| ECO C40 in 1994 play it! diepstraten l defeats black's gaard k in 43 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. f3 exf3 8. Qxf3 Nc6 9. d5 Ne5 10. Nxe5 dxe5 11. Bd3 Qf6 12. Bb5+ Bd7 13. Bxd7+ Kxd7 14. Qg4+ Ke8 15. Bg5 Qg6 16. O-O-O Be7 17. Qa4+ c6 18. Bxe7 Nxe7 19. d6 Nf5 20. d7+ Kd8 21. Qa5+ b6 22. Qxe5 |
| ECO C40 in 1985 play it! diepstraten l defeats black's borrmann f in 71 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Be2 Ne7 7. O-O Nbc6 8. d5 Nd4 9. Nc3 Bf5 10. Ne3 Nxe2+ 11. Qxe2 O-O-O 12. Nxf5 Qxf5 13. Rd1 Re8 14. Qc4 Kb8 15. Nb5 Qd7 16. Be3 Nc8 17. a4 Be7 18. Qxe4 Bg5 19. Qd3 Bxe3 20. fxe3 Re5 21. e4 Rhe8 22. Nc3 Qg4 23. Re1 Rh5 24. Re3 Qf4 25. Rg3 Ree5 26. Rf1 Qh6 27. h3 Rh4 28. Re3 g6 29. Rff3 Nb6 30. a5 Nc8 31. a6 Nb6 32. axb7 Kxb7 33. Qb5 Re7 34. Qc6+ Kb8 35. Nb5 a6 36. Nxd6 |
| ECO C40 in 1983 play it! diepstraten l defeats black's tiemann h in 41 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qf7 6. Ne3 c6 7. d3 exd3 8. Bxd3 d5 9. O-O Nf6 10. Re1 Be6 11. Bf5 Ne4 12. Nxe4 dxe4 13. Qg4 Bxf5 14. Nxf5 Nd7 15. Rxe4+ Kd8 16. Bg5+ Kc8 17. Ne7+ Kc7 18. Rd1 Nc5 19. Qg3+ Kb6 20. Rb4+ Ka5 21. Qa3+ |
| ECO C40 in 1991 play it! diepstraten l defeats black's kozlov v in 27 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qf7 6. Ne3 c6 7. d3 exd3 8. Bxd3 d5 9. O-O Bc5 10. Nexd5 cxd5 11. Nxd5 Be6 12. Nf4 Ne7 13. Nxe6 Qxe6 14. Qh5+ |
| ECO C40 in 1960 play it! diepstraten l defeats black's hudley j in 43 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. d5 Nf6 8. Be3 Be7 9. Nb5 Na6 10. Na5 O-O 11. Qd2 Kh8 12. O-O-O Ng4 13. Kb1 Nxe3 14. fxe3 Bg5 15. Bc4 Bd7 16. h4 Bf6 17. h5 Qe8 18. Nd4 Qe5 19. c3 Nc5 20. a3 Bg4 21. Rdf1 Bxh5 22. Rf5 |
| ECO C40 in 1984 play it! diepstraten l defeats black's koelink s in 79 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qf7 6. Ne3 c6 7. d3 exd3 8. Bxd3 d5 9. O-O Be7 10. Re1 Nf6 11. Nf5 Bxf5 12. Bxf5 Nbd7 13. Qd4 g6 14. Be6 Qf8 15. Bg5 Qg7 16. Ne4 Rf8 17. Nxf6+ Nxf6 18. Qe5 h6 19. Bxf6 Qxf6 20. Qc7 Rd8 21. Kh1 Qg5 22. Re5 Qf4 23. Bxd5 Qxe5 24. Bxc6+ bxc6 25. Qxe5 Kf7 26. Re1 Bd6 27. Qe6+ Kg7 28. Qe3 c5 29. g3 Rf7 30. Qc3+ Kh7 31. f4 Bf8 32. Qc4 Rf5 33. c3 Rd2 34. Re2 Rd7 35. Kg2 Rfd5 36. Kh3 Kg7 37. Re6 Rh5+ 38. Kg4 Kh7 39. Qe4 Rg7 40. Rxg6 |
| ECO C40 in 1977 play it! diepstraten l defeats black's purins o in 85 moves | 1. e4 e5 2. Nf3 f5 3. d4 fxe4 4. Bg5 Be7 5. Bxe7 Qxe7 6. Nxe5 Nf6 7. Nc3 d6 8. Nc4 O-O 9. Be2 c6 10. d5 Ne8 11. dxc6 bxc6 12. O-O Bb7 13. Na5 d5 14. Nxb7 Qxb7 15. a3 Nf6 16. b4 Nbd7 17. Rb1 Nb6 18. Qd4 Qe7 19. a4 Rf7 20. a5 Nbd7 21. Na4 Qe5 22. c3 h5 23. b5 cxb5 24. Rxb5 Qxd4 25. cxd4 Nf8 26. a6 Ne6 27. Rd1 Rc7 28. Nc5 Nf4 29. Bf1 Re8 30. g3 Ng6 31. Rb7 Ree7 32. Rdb1 Kf7 33. Rxc7 Rxc7 34. Rb7 Re7 35. Bb5 Nf8 36. Bc6 Ne6 37. Nd7 Nxd7 38. Bxd7 Nxd4 39. Rxa7 Nf3+ 40. Kf1 Ne5 41. Be6+ Kxe6 42. Rxe7+ Kxe7 43. a7 |
| ECO C40 in 1984 play it! diepstraten l defeats black's goedhart i in 111 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qe6 6. d3 Bb4 7. Ne3 Ne7 8. dxe4 Bxc3+ 9. bxc3 Qxe4 10. Bc4 d5 11. Bxd5 Nxd5 12. Qxd5 Qxd5 13. Nxd5 Na6 14. Bf4 c6 15. Nc7+ Nxc7 16. Bxc7 O-O 17. O-O Bf5 18. Rfc1 Rae8 19. Kf1 Re6 20. Rab1 b6 21. h3 Rfe8 22. g4 Bg6 23. Rb3 Re2 24. Ra3 Bxc2 25. Rxa7 Bd3 26. Kg2 b5 27. Bb6 Bc4 28. a4 bxa4 29. Rxa4 R2e4 30. Kg3 Bd5 31. c4 Rf8 32. Bc5 Rf3+ 33. Kh2 Bf7 34. Ra8+ Be8 35. Kg2 Rd3 36. Rb1 Kf7 37. Rb7+ Rd7 38. Rxd7+ Bxd7 39. Ra7 Ke6 40. Bf8 Rxc4 41. Bxg7 Rc2 42. Kg3 Rd2 43. f4 Kf7 44. Be5 Ke6 45. Kh4 Rd3 46. Bg7 Kf7 47. Bh6 Kg6 48. Bf8 Kf7 49. Ba3 h5 50. f5 hxg4 51. hxg4 Rd4 52. Kh5 Rd5 53. Kh6 Rd3 54. Bb2 c5 55. Rc7 Rd2 56. Bc3 |
| ECO C40 in 1991 play it! diepstraten l defeats black's jurgenson v in 47 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qe6 6. d3 Bb4 7. dxe4 Qxe4+ 8. Ne3 Bxc3+ 9. bxc3 Ne7 10. Bc4 Nf5 11. Qd5 Qxd5 12. Nxd5 Kd8 13. Bg5+ Ne7 14. Bxe7+ Ke8 15. Nxc7+ Kxe7 16. Nxa8 Kd8 17. Rd1 Re8+ 18. Kf1 Re5 19. Re1 Rc5 20. Bf7 d6 21. Re8+ Kd7 22. Rg8 Rxc3 23. Rxg7 Rxc2 24. Bb3+ |
| ECO C40 in 1980 play it! diepstraten l defeats black's holthuizen n in 43 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qe6 6. d3 exd3+ 7. Be3 dxc2 8. Qxc2 d5 9. Nb5 Qc6 10. Nca3 Qxc2 11. Nxc2 Na6 12. Bf4 c6 13. Nd6+ Bxd6 14. Bxd6 Nf6 15. Bxa6 bxa6 16. O-O Ne4 17. Rfe1 Kf7 18. Be5 Bb7 19. f3 Nc5 20. Bd6 Nd3 21. Re7+ Kf6 22. Rxb7 |
| ECO C40 in 1986 play it! diepstraten l defeats black's grivainis k in 35 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qf7 6. Ne3 c6 7. d3 exd3 8. Bxd3 d5 9. O-O Bc5 10. Na4 Bd6 11. c4 Ne7 12. Nc3 Be6 13. cxd5 cxd5 14. Nb5 Nc8 15. Qc2 Nc6 16. Nf5 Bxf5 17. Bxf5 Qxf5 18. Qxf5 |
| ECO C40 in 1978 play it! diepstraten l defeats black's pot c in 61 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qf7 6. Ne3 c6 7. Nxe4 d5 8. Ng5 Qf6 9. Nf3 Bd6 10. d4 Ne7 11. g3 Be6 12. Bg2 Nd7 13. O-O O-O 14. b3 Ng6 15. Bb2 h5 16. h4 Rae8 17. Ng5 Nf4 18. Nxe6 Rxe6 19. Qd2 Nxg2 20. Nxg2 Qf5 21. Rae1 Rxe1 22. Rxe1 Qh3 23. Re6 Nf6 24. Rxd6 Ng4 25. Nf4 Qh2+ 26. Kf1 Qh1+ 27. Ke2 Qe4+ 28. Kd1 Qh1+ 29. Qe1 Nxf2+ 30. Ke2 Re8+ 31. Re6 |
| ECO C40 in 1991 play it! diepstraten l defeats black's pape j in 47 moves | 1. e4 e5 2. Nf3 f5 3. exf5 e4 4. Ne5 Nf6 5. Be2 d6 6. Bh5+ Ke7 7. Nf7 Qe8 8. Nc3 g6 9. fxg6 hxg6 10. Nxh8 gxh5 11. Qe2 d5 12. O-O c6 13. f3 Kd8 14. d4 Be7 15. fxe4 Qxh8 16. exd5 cxd5 17. Bg5 Nc6 18. Qe3 Qg7 19. Rae1 Ng4 20. Bxe7+ Nxe7 21. Qf4 Nf5 22. Nxd5 Qxd4+ 23. Qxd4 Nxd4 24. h3 |
| ECO C40 in 1990 play it! diepstraten l defeats black's blom t in 57 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qf7 6. Ne3 c6 7. d3 exd3 8. Bxd3 d5 9. O-O d4 10. Bc4 Qf6 11. Ne4 Qe5 12. Qf3 Nh6 13. Nd1 Bg4 14. Qd3 b5 15. Bb3 Nf5 16. c3 dxc3 17. Ndxc3 Qd4 18. Qc2 Bb4 19. Re1 Be7 20. Be3 Nxe3 21. Rxe3 b4 22. Ne2 Bxe2 23. Qxe2 Nd7 24. Rd1 Qe5 25. Nd6+ Bxd6 26. Rxd6 Qxe3 27. Qxe3+ Kd8 28. Be6 Kc8 29. Rxd7 |
| ECO C40 in 1974 play it! diepstraten l defeats black's van der woude h in 79 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qe6 6. d3 Bb4 7. Bd2 Bxc3 8. Bxc3 exd3+ 9. Ne3 Nf6 10. Bxd3 c6 11. O-O d5 12. Re1 O-O 13. Bb4 Rf7 14. Bf5 Qe8 15. Bxc8 Qxc8 16. Qd4 Ne4 17. f3 c5 18. Qxd5 cxb4 19. fxe4 Nc6 20. Rf1 Qd7 21. Qc4 Rf8 22. Nf5 Kh8 23. Rad1 Qc7 24. c3 a5 25. cxb4 Nxb4 26. Qxc7 Rxc7 27. Ne7 Rxf1+ 28. Kxf1 g6 29. Rd8+ Kg7 30. a3 Nc2 31. Rc8 Rxe7 32. Rxc2 Kf7 33. Rc5 b6 34. Rc6 Re6 35. Rxe6 Kxe6 36. Ke2 Ke5 37. Kd3 b5 38. g3 h6 39. b3 g5 40. g4 |
| ECO C40 in 1977 play it! diepstraten l defeats black's eglitis i in 37 moves | 1. e4 e5 2. Nf3 f5 3. exf5 e4 4. Ne5 Nf6 5. Be2 d6 6. Bh5+ Ke7 7. Nf7 Qe8 8. Nc3 Nxh5 9. Nxh8 Nf6 10. g4 Nc6 11. g5 Nd4 12. gxf6+ Kd8 13. f7 Qe5 14. Qg4 Bxf5 15. Qh4+ Be7 16. f8=Q+ Kd7 17. Qfxe7+ Qxe7 18. Qxe7+ Kxe7 19. Nd5+ |
| ECO C40 in 1977 play it! diepstraten l defeats black's de marquez r in 33 moves | 1. e4 e5 2. Nf3 f5 3. d4 fxe4 4. Bg5 Be7 5. Bxe7 Nxe7 6. Nxe5 Nbc6 7. Bc4 Nxe5 8. dxe5 d5 9. exd6 cxd6 10. Nc3 Qc7 11. Nxe4 Nf5 12. Qe2 Qe7 13. O-O-O Be6 14. Bxe6 Qxe6 15. Nxd6+ Ke7 16. Nxf5+ Kf6 17. Rd6 |
| ECO C40 in 1990 play it! diepstraten l defeats black's elburg j in 59 moves | 1. e4 e5 2. Nf3 f5 3. d4 fxe4 4. Bg5 Be7 5. Bxe7 Nxe7 6. Nxe5 d6 7. Nc4 O-O 8. Ne3 Nf5 9. Bc4+ Kh8 10. O-O Nxe3 11. fxe3 d5 12. Rxf8+ Qxf8 13. Bxd5 c6 14. Bxe4 Nd7 15. Nd2 Nf6 16. Bf3 Be6 17. Qe2 Qb4 18. Nb3 Bxb3 19. axb3 a6 20. Ra4 Qe7 21. Rc4 Re8 22. e4 Nxe4 23. Bxe4 Qxe4 24. Qxe4 Rxe4 25. Kf2 Kg8 26. d5 cxd5 27. Rxe4 dxe4 28. Ke3 Kf7 29. Kxe4 Ke6 30. b4 |
| ECO C40 in 1992 play it! diepstraten l defeats black's oren i in 87 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qe6 6. Ne3 c6 7. d3 Bb4 8. dxe4 Nf6 9. f3 d5 10. exd5 cxd5 11. Qd4 Nc6 12. Bb5 O-O 13. Bxc6 Bxc3+ 14. bxc3 bxc6 15. O-O Qd6 16. Nc4 Qe6 17. Ne5 c5 18. Qe3 Re8 19. Re1 Qb6 20. Ba3 c4 21. Qd4 Qxd4+ 22. cxd4 Bf5 23. c3 Rac8 24. g4 Bc2 25. Re2 Ba4 26. Rb2 a6 27. Rb7 Bb5 28. Bb4 Rb8 29. Ra7 Ra8 30. Rxa8 Rxa8 31. a4 Be8 32. a5 Rb8 33. h4 h6 34. g5 hxg5 35. hxg5 Nh5 36. Kf2 g6 37. Ng4 Rb7 38. Re1 Bf7 39. Nh6+ Kg7 40. Bd6 Kh7 41. Nxf7 Rxf7 42. Re8 Ng7 43. Ra8 Ne6 44. Be5 |
| ECO C40 in 1977 play it! diepstraten l defeats black's falik j in 45 moves | 1. e4 e5 2. Nf3 f5 3. d4 fxe4 4. Bg5 Nf6 5. Bxf6 gxf6 6. Nxe5 fxe5 7. Qh5+ Ke7 8. Qxe5+ Kf7 9. Bc4+ d5 10. Bxd5+ Kg6 11. Bxe4+ Kf7 12. Nd2 Bg7 13. Qh5+ Kf8 14. O-O Bxd4 15. Bd5 Qe8 16. Qf3+ Kg7 17. Rae1 Qg6 18. Re7+ Kh6 19. Bf7 Qg5 20. Rfe1 Qxd2 21. Qh5+ Kg7 22. Bc4+ Kf8 23. Rf7+ |