 31. Bc1 Bf5 32. Nd2 Qd1+ 33. Qf1 Rxc1 34. Rxc1 Qxd2 35. Ra1 Bh6 36. Ra8+ Kg7 37. Qg2 Qd1+ 38. Kh2 Qh5+ 39. Kg1 Be3+ |
| ECO A04 in 1995 play it! riemersma liafbe defeats white's langeweg kick in 74 moves | 1. Nf3 g6 2. d4 Nf6 3. b3 Bg7 4. Bb2 O-O 5. g3 d5 6. Bg2 Ne4 7. O-O c5 8. e3 Nc6 9. Nbd2 Bg4 10. h3 Nxd2 11. Qxd2 Bxf3 12. Bxf3 cxd4 13. exd4 Rc8 14. Rfd1 e6 15. Bg2 b5 16. c3 Qb6 17. Ba3 b4 18. Bxb4 Nxb4 19. cxb4 Rc7 20. a4 Rfc8 21. a5 Qb8 22. Bf1 Rc2 23. Qe1 Rb2 24. Ba6 Rcc2 25. Rac1 Bf8 26. Rxc2 Rxc2 27. b5 Qd6 28. b6 axb6 29. Bd3 Ra2 30. a6 Qa3 31. Rb1 Bb4 32. Qc1 Qa5 33. Qc6 Be1 34. b4 Bxf2+ 35. Kf1 Qa3 36. Rd1 Bxd4 37. Be2 Qe3 |
| ECO A04 in 1993 play it! riemersma liafbe defeats white's velikov peter in 58 moves | 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 Nf6 6. d3 O-O 7. a3 d5 8. Nbd2 e5 9. e4 h6 10. Qe2 Be6 11. b4 a6 12. Bb2 cxb4 13. cxb4 dxe4 14. dxe4 Nd7 15. Rfd1 Nb6 16. Rac1 Qe7 17. Qe3 Na4 18. Ba1 Rfd8 19. Bf1 Nd4 20. Bc4 Bg4 21. Re1 a5 22. bxa5 Rxa5 23. Nxd4 exd4 24. Qf4 Be6 25. e5 Nc3 26. Bxc3 dxc3 27. Rxc3 g5 28. Qe3 Rxe5 29. Ne4 Rxe4 |
| ECO A05 in 1987 play it! riemersma liafbe defeats white's hoeksema erik in 58 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. d4 d6 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. Rc1 Ng6 15. Nb5 a6 16. Na3 g4 17. cxd6 cxd6 18. Nc4 g3 19. h3 Bxh3 20. gxh3 b5 21. Re1 bxc4 22. Rxc4 Nh4 23. Bf1 h5 24. Bg2 Nh7 25. Rf1 Ng5 26. Qa4 Rc8 27. Rb4 Rc7 28. Rb6 Qc8 29. Rc6 Qxh3 |
| ECO A05 in 1990 play it! riemersma liafbe defeats white's mendola d in 52 moves | 1. Nf3 Nf6 2. c4 e6 3. b3 b6 4. g3 Bb7 5. Bg2 Be7 6. Bb2 O-O 7. O-O c5 8. d3 Nc6 9. Nc3 d5 10. cxd5 exd5 11. d4 Re8 12. e3 cxd4 13. Nxd4 Ne5 14. Qe2 Bc5 15. Rfd1 Qe7 16. Qc2 Rac8 17. Qf5 Neg4 18. Nce2 Ba6 19. Qf3 Ne5 20. Qf5 Ne4 21. Nf4 g6 22. Qh3 Nxf2 23. Kxf2 Ng4+ 24. Kf3 Qe4+ 25. Kxg4 f5+ 26. Kg5 Be7+ |
| ECO A05 in 1985 play it! riemersma liafbe defeats white's miller brian in 70 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Nd3+ 7. Ke2 Nf4+ 8. Kf1 Ne6 9. b4 cxb4 10. Nd5 g6 11. Bb2 Bg7 12. Bxg7 Nxg7 13. Qc1 Nc6 14. d4 Bd7 15. Qf4 Ne6 16. Qh6 Qb8 17. g3 Na5 18. Bd3 Qd6 19. Kg2 O-O-O 20. Rab1 Nc6 21. Rhc1 Kb8 22. Rc4 g5 23. Nxg5 Nf4+ 24. Nxf4 Qxh6 25. Nxf7 Qg7 26. Nxh8 e5 27. Nf7 Qxf7 28. Nd5 a5 29. a3 Nxd4 30. f4 Qh5 31. Rxd4 exd4 32. axb4 Bh3+ 33. Kf2 Bg4 34. h4 Rxd5 35. exd5 Qxd5 |
| ECO A04 in 1995 play it! riemersma liafbe defeats white's van der werf mar in 94 moves | 1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 e6 6. d3 Nge7 7. h4 h6 8. Bd2 d5 9. a3 b6 10. O-O O-O 11. Rb1 a5 12. Qc1 Kh7 13. Nb5 a4 14. cxd5 exd5 15. b4 axb3 16. Rxb3 d4 17. Bf4 Be6 18. Rb2 Nd5 19. Qd2 Qd7 20. Rc1 Ra5 21. Kh2 Rfa8 22. Nd6 Rxa3 23. Nc4 R3a6 24. Nfe5 Nxe5 25. Nxe5 Qd8 26. Be4 f5 27. Bxd5 Bxd5 28. Nc4 Bxc4 29. Rxc4 Qd7 30. Rc1 Qd5 31. Rcb1 Ra2 32. Kg1 b5 33. Qc1 Rxb2 34. Rxb2 c4 35. dxc4 bxc4 36. Qb1 c3 37. Rb6 Qe4 38. Qc1 Ra2 39. Rd6 Qxe2 40. Qf1 Qxf1+ 41. Kxf1 c2 42. Kg2 Be5 43. Rd7+ Kg8 44. Rd8+ Kf7 45. Bxh6 f4 46. Rf8+ Ke7 47. Rc8 Kd7 |
| ECO A05 in 1987 play it! riemersma liafbe defeats white's wians camille in 58 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 Nc6 6. O-O d6 7. Rb1 a5 8. a3 e5 9. d3 h6 10. b4 axb4 11. axb4 Be6 12. b5 Ne7 13. Bb2 Qd7 14. c5 Nfd5 15. e4 Nb4 16. cxd6 Qxd6 17. d4 Bc4 18. dxe5 Qc5 19. Ne2 Rfd8 20. Qc1 Qxb5 21. Nfd4 Qa6 22. e6 Nd3 23. exf7+ Kxf7 24. Qe3 Nxb2 25. Rxb2 c5 26. e5 cxd4 27. Qf4+ Kg8 28. Rxb7 Ra7 29. e6 Rxb7 |
| ECO A15 in 1991 play it! riemersma liafbe defeats white's reich thomas in 79 moves | 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 O-O 5. d4 d6 6. Be2 e5 7. d5 a5 8. Bg5 Na6 9. Nd2 h6 10. Bh4 Qe8 11. b3 Nh7 12. a3 Bd7 13. Ra2 h5 14. f3 f5 15. Bf2 Qe7 16. Qb1 Qg5 17. Rg1 Bh6 18. b4 axb4 19. axb4 c5 20. dxc6 bxc6 21. h4 Qf6 22. c5 Nc7 23. Nc4 Rxa2 24. Qxa2 Be6 25. Qa7 Nb5 26. Nxb5 cxb5 27. Nxd6 fxe4 28. Nxe4 Qf4 29. Qa1 Nf6 30. g3 Qf5 31. Nxf6+ Rxf6 32. Qa8+ Rf8 33. Qe4 Qf7 34. Bxb5 Bd5 35. Qxe5 Bg7 36. Qf4 Qb7 37. Qd2 Rxf3 38. Ba6 Qf7 39. Bb5 Qe6+ 40. Be2 |
| ECO A21 in 1995 play it! riemersma liafbe defeats white's gunnarsson arnar in 104 moves | 1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. e3 Bg7 6. Nge2 Nge7 7. O-O O-O 8. Rb1 Bg4 9. h3 Be6 10. d3 d5 11. cxd5 Nxd5 12. a3 a5 13. Qc2 Nb6 14. Ne4 Nd7 15. b3 Qe7 16. Bb2 Rad8 17. f4 Nb6 18. fxe5 Nxe5 19. Bd4 Rfe8 20. Nc5 Bc8 21. Nxb7 Bxb7 22. Bxb7 Nxd3 23. Qxd3 c5 24. Bc6 Rf8 25. Qb5 cxd4 26. Qxb6 Qxe3+ 27. Rf2 Rd6 28. Qc5 Rf6 29. Qxd4 Qxd4 30. Nxd4 Rd6 31. Rc2 Bxd4+ 32. Kg2 Rc8 33. Rd1 Rdxc6 34. Rxc6 Rxc6 35. Rxd4 Rc2+ 36. Kg1 Rc3 37. Rd5 Rxg3+ 38. Kh2 Rxb3 39. Rxa5 h5 40. Ra7 Kg7 41. Kg2 g5 42. a4 Ra3 43. Kh2 Kg6 44. Ra6+ f6 45. Ra8 Kf5 46. Ra5+ Kf4 47. Ra6 f5 48. Kg2 Ra2+ 49. Kf1 Kf3 50. Ke1 g4 51. Rh6 g3 52. Rxh5 f4 |
| ECO A15 in 1996 play it! riemersma liafbe defeats white's bosboom manuel in 74 moves | 1. c4 Nf6 2. Nf3 e6 3. d4 d5 4. Nc3 c6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. Be2 Bb7 10. O-O a6 11. Ne5 Nbd7 12. f4 gxf4 13. Bxf4 Qe7 14. Rb1 Bg7 15. b3 cxb3 16. Rxb3 c5 17. Nxb5 axb5 18. Bxb5 O-O 19. Bxd7 Bxe4 20. Bb5 Rxa2 21. Rg3 Qb7 22. Be2 Qb2 23. Bf3 Bxf3 24. Qxf3 Qxd4+ 25. Kh1 Nh5 26. Qxh5 Qxf4 27. Nf3 e5 28. Rg4 Qf6 29. Kg1 Rfa8 30. Re4 Ra1 31. Rxa1 Rxa1+ 32. Kf2 Ra2+ 33. Kg1 Ra1+ 34. Kf2 Qe6 35. h3 f5 36. Re2 e4 37. Nh4 Bd4+ |
| ECO A03 in 1995 play it! riemersma liafbe defeats white's de ruiter tom in 44 moves | 1. f4 d5 2. b3 c5 3. Bb2 d4 4. Nf3 Nc6 5. e3 g6 6. Bb5 Bd7 7. O-O Bg7 8. a4 a6 9. Bxc6 Bxc6 10. Qe1 Nh6 11. Na3 b5 12. axb5 axb5 13. exd4 Bxf3 14. Rxf3 Bxd4+ 15. Bxd4 Qxd4+ 16. Kh1 O-O 17. c3 Qd7 18. Nc2 Rxa1 19. Nxa1 Ra8 20. b4 cxb4 21. cxb4 Qxd2 22. Re3 Qxe3 |
| ECO A00 in 1997 play it! riemersma liafbe defeats white's serdijn geralt o in 56 moves | 1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. e3 Nf6 5. Nf3 Qe7 6. c4 c6 7. Nc3 d4 8. Ne2 c5 9. bxc5 Bxc5 10. Nxe5 Qxe5 11. exd4 Ng4 12. Qa4+ Bd7 13. Qxd7+ Nxd7 14. dxe5 Nxf2 15. Nf4 Nxh1 16. d4 Bb6 17. c5 Ba5+ 18. Ke2 O-O-O 19. Kf3 Nxe5+ 20. dxe5 Rd2 21. Rb1 Rf2+ 22. Ke4 f5+ 23. exf6 Re8+ 24. Kf5 g6+ 25. Kg5 h6+ 26. Kg4 h5+ 27. Kg5 Rxf4 28. Kxf4 Bd2+ |
| ECO A00 in 1985 play it! riemersma liafbe defeats white's van der weijden in 45 moves | 1. e3 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. Be2 O-O 6. h3 Re8 7. O-O e5 8. d3 Nc6 9. a3 d5 10. cxd5 Nxd5 11. Nxd5 Qxd5 12. e4 Qd6 13. Be3 a5 14. Qc2 a4 15. b4 axb3 16. Qxb3 Be6 17. Qc3 Nd4 18. Bxd4 exd4 19. Qb2 c5 20. Rfb1 b5 21. a4 bxa4 22. Qb5 Reb8 23. Rxa4 |
| ECO A00 in 1994 play it! riemersma liafbe defeats white's welling gerard in 52 moves | 1. d3 d5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. Bd2 O-O 6. Qc1 d4 7. Ne4 Nxe4 8. dxe4 c5 9. h4 h5 10. f4 Nd7 11. Nh3 Nf6 12. Nf2 e5 13. e3 Ng4 14. Nxg4 Bxg4 15. exd4 Qxd4 16. Be3 Qc4 17. Kf2 exf4 18. gxf4 Bxb2 19. Qf1 Qxc2+ 20. Kg3 Bxa1 21. Qxa1 Rad8 22. f5 Rd3 23. Re1 Qd2 24. Kf4 g5+ 25. hxg5 Qxg2 26. g6 f6 |
| ECO B20 in 1993 play it! riemersma liafbe defeats white's seeman tonu in 104 moves | 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O e5 6. d3 Nge7 7. Be3 d6 8. c3 O-O 9. d4 cxd4 10. cxd4 Bg4 11. f3 exd4 12. Nxd4 Bd7 13. Nc3 Qb6 14. Nce2 Qxb2 15. Rb1 Qa3 16. Bf2 Nxd4 17. Nxd4 b6 18. Nc2 Qxa2 19. Qxd6 Rad8 20. Nb4 Qe6 21. Qc7 Bb5 22. Rfc1 Rd7 23. Qc2 Rfd8 24. Rd1 Bd4 25. Bxd4 Rxd4 26. Rxd4 Rxd4 27. f4 Qd7 28. h4 Rd2 29. Qc3 Qd4+ 30. Qxd4 Rxd4 31. Nc2 Bd3 32. Rd1 Rd7 33. Ne3 Bb5 34. Rb1 Bc6 35. Ng4 Rd2 36. Rc1 Kg7 37. Ne5 Rd6 38. Ra1 a5 39. Nc4 Rd3 40. Kh2 Rb3 41. Ne5 Be8 42. Rc1 a4 43. Rc7 Kf8 44. h5 a3 45. Ra7 Nc6 46. Nxc6 Bxc6 47. h6 Rb2 48. Kh3 a2 49. g4 b5 50. f5 gxf5 51. gxf5 b4 52. f6 Rb3+ |
| ECO B50 in 1990 play it! riemersma liafbe defeats white's peelen piet in 70 moves | 1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. g3 g6 5. Bg2 Bg7 6. O-O Nc6 7. d3 Nf6 8. h3 O-O 9. Be3 Qc7 10. a4 Rb8 11. Nh4 b5 12. axb5 axb5 13. f4 b4 14. Ne2 Nd7 15. Rb1 Ra8 16. f5 Ra2 17. b3 Nd4 18. Rc1 Nxe2+ 19. Qxe2 Ne5 20. g4 Nc6 21. Rf2 Nd4 22. Qf1 d5 23. Bf4 Qd8 24. fxg6 hxg6 25. exd5 Bb7 26. Bg5 Bxd5 27. Bxd5 Qxd5 28. Bxe7 Re8 29. c4 Rxf2 30. Qxf2 Qd7 31. Bg5 Ne2+ 32. Kg2 Nxc1 33. Bxc1 Qxd3 34. Bf4 Re2 35. Kg1 Qd1+ |