| ECO A21 in 1998 play it! van mechelen jan defeats white's fuderer andrija in 50 moves | 1. c4 e5 2. Nc3 Bb4 3. Nf3 Bxc3 4. dxc3 Nc6 5. g3 d6 6. Bg2 Nge7 7. O-O O-O 8. e4 Be6 9. b3 f6 10. Ne1 a6 11. Nc2 b5 12. cxb5 axb5 13. Ne3 Na5 14. Bb2 Nb7 15. Qe2 c6 16. f4 Qb6 17. Kh1 Ra7 18. fxe5 dxe5 19. c4 Rfa8 20. a3 b4 21. axb4 Rxa1 22. Rxa1 Rxa1+ 23. Bxa1 Qxb4 24. Qd1 Na5 25. Bb2 Nxb3 |
| ECO A10 in 2003 play it! van mechelen jan defeats white's van parijs frede in 22 moves | 1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 e5 5. e4 Nc6 6. Nge2 h5 7. d3 h4 8. Be3 Nd4 9. Qd2 h3 10. O-O hxg2 11. Kxg2 Bh3+ |
| ECO A20 in 1999 play it! van mechelen jan defeats white's tonoli walter in 62 moves | 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. a3 d5 5. cxd5 cxd5 6. d4 Nc6 7. dxe5 Nxe5 8. Bg5 Bc5 9. e3 Bf5 10. Nf3 Nd3+ 11. Kf1 Nxf2 12. Qa4+ Bd7 13. Qc2 N2e4 14. Bxf6 Qxf6 15. Nc3 Bh3 16. Qd1 Nxc3 17. bxc3 Qa6+ 18. Kf2 Bxe3+ 19. Kxe3 Bxg2 20. Re1 O-O 21. Qxd5 Rad8 22. Qf5 g6 23. Qc2 Bxf3 24. Kxf3 Rd3+ 25. Kg2 Qc6+ 26. Kg1 Rfd8 27. c4 Rd2 28. Qe4 Qc5+ 29. Qe3 Qh5 30. h4 Qg4 31. Rf1 Qh3 |
| ECO A00 in 1996 play it! van mechelen jan defeats white's polyglot fruitbo in 38 moves | 1. b4 e5 2. Bb2 f6 3. a3 d5 4. e3 Be6 5. Nf3 a5 6. b5 Nh6 7. Be2 c5 8. bxc6 bxc6 9. O-O Nd7 10. d3 Rb8 11. Qc1 Bd6 12. Nbd2 O-O 13. c4 f5 14. g3 g5 15. d4 e4 16. Ne5 Bxe5 17. dxe5 f4 18. Rb1 f3 19. Bd1 Qe8 |
| ECO A00 in 1973 play it! van mechelen jan defeats white's zobel t in 46 moves | 1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 Bd6 5. c4 Nbd7 6. Nf3 O-O 7. d3 c6 8. a4 a6 9. bxc6 bxc6 10. Bc3 a5 11. Nbd2 Bb4 12. Bxb4 axb4 13. Nb3 dxc4 14. dxc4 c5 15. Be2 Qc7 16. O-O Rd8 17. Qc2 Bb7 18. Rfd1 Ne4 19. Bd3 Ndf6 20. Nfd2 Nxf2 21. Kxf2 Ng4+ 22. Ke2 Qxh2 23. Be4 Qg3 |
| ECO A01 in 2003 play it! van mechelen jan defeats white's cornelis eric in 44 moves | 1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Bxc6 dxc6 6. Ne2 Qe7 7. d4 e4 8. c4 c5 9. Nbc3 c6 10. Qc2 Bf5 11. Na4 cxd4 12. Nxd4 Bg6 13. c5 Bc7 14. h3 Nd7 15. Ne2 O-O 16. O-O Rad8 17. Rad1 Ne5 18. Nf4 Bf5 19. Nh5 Qg5 20. Ng3 Bg6 21. Nxe4 Nf3+ 22. Kh1 Qh4 |
| ECO A00 in 1996 play it! van mechelen jan defeats white's de kruif kees by checkmate in 76 moves | 1. a3 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 e5 5. e3 f5 6. d3 Nf6 7. Qc2 O-O 8. Be2 Nc6 9. O-O h6 10. b4 g5 11. Bb2 g4 12. Nd2 f4 13. Nce4 Nxe4 14. dxe4 Qg5 15. exf4 exf4 16. Bxg7 Kxg7 17. Qc3+ Kh7 18. Rad1 f3 19. Bd3 fxg2 20. Kxg2 Ne5 21. Kh1 c5 22. bxc5 dxc5 23. Be2 Bd7 24. Qg3 Ba4 25. Nb3 b6 26. Rd6 Bc6 27. Bxg4 Bxe4+ 28. f3 Qxg4 29. Qxg4 Nxg4 30. Nd2 Ne3 31. Rd7+ Kh8 32. Re1 Bxf3+ 33. Kg1 Rae8 34. Nxf3 Rxf3 35. Rxa7 Ref8 36. h4 Rg8+ 37. Kh2 Nf1+ 38. Kh1 Rh3# |
| ECO B90 in 2002 play it! van mechelen jan defeats white's thirion marcel b in 68 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 Be6 9. Qd2 O-O 10. O-O-O a5 11. Kb1 a4 12. Nc1 a3 13. b3 Ra5 14. b4 Ra8 15. g4 Nc6 16. Nd5 Bxd5 17. exd5 Nd4 18. Bxd4 exd4 19. g5 Nxd5 20. Qxd4 Nc7 21. f4 Ne6 22. Qe4 Qc7 23. Bd3 g6 24. Ne2 d5 25. Qxd5 Bxb4 26. f5 Nc5 27. fxg6 hxg6 28. Qc4 Ra4 29. Nc3 Qe5 30. Nxa4 Nxa4 31. c3 Nxc3+ 32. Kc2 Nxd1 33. Qxb4 Nf2 34. Rg1 Rc8+ |
| ECO B23 in 1995 play it! van mechelen jan defeats white's van linde paul n in 44 moves | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. g3 Bg7 5. Bg2 d6 6. d3 e5 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Ne2 Nxe2+ 11. Qxe2 exf4 12. Bxf4 Bxb2 13. Rab1 Bg7 14. Nd2 Nc6 15. Kh1 Qe7 16. Nc4 Ne5 17. Qd2 Be6 18. Ne3 Bxa2 19. Nd5 Qd7 20. Rbd1 Bxd5 21. exd5 b5 22. c3 a5 |
| ECO B90 in 2007 play it! van mechelen jan defeats white's bolzoni victor a in 126 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Be7 8. Bg2 Qc7 9. Be3 Nc6 10. O-O O-O 11. Qe2 Re8 12. Qc4 Nd7 13. f4 Nb6 14. Qb3 Nxd4 15. Bxd4 Nc4 16. Rf2 b5 17. a4 Na5 18. Qa2 b4 19. Nd1 e5 20. Be3 Be6 21. b3 exf4 22. Bxf4 Bf6 23. Rb1 Bd4 24. Be3 Be5 25. Rd2 Rac8 26. Bf1 Qc6 27. Nf2 Bc3 28. Rd3 Nb7 29. Bf4 d5 30. Bg2 d4 31. Rf1 Nc5 32. Rdd1 Rcd8 33. Qb1 a5 34. Bd2 d3 35. Nxd3 Nxd3 36. cxd3 Bxd2 37. Rxd2 Qc3 38. Rff2 Bxb3 39. d4 Bxa4 40. Ra2 Bb3 41. Rxa5 Rxd4 42. Rf3 Rd1+ 43. Qxd1 Bxd1 44. Rxc3 bxc3 45. Rc5 c2 46. Bf1 Ra8 47. Bd3 Bxg4 48. Kg2 Be6 49. Rxc2 Ra3 50. Rd2 Kf8 51. h4 Ke7 52. Be2 Kf6 53. Bf3 Ke5 54. Kg3 h5 55. Kf2 g6 56. Kg2 Ra2 57. Rxa2 Bxa2 58. Kg3 Bb1 59. Bg2 Bxe4 60. Bf1 f6 61. Be2 Bd5 62. Bd1 Bf7 63. Bc2 g5 |
| ECO B20 in 2006 play it! van mechelen jan defeats white's charlier laurent by checkmate in 50 moves | 1. e4 c5 2. a3 Nf6 3. e5 Nd5 4. c4 Nc7 5. b4 d6 6. Bb2 dxe5 7. Bxe5 Nc6 8. Bc3 e5 9. Nf3 f6 10. b5 Nd4 11. a4 Be7 12. Na3 O-O 13. h3 e4 14. Nh2 f5 15. Qb1 f4 16. Qxe4 Bf5 17. Qxb7 Qd6 18. Bxd4 Qxd4 19. Ra2 Bh4 20. Nf3 Qxf2+ 21. Kd1 Rfe8 22. Nc2 Rad8 23. Qxc7 Rxd2+ 24. Nxd2 Re1+ 25. Nxe1 Qxe1# |
| ECO B52 in 2003 play it! van mechelen jan defeats white's wolferink frans in 60 moves | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. Re1 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Ng5 Nxg5 12. Bxg5 Bb4 13. Re2 Ba5 14. Rc2 Bb6 15. Be3 O-O 16. Nc3 f6 17. exf6 Rxf6 18. Na4 Bc7 19. Nc5 Qd6 20. Qh5 Nb4 21. Rd2 b6 22. Nd3 Nxd3 23. Rxd3 Raf8 24. Rc1 Rf5 25. Qh3 Qd7 26. Rdc3 Bb8 27. Qg4 Bf4 28. Bxf4 Rxf4 29. Qg3 Qa4 30. Rc7 Qxd4 |
| ECO B25 in 1995 play it! van mechelen jan defeats white's stam martijn by checkmate in 82 moves | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nge2 Nge7 8. Be3 Nd4 9. Qd2 Bg4 10. h3 Bf3 11. O-O Bxg2 12. Kxg2 f5 13. fxe5 dxe5 14. Bg5 h6 15. Bxe7 Qxe7 16. Nd5 Qd7 17. Nxd4 cxd4 18. c4 dxc3 19. bxc3 O-O 20. a4 Kh7 21. a5 g5 22. Qe2 f4 23. g4 Kg6 24. Kf3 Rh8 25. Rh1 h5 26. c4 Bf8 27. Rh2 Bc5 28. Qc2 Rh7 29. Rah1 Rah8 30. Qb2 Bd4 31. Qc2 hxg4+ 32. hxg4 Rxh2 33. Rxh2 Rh4 34. Qg2 Qh7 35. Rxh4 gxh4 36. Qh3 Kg5 37. Qh2 Qd7 38. Qg2 Qa4 39. Qd2 Qa1 40. Nxf4 Qf1+ 41. Qf2 Qxf2# |
| ECO B25 in 2002 play it! van mechelen jan defeats white's boons p in 76 moves | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. h3 Rb8 9. O-O O-O 10. Ne2 b6 11. c3 Qd7 12. Qe1 Ba6 13. Qd1 Kh8 14. g4 f5 15. Re1 Rbc8 16. Ng3 h6 17. exf5 exf5 18. Nh4 Bf6 19. g5 hxg5 20. fxg5 Be5 21. Nh1 Kh7 22. Nf3 Bg7 23. h4 Ne5 24. Nxe5 dxe5 25. Nf2 Rcd8 26. c4 Bb7 27. Re3 Bxg2 28. Kxg2 Qb7+ 29. Kg1 e4 30. h5 Bd4 31. Rh3 Rh8 32. Qe2 Nc6 33. dxe4 Bxf2+ 34. Qxf2 Rd1+ 35. Kh2 Nd4 36. hxg6+ Kg7 37. Rxh8 Qxe4 38. Bf4 Rxa1 |
| ECO B23 in 2003 play it! van mechelen jan defeats white's hennipman rene in 102 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. h4 Nf6 5. e5 Ng4 6. h5 Bg7 7. Ng5 Nh6 8. f4 d6 9. e6 f6 10. Nf7 Nxf7 11. exf7+ Kxf7 12. Bc4+ e6 13. f5 gxf5 14. h6 Bf8 15. Qh5+ Ke7 16. d3 Qe8 17. Qh2 Qg6 18. Bd2 Qg4 19. O-O Rg8 20. Rae1 Ne5 21. Nb5 Bd7 22. Bf4 Kd8 23. Re3 Qg6 24. Rg3 Qf7 25. Rxg8 Qxg8 26. Bxe5 fxe5 27. Rxf5 Bxb5 28. Bxe6 Qxe6 29. Rxf8+ Be8 30. Qg3 Rc8 31. Qg5+ Qe7 32. Qg8 c4 33. dxc4 e4 34. Rf2 Rc5 35. Re2 Rg5 36. Qh8 Kc7 37. Qd4 Bc6 38. Qxa7 Qe5 39. Qe3 Rg3 40. Qf2 Qc5 41. b4 Qxf2+ 42. Kxf2 Rg5 43. b5 Be8 44. a4 Bg6 45. Ke3 Rg3+ 46. Kd4 Ra3 47. c3 Rxa4 48. Rf2 Ra1 49. g4 Rd1+ 50. Ke3 Rd3+ 51. Kf4 Rf3+ |
| ECO B92 in 2000 play it! van mechelen jan defeats white's de meyer geert in 90 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Qc7 8. O-O h6 9. Re1 Be7 10. a4 Be6 11. Bf1 O-O 12. h3 Nbd7 13. a5 Qc6 14. Qe2 Rfe8 15. Bd2 Rac8 16. Rac1 Bd8 17. b4 Bc4 18. Qxc4 Qxc4 19. Bxc4 Rxc4 20. Rb1 Nb8 21. Nd5 Nxe4 22. Ne3 Rc8 23. c4 Nxd2 24. Nxd2 Bg5 25. Ne4 Bxe3 26. Rxe3 Re6 27. Rd3 Rxc4 28. Nxd6 Rc7 29. Ne4 Nc6 30. Nc5 Ree7 31. Rd5 Nd4 32. Rd8+ Kh7 33. Rd1 Nc6 34. Rf8 Nxb4 35. Ne4 Nc6 36. g4 Nxa5 37. Rdd8 Kg6 38. h4 h5 39. f3 Red7 40. Rde8 Rc2 41. Nf2 f6 42. g5 Nc4 43. gxf6 gxf6 44. Re6 Rf7 45. Rd8 Kf5 |
| ECO B90 in 2007 play it! van mechelen jan defeats white's pelle guillaume in 116 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O b4 9. Na4 Bd7 10. Be3 Nc6 11. f4 Rb8 12. c3 Be7 13. cxb4 Rxb4 14. Bc2 O-O 15. b3 Nxd4 16. Bxd4 Bc6 17. Nc3 Qa8 18. a3 Rbb8 19. Qe2 Rfd8 20. Rf3 Rbc8 21. Rg3 e5 22. fxe5 dxe5 23. Bxe5 Qa7+ 24. Kh1 Qc5 25. Bf4 Nh5 26. Qe3 Qxe3 27. Bxe3 Nxg3+ 28. hxg3 Bb7 29. Bb6 Rd2 30. Bd1 Rxc3 31. Ba5 Rcd3 32. Bxd2 Rxd2 33. Bf3 Bf6 34. Rc1 Be5 35. Rc5 f6 36. b4 Bxg3 37. Bh5 g6 38. Bg4 f5 39. exf5 Bxg2+ 40. Kg1 Bf2+ 41. Kxg2 Bxc5+ 42. Kf3 Bd6 43. fxg6 hxg6 44. Ke4 Kf7 45. Bc8 g5 46. Bxa6 g4 47. Bc8 g3 48. Bh3 g2 49. Bxg2 Rxg2 50. Kd5 Ke7 51. Kc6 Ra2 52. b5 Rxa3 53. b6 Ra8 54. b7 Rb8 55. Kb6 Kd7 56. Ka6 Kc7 57. Ka7 Rxb7+ 58. Ka6 Rb4 |
| ECO B53 in 1999 play it! van mechelen jan defeats white's thirion marcel in 66 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. O-O-O Be7 10. Rhe1 O-O 11. Qd2 Qa5 12. Kb1 Qa6 13. Nd4 Rfd8 14. Re3 b5 15. Qd3 Be8 16. Rh3 Qb7 17. f4 b4 18. Nce2 h6 19. Bxf6 Bxf6 20. g4 g6 21. Rxh6 Bg7 22. Rh3 e5 23. Nf3 Bb5 24. Qe3 Bxe2 25. Qxe2 exf4 26. Qd3 Re8 27. Ng5 Qe7 28. Nh7 Qe5 29. c3 bxc3 30. Qxc3 Qxe4+ 31. Qc2 Rab8 32. Qxe4 Rxb2+ 33. Ka1 Rxe4 |
| ECO B23 in 2003 play it! van mechelen jan defeats white's ghysels chris be in 64 moves | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. a4 e6 7. e5 a6 8. Bc4 d5 9. exd6 Qxd6 10. d3 b6 11. Ne4 Qc7 12. c3 Nxf3+ 13. Qxf3 Rb8 14. O-O Bb7 15. Qe2 Rd8 16. Ng5 Nh6 17. f5 Nxf5 18. Bxe6 O-O 19. Bxf5 gxf5 20. Rxf5 Qd7 21. Qf1 Qxd3 22. Rxf7 Qxf1+ 23. Rxf1 Rxf1+ 24. Kxf1 Rd1+ 25. Kf2 Be5 26. g3 h6 27. Nf3 Bxf3 28. Kxf3 h5 29. Bf4 Rxa1 30. Bxe5 Rxa4 31. Bc7 b5 32. Bd6 Ra2 |
| ECO B98 in 1996 play it! van mechelen jan defeats white's pick stepan in 72 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qa5 9. Nb3 Qc7 10. O-O-O Nc6 11. Bd3 h6 12. Bh4 g5 13. fxg5 Ne5 14. Qe2 Nh7 15. Bf2 hxg5 16. h3 Nf8 17. Kb1 Nfg6 18. g3 Bd7 19. Bd4 b5 20. a3 f6 21. Nd2 Nc6 22. Be3 Nge5 23. h4 g4 24. Nb3 Qb7 25. Na2 Nf3 26. Rhf1 Ncd4 27. Nc3 Bd8 28. Nxd4 b4 29. axb4 Qxb4 30. Nxf3 Rb8 31. Bc1 gxf3 32. Qe1 Ba5 33. Ka1 Ke7 34. Rh1 Rhc8 35. Qd2 Qb6 36. Ka2 Bxc3 |