| ECO B40 in 1995 play it! lau ralf defeats white's jolowicz matias in 54 moves | 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. O-O O-O 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 b4 12. N1h2 a4 13. a3 bxa3 14. bxa3 Ba6 15. Bf4 Rc8 16. Ng5 Nd4 17. Qh5 h6 18. Ng4 hxg5 19. hxg5 g6 20. Qh4 Nf5 21. Nh6+ Nxh6 22. Qxh6 Re8 23. Bf3 Bf8 24. Qh4 Bg7 25. Kg2 Qa5 26. Rh1 Qc3 27. Qh7+ Kf8 |
| ECO B42 in 1996 play it! lau ralf defeats white's borngaesser rene in 42 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. c4 g6 9. f4 Bg7 10. Nf3 O-O 11. Nc3 b6 12. Bd2 Bb7 13. Rac1 Nbd7 14. b4 Rac8 15. Qf2 Qb8 16. Qh4 b5 17. cxb5 axb5 18. Bxb5 Bxe4 19. Bxd7 Qa7+ 20. Kh1 Qxd7 21. b5 Bd3 |
| ECO B23 in 2001 play it! lau ralf defeats white's neumeier klaus in 94 moves | 1. e4 c5 2. Nc3 a6 3. g3 b5 4. a3 Bb7 5. Bg2 Nf6 6. d3 e6 7. Nge2 d5 8. exd5 Nxd5 9. O-O Nxc3 10. Nxc3 Bxg2 11. Kxg2 Nc6 12. Be3 Nd4 13. Bxd4 cxd4 14. Qf3 dxc3 15. Qc6+ Ke7 16. Qb7+ Ke8 17. bxc3 Be7 18. Qf3 Bf6 19. d4 Ke7 20. Qd3 Qd5+ 21. Kg1 Kd7 22. a4 g6 23. axb5 axb5 24. Rab1 Rhb8 25. Rb3 Ra4 26. Rfb1 Rc4 27. Qe3 Bg5 28. Qe2 Ke7 29. h4 Bh6 30. Ra1 Kf8 31. Ra7 Kg8 32. h5 b4 33. hxg6 hxg6 34. Ra4 Bf8 35. Ra5 Qc6 36. Qe5 Qc7 37. Qxc7 Rxc7 38. cxb4 Rxb4 39. Rxb4 Bxb4 40. Ra4 Bf8 41. c4 Bg7 42. c5 e5 43. dxe5 Bxe5 44. f4 Bf6 45. f5 gxf5 46. Rf4 Rxc5 47. g4 Bg5 |
| ECO B23 in 1993 play it! lau ralf defeats white's brenke andreas in 79 moves | 1. e4 c5 2. Nc3 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nde2 b6 7. g3 Ba6 8. Bg2 Rc8 9. O-O Nf6 10. Re1 d6 11. Nf4 O-O 12. Ncd5 Nd7 13. a4 Nc5 14. Ra3 Ne5 15. b3 Bb7 16. c4 a6 17. Ra2 e6 18. Nb4 Qc7 19. Rd2 Rfd8 20. Bb2 Qb8 21. Na2 Qa8 22. Nc3 Nc6 23. Nd3 Na5 24. Nxc5 dxc5 25. Ree2 Bd4 26. Qc2 Nc6 27. Re1 Bg7 28. Re3 Nb4 29. Qd1 Rxd2 30. Qxd2 Rd8 31. Qe2 Bd4 32. Rf3 Qb8 33. h4 Qe5 34. Qd2 Rd7 35. Ne2 Qxe4 36. Nxd4 Qb1+ 37. Kh2 Bxf3 38. Bxf3 cxd4 39. Bxd4 Nc2 40. Bxb6 |
| ECO B42 in 1997 play it! lau ralf defeats white's trkulja zoran in 48 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Nc3 d6 8. Be3 Nf6 9. Qe2 Nc6 10. f4 b5 11. O-O-O Qc7 12. Kb1 Bb7 13. Rhe1 O-O 14. g4 Rfe8 15. g5 Nd7 16. Qg4 Bf8 17. Nd4 Nxd4 18. Bxd4 b4 19. Ne2 e5 20. fxe5 Nxe5 21. Bxe5 Rxe5 22. Ng3 g6 23. h4 a5 24. Rf1 a4 |
| ECO B93 in 1987 play it! lau ralf defeats white's ruhrig volkhard in 56 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. a4 Nc6 8. Nxc6 bxc6 9. Bd3 e6 10. O-O d5 11. Re1 Be7 12. Qf3 Bb7 13. e5 Nd7 14. f5 Nxe5 15. Qg3 Bd6 16. fxe6 f6 17. Qh3 Nxd3 18. cxd3 O-O 19. a5 Rae8 20. Ra4 Re7 21. Ne2 Rfe8 22. Rh4 g5 23. Rh6 Rxe6 24. Bxg5 Bc8 25. Qh5 fxg5 26. Rxe6 Rxe6 27. Qxg5+ Qg7 28. Qd8+ Qf8 |
| ECO B96 in 1980 play it! lau ralf defeats white's delaney john in 71 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 b5 9. Bxf6 gxf6 10. e5 Bb7 11. Qh5 dxe5 12. Nxe6 Qb6 13. Nxf8 Qe3+ 14. Qe2 Qxf4 15. Nxh7 Rxh7 16. Qf2 Qxf2+ 17. Kxf2 f5 18. Rd1 Nd7 19. Nd5 Rc8 20. c3 Rc5 21. Ne3 Rh4 22. a3 Nf6 23. g3 Ne4+ 24. Ke1 Nxc3 25. bxc3 Re4 26. Rd3 Rxe3+ 27. Rxe3 Bxh1 28. Kd2 Ke7 29. h4 Kf6 30. Rd3 Bd5 31. Bh3 e4 32. Re3 Ke5 33. Re1 Rc8 34. Rf1 Be6 35. Ra1 Rd8+ 36. Kc2 |
| ECO B90 in 1987 play it! lau ralf defeats white's hartmann gerald in 60 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 Be7 9. f4 Bb7 10. Be3 Nc6 11. f5 b4 12. Ba4 Qc8 13. fxe6 bxc3 14. Nf5 Kf8 15. Nxd6 Qxe6 16. Nxb7 Qxe4 17. Rxf6 Bxf6 18. Bc5+ Kg8 19. Bb3 cxb2 20. Rb1 Bd4+ 21. Kh1 Bxc5 22. Nxc5 Qe7 23. Qd5 Re8 24. Nd3 Nb4 25. Qa5 Nxd3 26. cxd3 h5 27. h3 Rh6 28. Rxb2 Rf6 29. Qxh5 Qe1+ 30. Kh2 Rf1 |
| ECO B43 in 1989 play it! lau ralf defeats white's galdunts sergey in 58 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 b5 7. Be2 Bb7 8. Bf3 d6 9. O-O Nf6 10. Re1 Nbd7 11. Bg5 Be7 12. Bh4 O-O 13. Bg3 Ne5 14. Be2 b4 15. Nd5 exd5 16. f4 Nxe4 17. fxe5 Nxg3 18. hxg3 dxe5 19. Nf5 Bc5+ 20. Kh2 Rfe8 21. Qd2 Qb6 22. Bh5 Bf8 23. Rf1 g6 24. Nh6+ Bxh6 25. Qxh6 Rf8 26. Rf5 Qe6 27. Rg5 Qf6 28. Rf1 Qg7 29. Rxg6 fxg6 |
| ECO B40 in 1994 play it! lau ralf defeats white's mola pietro in 110 moves | 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bd3 Be7 7. O-O O-O 8. c4 Qd7 9. dxc5 Rd8 10. Be2 Qc7 11. Qc2 Qxc5 12. Nc3 Nc6 13. Be3 Qa5 14. a3 Qc7 15. h3 Bd7 16. Nb5 Qb8 17. Rfd1 b6 18. Rd2 a6 19. Nc3 Be8 20. Rad1 Rxd2 21. Rxd2 h6 22. Ne4 Ra7 23. Nxf6+ Bxf6 24. Qe4 Ne7 25. Bf4 Qa8 26. Qxa8 Rxa8 27. Ne5 Nf5 28. g4 Nh4 29. b4 a5 30. b5 g5 31. Bg3 Be7 32. a4 Rc8 33. Bxh4 gxh4 34. Bf3 Rc5 35. Bc6 Rxe5 36. Bxe8 Re1+ 37. Kg2 Kf8 38. Bc6 Ra1 39. Rc2 Rxa4 40. Kf1 Ra1+ 41. Ke2 a4 42. Kd3 Rb1 43. Ra2 a3 44. Kc2 Rf1 45. Kb3 Bc5 46. Rc2 Kg7 47. Re2 Kf6 48. Rc2 Kg5 49. Re2 Rxf2 50. Rxf2 Bxf2 51. Kxa3 Kf4 52. Bg2 Kg3 53. Bf1 Be3 54. Kb3 Kf2 55. Be2 Kxe2 |
| ECO B22 in 1996 play it! lau ralf defeats white's kotzold wolfgang in 34 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. Be2 cxd4 7. cxd4 e6 8. O-O Be7 9. Nc3 Qd6 10. Bg5 O-O 11. Qd2 Nd5 12. Rfd1 Rd8 13. a3 b6 14. Ne4 Bxg5 15. Qxg5 Qf4 16. Qxf4 Nxf4 17. Bf1 Bb7 |
| ECO B50 in 1987 play it! lau ralf defeats white's zysk robert in 46 moves | 1. e4 c5 2. Nf3 d6 3. Nc3 e6 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. d4 cxd4 7. Qxd4 Ngf6 8. O-O a6 9. Bg5 Be7 10. Rad1 Qc7 11. Bxf6 Nxf6 12. e5 dxe5 13. Qa4+ Kf8 14. Rfe1 g6 15. Nxe5 Kg7 16. Rd3 Rad8 17. Rf3 Rhf8 18. Qf4 Qb6 19. Rh3 h5 20. Rc1 Rd4 21. Qg3 Rfd8 22. Qg5 Ng4 23. Qxe7 R4d7 |
| ECO C80 in 1981 play it! lau ralf defeats white's busemann stefan in 62 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. cxd4 Nxd4 12. Nxd4 Qxd4 13. Bxe6 Nxe6 14. Qc2 c5 15. Nf3 Qg4 16. a4 b4 17. Be3 Be7 18. Rfd1 O-O 19. Rd7 Nf4 20. Bxf4 Qxd7 21. Rd1 Qe6 22. Be3 Rfd8 23. Rc1 h6 24. Kf1 Rd5 25. h3 Rad8 26. Ke2 a5 27. Qc4 f6 28. b3 fxe5 29. Nd2 Qg6 30. Ne4 Kh8 31. Kf1 Rd4 |
| ECO C41 in 1995 play it! lau ralf defeats white's calci fiorino in 88 moves | 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. Nc3 Nf6 5. d4 Nbd7 6. Bg5 O-O 7. Qd2 exd4 8. Qxd4 Nb6 9. O-O Nxc4 10. Qxc4 Be6 11. Qd4 h6 12. Bf4 Nh5 13. Be3 c6 14. Rfe1 f5 15. e5 d5 16. Ne2 g5 17. Qd3 c5 18. c3 Qe8 19. Kh1 f4 20. Bc1 Rd8 21. b3 Bf5 22. Qd2 Qg6 23. Bb2 Kh7 24. b4 b6 25. bxc5 bxc5 26. Ba3 Be4 27. Ned4 g4 28. Ng1 Rg8 29. Qb2 Rb8 30. Qd2 f3 31. g3 Bg5 32. Qd1 cxd4 33. Qxd4 Rg7 34. Bd6 Rb2 35. Bf8 Rgb7 36. h3 Nxg3+ 37. fxg3 f2+ 38. Rxe4 fxg1=Q+ 39. Kxg1 Qxe4 40. Qxe4+ dxe4 41. e6 gxh3 42. Rf1 Kg6 43. c4 Rxa2 44. c5 Rbb2 |
| ECO C83 in 1981 play it! lau ralf defeats white's schnitzspan loth in 68 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5 11. Bc2 d4 12. cxd4 Nxd4 13. Nxd4 Qxd4 14. Qe2 Rd8 15. Nf3 Qg4 16. h3 Qc4 17. Qxc4 Bxc4 18. Rd1 O-O 19. Be3 Ne6 20. Be4 Bc5 21. Bxc5 Nxc5 22. Bc6 Be2 23. Rdc1 Nd3 24. Rc2 Bxf3 25. Bxf3 Nxe5 26. Bb7 Rd7 27. Bxa6 c6 28. f4 Nc4 29. b3 Na5 30. b4 Ra8 31. Bxb5 cxb5 32. bxa5 Rda7 33. Rf1 Rxa5 34. Rcf2 Rxa2 |
| ECO C10 in 1986 play it! lau ralf defeats white's mokry karel in 106 moves | 1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Bd3 Bb4 7. Bd2 Nxd2 8. Qxd2 f6 9. Bb5 Bd7 10. Bxc6 Bxc6 11. a3 Bxc3 12. Qxc3 f5 13. Qe3 h6 14. h4 g6 15. O-O-O Qe7 16. Rdg1 Qf7 17. Qf4 Ke7 18. Rh3 Raf8 19. Ne1 Qg7 20. Qd2 Kd7 21. Nd3 Qf7 22. Nf4 g5 23. hxg5 hxg5 24. Rxh8 Rxh8 25. Nh3 g4 26. Nf4 Rh2 27. b3 Qh7 28. Kb2 Qh6 29. g3 b6 30. Rc1 Rh1 31. Rxh1 Qxh1 32. a4 a5 33. Qc3 Qh6 34. b4 axb4 35. Qxb4 Qh8 36. a5 bxa5 37. Qxa5 Qb8+ 38. Kc1 Qb6 39. Qc3 Bb5 40. Kd2 Bc4 41. Ng6 Ke8 42. Qa1 Kf7 43. Nf4 c5 44. Ke3 cxd4+ 45. Qxd4 Qa5 46. Ng2 Qa3+ 47. Kf4 Kg6 48. Nh4+ Kh5 49. c3 Qc1+ 50. Qe3 Qc2 51. f3 Be2 52. fxg4+ fxg4 53. Qd4 Qc1+ |
| ECO C01 in 1996 play it! lau ralf defeats white's winkels marcel in 31 moves | 1. e4 e6 2. d4 b6 3. Bd3 Bb7 4. Nf3 c5 5. O-O cxd4 6. Nxd4 Nc6 7. Nb3 Nge7 8. Nc3 Ng6 9. f4 Be7 10. Qh5 a6 11. a4 Qc7 12. Be3 Rc8 13. Qe2 Ra8 14. Qf2 Bd8 15. e5 Nb4 16. Ne4 |
| ECO B07 in 1989 play it! lau ralf defeats white's kosten anthony in 90 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 c6 5. Be3 Qb6 6. Rb1 Nf6 7. Nf3 O-O 8. Bd3 e5 9. fxe5 dxe5 10. Nxe5 Nxe4 11. Nxf7 Bxd4 12. Na4 Qa5+ 13. b4 Qd5 14. Bxe4 Qxe4 15. Nh6+ Kg7 16. Qxd4+ Qxd4 17. Bxd4+ Kxh6 18. Kd2 Na6 19. c3 Rd8 20. Rbe1 Nxb4 21. Re4 Bf5 22. Rh4+ Kg5 23. g3 Nc2 24. Nc5 Nxd4 25. cxd4 b6 26. Nb3 h5 27. Rf4 Re8 28. Rhf1 Rad8 29. R1f3 a5 30. Kc3 Re2 31. Rf2 Re3+ 32. Kb2 a4 33. Rxf5+ gxf5 34. Nd2 Rxd4 35. Nf3+ Rxf3 36. Rxf3 Rd2+ 37. Ka3 Rxh2 38. Rc3 c5 39. Rc4 h4 40. gxh4+ Rxh4 41. Rc3 Re4 42. Rc2 f4 43. Rb2 f3 44. Rxb6 f2 45. Rb2 Re3+ |
| ECO B07 in 1991 play it! lau ralf defeats white's schmittdiel eckh in 98 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 h6 6. Bh4 c6 7. f4 O-O 8. Bd3 b5 9. Nf3 b4 10. Ne2 Qb6 11. h3 Re8 12. e5 Nd5 13. Bf2 Ba6 14. e6 fxe6 15. Nh4 Nd7 16. Nxg6 Bxd3 17. Qxd3 Qb5 18. Qe4 Nc7 19. Bh4 Nf6 20. Bxf6 Bxf6 21. O-O-O Qd5 22. Qd3 Qxa2 23. g4 b3 24. g5 bxc2 25. Qxc2 hxg5 26. Rhg1 Rab8 27. fxg5 Bg7 28. Qb1 Qc4+ 29. Qc2 Qxc2+ 30. Kxc2 Nd5 31. Rb1 Rb4 32. Rge1 Reb8 33. Nc3 Kf7 34. Nh4 Rxd4 35. g6+ Ke8 36. Nxd5 cxd5 37. Nf3 Rc4+ 38. Kd1 Kd7 39. Ng5 e5 40. Rf1 Bf6 41. Nh7 Ke6 42. Ra1 Rbc8 43. g7 Bxg7 44. Ng5+ Kd7 45. Rxa7+ R8c7 46. Rxc7+ Rxc7 47. h4 Rc4 48. Rf7 Bf6 49. Rh7 e4 |
| ECO B07 in 2003 play it! lau ralf defeats white's staudner oliver in 40 moves | 1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Re1 Nd7 8. Na3 a6 9. Nc2 h6 10. h3 e5 11. b4 f5 12. Bb2 Nb6 13. Ne3 exd4 14. cxd4 Nxb4 15. Qb3+ d5 16. exd5 Nxd3 17. d6+ Be6 18. Qxe6+ Kh7 19. dxc7 Qxc7 20. Re2 Nf4 |