| ECO A00 in 2000 play it! leisebein peter defeats white's troester holger in 64 moves | 1. e3 e5 2. Nc3 d5 3. d4 e4 4. Nge2 Nf6 5. Nf4 c6 6. Bd2 Bd6 7. f3 g5 8. Nh3 Bxh3 9. gxh3 Qe7 10. Qe2 Nbd7 11. O-O-O O-O-O 12. fxe4 dxe4 13. a3 h5 14. Be1 h4 15. Rg1 Rhg8 16. d5 Nxd5 17. Nxd5 cxd5 18. Rxd5 Ne5 19. Rg2 Bxa3 20. Rxe5 Qxe5 21. Bc3 Qxc3 22. Qc4+ Qxc4 23. Bxc4 Bc5 24. Bxf7 Bxe3+ 25. Kb1 Rg7 26. Bh5 Bf4 27. b3 b5 28. Re2 Re7 29. Re1 b4 30. Be2 Rd2 31. Ba6+ Kd8 32. Ka2 Rxc2+ |
| ECO B77 in 1987 play it! leisebein peter defeats white's boesenberg egber in 56 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb3 Rc8 11. O-O-O Ne5 12. h4 h5 13. Bg5 Rc5 14. g4 hxg4 15. f4 Nc4 16. Qd3 b5 17. f5 Qa5 18. fxg6 fxg6 19. Na4 bxa4 20. Bxc4+ Kh7 21. h5 Rxg5 22. hxg6+ Kxg6 23. e5+ Bf5 24. Nxf5 Rxf5 25. exf6 Rxf6 26. Rdg1 d5 27. Rxg4+ Kf7 28. Qg3 Bh6+ |
| ECO B97 in 1987 play it! leisebein peter defeats white's petzold joachim in 62 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Nxc6 bxc6 13. Be2 Be7 14. O-O O-O 15. Rb3 Qc5+ 16. Be3 Qe5 17. Bf4 Qc5+ 18. Rf2 d5 19. Bf3 Qa7 20. e5 Nd7 21. Be3 Bc5 22. Nxd5 cxd5 23. Bxd5 Bxe3 24. Bxe6+ Kh8 25. Rxe3 Qc5 26. c4 Rb8 27. h3 Rxf2 28. Kxf2 Nf8 29. Bd5 Be6 30. Kg3 Rd8 31. Rd3 Ng6 |
| ECO B32 in 1983 play it! leisebein peter defeats white's abraham gerd jue in 76 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd1 Qg6 9. Nc3 d5 10. exd5 Nb4 11. Bd3 Nxd3+ 12. cxd3 Qxg2 13. Qa4+ b5 14. Qe4 Qxe4+ 15. dxe4 b4 16. Nb1 f5 17. f3 Nf6 18. Bg5 O-O 19. Bxf6 Rxf6 20. Nd2 fxe4 21. fxe4 Bh3 22. Rc1 Raf8 23. Rg1 Rf2 24. Rc7 g6 25. d6 Rxh2 26. Rg3 Rd8 27. Nc4 Be6 28. Rd3 Bxc4 29. Rxc4 Rxb2 30. Rc7 Rxa2 31. Re7 Ra3 32. Rd2 Re3+ 33. Kf2 Rxe4 34. d7 Kf8 35. Rxh7 Rf4+ 36. Ke3 Rf7 37. Rh8+ Ke7 38. Rh6 Rg7 |
| ECO C57 in 1998 play it! leisebein peter defeats white's behrendorf kurt in 68 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nd4 7. c3 Nxd5 8. Ne4 Qh4 9. Ng3 Bg4 10. f3 e4 11. cxd4 Bd6 12. Bxb5+ Kd8 13. O-O exf3 14. Rxf3 Rb8 15. Bf1 Re8 16. Nc3 c6 17. d3 Nxc3 18. bxc3 Rb5 19. d5 Ra5 20. Bd2 h6 21. dxc6 Rh5 22. Kf2 Bxf3 23. Qxf3 Re6 24. c7+ Bxc7 25. Qa8+ Kd7 26. Be2 Rf5+ 27. Bf3 Rxf3+ 28. Kxf3 Qf6+ 29. Kg4 h5+ 30. Kxh5 Re5+ 31. Kg4 Qg6+ 32. Kf3 Qxd3+ 33. Kg4 Qxd2 34. Qh8 Rg5+ |
| ECO C57 in 1996 play it! leisebein peter defeats white's hergert volker in 52 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bd5 Rf8 7. O-O d6 8. c3 Bg4 9. Qe1 h6 10. h3 hxg5 11. Bxc6 bxc6 12. hxg4 Qd7 13. d4 Bb6 14. Qd1 Qxg4 15. Qxg4 Nxg4 16. Bxg5+ Kd7 17. Be3 Nxe3 18. fxe3 exd4 19. exd4 c5 20. Rxf8 Rxf8 21. a4 a5 22. d5 c4+ 23. Kh2 Rf1 24. g3 Ke7 25. Kg2 Rg1+ 26. Kf3 Kf6 |
| ECO C34 in 2001 play it! leisebein peter defeats white's seidel michael in 48 moves | 1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 h6 5. h4 Be7 6. d4 Bg4 7. Qd3 Nc6 8. Bxf4 Bxf3 9. Qxf3 Nxd4 10. Qh5 g6 11. Qd5 Ne6 12. O-O c6 13. Qd2 Nf6 14. Bxe6 fxe6 15. Nc3 g5 16. Bg3 Nh5 17. Bf2 gxh4 18. Qd1 Ng3 19. Bxg3 hxg3 20. Qg4 Qb6+ 21. Kh1 Kd7 22. Qxg3 Rhg8 23. Qh3 Rg5 24. Rf7 Rag8 |
| ECO C40 in 1986 play it! leisebein peter defeats white's graeber ivo in 36 moves | 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 d5 5. Qh5+ g6 6. Nxg6 hxg6 7. Qxg6+ Kd7 8. Bxd5 Nf6 9. Nc3 Qe7 10. b3 Rh6 11. Qf7 Qxf7 12. Bxf7 Nc6 13. d3 Bb4 14. Bb2 Ke7 15. Bc4 b5 16. Bxb5 Nd4 17. Kf1 Bxc3 18. Bxc3 Nxb5 |
| ECO C34 in 2005 play it! leisebein peter defeats white's wagener mario in 52 moves | 1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 h6 5. b4 Nf6 6. O-O g5 7. Qe2 Nc6 8. Bb2 Bg7 9. b5 Ne7 10. Nc3 O-O 11. Rae1 Ng6 12. d4 Nh5 13. e5 g4 14. Qd3 Kh7 15. Bd5 gxf3 16. Bxf3 Ng3 17. hxg3 fxg3 18. Qe4 Be6 19. d5 Bd7 20. e6 fxe6 21. Bh5 Qg5 22. Bxg6+ Qxg6 23. dxe6 Rxf1+ 24. Kxf1 Rf8+ 25. Kg1 Rf5 26. Re3 Bxe6 |
| ECO C22 in 2000 play it! leisebein peter defeats white's markus nico in 106 moves | 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. Bc4 Bxc3 9. Bxc3 Nxe4 10. Qf4 Re7 11. Bxf7+ Kh8 12. Bb3 Nxc3 13. bxc3 d6 14. Nf3 Be6 15. Rhe1 Bg8 16. Qf5 d5 17. Kb1 Rxe1 18. Rxe1 Qd6 19. Qd3 a6 20. h4 b5 21. Ng5 Na5 22. Re6 Qf8 23. Re2 c6 24. h5 Qf6 25. Nf3 c5 26. Bxd5 Rd8 27. Re5 Nc4 28. Bxc4 Rxd3 29. Bxd3 Qf7 30. Kc1 Qxa2 31. Kd2 Qf7 32. Ke2 Qc7 33. g4 Bf7 34. Rf5 c4 35. Be4 g6 36. Re5 Kg7 37. hxg6 Bxg6 38. Bxg6 hxg6 39. g5 Qd7 40. Nd4 Kf7 41. f3 Qh3 42. Rc5 Qh2+ 43. Ke1 Qd6 44. Rc6 Qg3+ 45. Ke2 Qg2+ 46. Kd1 Qxg5 47. Rxa6 Qe3 48. Ra7+ Kf6 49. Ra6+ Kg7 50. Rb6 Qxc3 51. Rd6 b4 52. Ke2 b3 53. cxb3 cxb3 |
| ECO C40 in 2002 play it! leisebein peter defeats white's herrchen ralf by checkmate in 52 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. Nb5 Bg4 10. Qc3 d5 11. Nxc7+ Kd7 12. Nxa8 dxc4 13. d5 Qe8+ 14. Qe3 Ne5 15. Be2 Nf6 16. O-O Bd6 17. Qxa7 Qxa8 18. Qf2 Re8 19. Kh1 Bxe2 20. Qxe2 b5 21. Qd1 Qxd5 22. Bh6 Neg4 23. Qxd5 Nxd5 24. Bxg7 Bc5 25. g3 Re2 26. Bf8 Rxh2# |
| ECO C63 in 2001 play it! leisebein peter defeats white's vetter udo in 44 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 dxc6 7. Nd4 Nh6 8. Nc3 Nxf5 9. Nb3 a5 10. a4 Be6 11. O-O Bxb3 12. cxb3 O-O-O 13. Re1 Qd7 14. Qc4 Bb4 15. Nxe4 Rhe8 16. h3 Qd5 17. f3 Nd4 18. Rb1 Nxb3 19. Qf1 Nc5 20. Nxc5 Qa2 21. Rxe8 Rxe8 22. Nd3 Bd6 |
| ECO C56 in 2001 play it! leisebein peter defeats white's krafft holgertho in 36 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. Nxd4 Nxe4 6. Qf3 d5 7. Nc3 Nxd4 8. Qd3 dxc4 9. Qxe4+ Qe7 10. Kd1 Qxe4 11. Nxe4 Bg4+ 12. f3 Nxf3 13. Nf2 O-O-O+ 14. Ke2 Nd4+ 15. Kd2 Bf5 16. c3 Nc2+ 17. Ke2 Nxa1 18. Bf4 Nc2 |
| ECO C34 in 1997 play it! leisebein peter defeats white's bangiev alexande in 38 moves | 1. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 g5 5. h4 g4 6. Ng1 f5 7. Nc3 fxe4 8. Nxe4 Qe7 9. Qe2 Nc6 10. c3 Bf5 11. Nf2 Bh6 12. Nd3 Bxd3 13. Qxe7+ Ngxe7 14. Bxd3 O-O 15. Be2 g3 16. Bh5 Nf5 17. Ne2 Nce7 18. b4 Nd5 19. Rb1 Nde3 |
| ECO C27 in 2001 play it! leisebein peter defeats white's hehemann achim in 18 moves | 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. d3 Nxb5 |
| ECO C63 in 2002 play it! leisebein peter defeats white's von rosenberg cl in 24 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 dxc6 7. Nd4 Nh6 8. O-O Nxf5 9. Nxf5 Bxf5 10. d3 exd3 11. Qd2 O-O-O 12. Rd1 dxc2 |
| ECO C55 in 2001 play it! leisebein peter defeats white's grott peter in 46 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Bb3 d5 7. exd5 Nxd5 8. h3 a5 9. a3 a4 10. Ba2 Re8 11. Re1 Bf6 12. Nbd2 Bf5 13. Ne4 Bg6 14. Bxd5 Qxd5 15. Nxf6+ gxf6 16. Bh6 f5 17. Qd2 f4 18. Qc3 Re6 19. Bg5 Nd4 20. Nh2 Bf5 21. Qxc7 h6 22. Bh4 Rg6 23. g4 Nf3+ |
| ECO C48 in 2000 play it! leisebein peter defeats white's lehmann david in 16 moves | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. d3 Bb4 6. O-O Bxc3 7. bxc3 Nxb5 8. c4 Nd6 |
| ECO C33 in 2001 play it! leisebein peter defeats white's lukanov tsvetomi in 61 moves | 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6 5. Bb3 d5 6. exd5 cxd5 7. d4 Bd6 8. Nf3 O-O 9. O-O Be6 10. Ne5 Bxe5 11. dxe5 Ng4 12. Nxd5 Nc6 13. Bxf4 Bxd5 14. Qxg4 Bxb3 15. axb3 Qd4+ 16. Kh1 Qxb2 17. Qf5 Rae8 18. Rab1 Qc3 19. Rf3 Qa5 20. Rh3 h6 21. Rd1 Re6 22. Rhd3 Rfe8 23. Rd7 Nxe5 24. Bxe5 Rf6 25. Qe4 Qxe5 26. Qxe5 Rxe5 27. Rxb7 Re2 28. c4 Rd2 29. Rg1 Rb6 30. Rxb6 axb6 31. Rb1 |
| ECO C57 in 1997 play it! leisebein peter defeats white's gysi adolf in 62 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bd5 Rf8 7. Nf3 Nd4 8. d3 Nxf3+ 9. gxf3 Qe8 10. Nc3 Qh5 11. h4 d6 12. Bb3 c6 13. Qe2 h6 14. Be3 Bd4 15. Bxd4 exd4 16. Nb1 Nd7 17. Rg1 g6 18. Nd2 Ne5 19. O-O-O a5 20. c3 a4 21. Bc2 c5 22. cxd4 cxd4 23. Kb1 b5 24. Rh1 Be6 25. Rdg1 Rac8 26. Bd1 Rc6 27. Qf1 Rfc8 28. Be2 a3 29. Qd1 axb2 30. Kxb2 Nd7 31. Nb3 Bxb3 |