| ECO B90 in 1984 play it! lau ralf defeats black's nenkov ljudmil in 97 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Qc7 8. Bg5 Nbd7 9. Nd2 h6 10. Be3 Nc5 11. Bxc5 Qxc5 12. Bc4 Bg4 13. Qb1 Be6 14. Qa2 Bxc4 15. Qxc4 Rc8 16. Qb3 b6 17. O-O Be7 18. Rfe1 O-O 19. Nf1 Ng4 20. Ne3 Nxe3 21. Rxe3 Rb8 22. Nd5 Bg5 23. Rc3 Qd4 24. Rc4 Qd2 25. Qc3 Qxc3 26. Rxc3 Rfc8 27. Rxc8+ Rxc8 28. c3 Bd8 29. Kf1 Kf8 30. Ke2 Ke8 31. Nb4 Ra8 32. g3 Kd7 33. f4 exf4 34. gxf4 g6 35. Kd3 Ke6 36. Nc6 Bf6 37. Rf1 Kd7 38. Nb4 Ke6 39. Nd5 Bd8 40. f5+ gxf5 41. Rxf5 b5 42. axb5 axb5 43. Nf4+ Ke7 44. Rxb5 Kf8 45. Nd5 h5 46. Ne3 Ra5 47. Rxa5 Bxa5 48. Nf5 Bc7 49. h3 |
| ECO B40 in 1988 play it! lau ralf defeats black's loffler stefan in 59 moves | 1. e4 c5 2. Nf3 e6 3. d3 d5 4. Nbd2 g6 5. g3 Bg7 6. Bg2 Ne7 7. O-O O-O 8. Re1 Nbc6 9. h4 e5 10. exd5 Nxd5 11. c3 b6 12. Nc4 Re8 13. Qb3 Bb7 14. Ng5 Qd7 15. Ne4 Re6 16. a4 Rd8 17. a5 Qc7 18. axb6 axb6 19. Bg5 Nce7 20. Ra7 f6 21. Rxb7 Qxb7 22. Nxc5 Qc6 23. Nxe6 Qxe6 24. Bd2 Nc8 25. d4 Nc7 26. dxe5 b5 27. exf6 bxc4 28. Qb7 Qf7 29. Bf4 Ne6 30. Rxe6 |
| ECO B40 in 1989 play it! lau ralf defeats black's andruet gilles in 95 moves | 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. c3 e5 8. a3 d6 9. b4 O-O 10. Nbd2 h6 11. Bb2 Be6 12. Qe2 a6 13. Ne1 b5 14. Nc2 a5 15. bxc5 dxc5 16. a4 b4 17. c4 Nc8 18. Ne3 Qd6 19. f4 Rd8 20. f5 Bd7 21. Nb3 Ra7 22. Nd5 Nd4 23. Bxd4 cxd4 24. Bh3 Be8 25. Rf2 Kh7 26. Qf1 Qb8 27. fxg6+ fxg6 28. Nc5 Rd6 29. Ne6 Ne7 30. Nxg7 Kxg7 31. Rf8 Nxd5 32. exd5 Qd8 33. Be6 Qe7 34. Rg8+ Kh7 35. Qf8 Qxf8 36. Rxf8 Re7 37. Raf1 Rdxe6 38. dxe6 Rxe6 39. R1f6 Rxf6 40. Rxf6 Bxa4 41. c5 Kg7 42. Ra6 b3 43. Rb6 Kf7 44. Kf2 Ke7 45. Kf3 b2 46. Ke4 Kd7 47. Rxb2 Kc6 48. Ra2 |
| ECO B33 in 1997 play it! lau ralf defeats black's kalinitschew ser in 103 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be6 9. Bg5 Rc8 10. Bc4 Nb4 11. Bxf6 Qxf6 12. b3 d5 13. exd5 Bf5 14. O-O Bc5 15. Qe2 Bd4 16. Ne4 Bxe4 17. Qxe4 Bxa1 18. Rxa1 a5 19. c3 Na6 20. Bb5+ Kf8 21. d6 Nc5 22. Qd5 Ne6 23. Nc4 g6 24. Qxb7 Kg7 25. Re1 e4 26. Qxe4 Qxc3 27. d7 Rcd8 28. Nd6 Rhf8 29. h4 Qd4 30. Nb7 Qxe4 31. Rxe4 Ra8 32. Bc4 Ra7 33. Rxe6 Rxb7 34. Re7 Rbb8 35. g3 Kf6 36. Re3 h6 37. Kg2 g5 38. h5 Kg7 39. Re5 Rb7 40. Re7 Rbb8 41. Bb5 Rb6 42. Re8 Rd6 43. Kf1 f6 44. Ke2 Kf7 45. Bc4+ Kg7 46. Be6 Rd4 47. Re7+ Kh8 48. Ke3 Rd6 49. Ke4 f5+ 50. Bxf5 g4 51. Ke5 Rd2 52. Re8 |
| ECO B90 in 1983 play it! lau ralf defeats black's tassi oliviero in 51 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Nbd7 9. O-O b6 10. Re1 Qc7 11. b3 Bb7 12. Ba3 Nc5 13. Nd5 Nxd5 14. Bxd5 Bxd5 15. Qxd5 Rc8 16. Rad1 Be7 17. Re2 O-O 18. Bxc5 Qxc5 19. Qb7 Rc7 20. Qxa6 f5 21. c4 Qc6 22. Rd5 g5 23. exf5 g4 24. Nd2 Rxf5 25. Qb5 Qb7 26. Ne4 |
| ECO B23 in 1987 play it! lau ralf defeats black's danner george in 59 moves | 1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. d4 Bg4 6. dxc5 Qa5 7. cxd6 Bxc3+ 8. bxc3 Qxc3+ 9. Bd2 Qc6 10. Bd3 exd6 11. Qb1 Nd7 12. Qb2 f6 13. Nd4 Qb6 14. Qxb6 Nxb6 15. f5 gxf5 16. exf5 Ne7 17. O-O O-O 18. Rae1 Nc6 19. Ne6 Rfc8 20. Rf4 Bh5 21. Rh4 Bf7 22. Bh6 Bxe6 23. Rg4+ Kh8 24. Bg7+ Kg8 25. fxe6 h5 26. Rg3 h4 27. Rg4 Ne5 28. Rxe5 dxe5 29. Bxf6+ Kf8 30. Bh7 |
| ECO B41 in 1996 play it! lau ralf defeats black's kohlweyer bernd in 115 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O Nc6 8. Be3 O-O 9. f4 a6 10. a4 Bd7 11. Nb3 Na5 12. e5 Ne8 13. Nxa5 Qxa5 14. Qd2 Rd8 15. Bf3 Qc7 16. Qf2 Rc8 17. Bb6 Qb8 18. Qe3 Bc6 19. Be2 g6 20. Bd3 Ng7 21. Rae1 f6 22. exf6 Bxf6 23. Bd4 Qc7 24. Bxf6 Rxf6 25. Qd4 Rf7 26. Nd1 b5 27. Ne3 bxa4 28. Bxa6 Rb8 29. Bd3 Rd7 30. Rf2 Qb6 31. Qxb6 Rxb6 32. Nc4 Rb8 33. Na5 Rc7 34. Nxc6 Rxc6 35. Re4 Rxb2 36. Rxa4 Rb1+ 37. Rf1 Rxf1+ 38. Kxf1 Rc7 39. Ra8+ Kf7 40. Rh8 Rc5 41. Rxh7 Rh5 42. Rxh5 Nxh5 43. g3 Kf6 44. Kf2 g5 45. Be2 Ng7 46. fxg5+ Kxg5 47. h4+ Kf6 48. g4 d5 49. Bf3 Ne8 50. Kg3 Nd6 51. g5+ Kg6 52. Kf4 Nf7 53. h5+ Kg7 54. Be2 e5+ 55. Kf5 e4 56. h6+ Kg8 57. Kf6 d4 58. h7+ |
| ECO B23 in 1994 play it! lau ralf defeats black's troyke christian in 51 moves | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Bc4 d6 7. O-O e6 8. d3 Ne7 9. Nxd4 cxd4 10. Ne2 O-O 11. Kh1 d5 12. Bb3 dxe4 13. dxe4 b6 14. Ng3 Bb7 15. f5 exf5 16. exf5 Nd5 17. Qg4 h5 18. Qh3 h4 19. Ne4 Ne3 20. fxg6 Bxe4 21. gxf7+ Kh8 22. Bxe3 dxe3 23. Rf4 Bxb2 24. Rxe4 Bxa1 25. Rxh4+ Kg7 26. Qg4+ |
| ECO B38 in 1999 play it! lau ralf defeats black's reich thomas in 95 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2 Nxd4 9. Bxd4 d6 10. O-O Bd7 11. Qd3 Bc6 12. b4 b6 13. a3 Qd7 14. Rfe1 Rfd8 15. Rad1 Rac8 16. h3 Qe8 17. Bf1 Qf8 18. Nd5 e5 19. Nxf6+ Bxf6 20. Bb2 a6 21. b5 axb5 22. cxb5 Ba8 23. Qe3 Rc2 24. Bc3 d5 25. Bb4 Be7 26. Bxe7 Qxe7 27. exd5 Qf6 28. Bd3 Rc5 29. Qxe5 Qxe5 30. Rxe5 Rcxd5 31. Rxd5 Rxd5 32. f3 Kg7 33. Kf2 Rd4 34. Ke3 Ra4 35. Ra1 f5 36. Bc2 f4+ 37. Kd3 Ra7 38. a4 Kf6 39. Kc3 Rc7+ 40. Kb2 Rc5 41. Re1 Bd5 42. Re8 Rc7 43. Rb8 Rb7 44. Rxb7 Bxb7 45. h4 h6 46. a5 bxa5 47. b6 h5 48. Be4 |
| ECO B41 in 1984 play it! lau ralf defeats black's lanzani mario in 114 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O O-O 8. f4 Nc6 9. Kh1 Bd7 10. Be3 Nxd4 11. Bxd4 Bc6 12. Bd3 Nd7 13. Qe2 e5 14. Be3 exf4 15. Bxf4 Qc7 16. Bc4 Bf6 17. Rad1 Be5 18. Bb3 Bxf4 19. Rxf4 Ne5 20. Qh5 Qe7 21. Rdf1 h6 22. Nd1 Bb5 23. Bxf7+ Rxf7 24. Rxf7 Nxf7 25. Qxb5 Qxe4 26. Qb3 Rf8 27. Nc3 Qe7 28. Nd5 Qe2 29. Kg1 b6 30. Nf4 Qg4 31. Ne6 Re8 32. Ng5 Qd4+ 33. Kh1 d5 34. Nxf7 Qf2 35. Nxh6+ Kh8 36. Qf3 Qxf3 37. gxf3 gxh6 38. Kg2 Kg7 39. Kf2 Rc8 40. c3 d4 41. cxd4 Rc2+ 42. Ke3 Rxb2 43. Rf2 Rb5 44. Ke4 Kf6 45. Rc2 Ke6 46. f4 Ra5 47. h4 Rh5 48. Rc6+ Kd7 49. Rg6 Ra5 50. Rg2 Ke6 51. Rd2 Rh5 52. d5+ Kd6 53. Rg2 Rxd5 54. Rg6+ Kc5 55. f5 Rd2 56. a3 Re2+ 57. Kf4 Rf2+ |
| ECO B23 in 2000 play it! lau ralf defeats black's freitag manfred in 63 moves | 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bg7 6. Bxc6+ bxc6 7. d3 Nf6 8. h3 Ba6 9. O-O O-O 10. Qe1 Ne8 11. f5 e6 12. Kh1 Nc7 13. fxg6 fxg6 14. e5 dxe5 15. Bg5 Qd7 16. Qh4 Rf5 17. Ne4 Raf8 18. Nxc5 Qd5 19. b4 R8f7 20. c4 Qd6 21. Qe4 Rf8 22. Bd2 Bc8 23. Qe2 h6 24. g4 R5f7 25. Ne4 Qd8 26. Bc3 Nd5 27. cxd5 exd5 28. Nc5 e4 29. Ne5 Rxf1+ 30. Rxf1 d4 31. Rxf8+ Bxf8 32. Qf2 |
| ECO B46 in 2007 play it! lau ralf defeats black's kruszynski wlodz in 49 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 Qc7 8. O-O Nf6 9. Qe2 d6 10. f4 e5 11. Kh1 Be7 12. fxe5 dxe5 13. Be3 O-O 14. Na4 Rb8 15. b3 Qa5 16. a3 Be6 17. Bd2 Qc7 18. Bxa6 Rfd8 19. Bc3 Bg4 20. Qe1 Qd6 21. Qg3 Qd7 22. Rae1 Nh5 23. Qxe5 Bxa3 24. Bc4 Rf8 25. Rxf7 |
| ECO B90 in 1981 play it! lau ralf defeats black's schmidt gerhard in 100 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 Nbd7 10. O-O-O Qc7 11. g4 Nb6 12. g5 Nfd7 13. h4 Rc8 14. Rh2 O-O 15. h5 Rfd8 16. Qg2 Nf8 17. f4 exf4 18. Bxf4 Nfd7 19. g6 Ne5 20. Nd4 Bf6 21. Be2 Qd7 22. gxh7+ Kh8 23. h6 g6 24. Qg3 Rc5 25. Be3 Rxc3 26. bxc3 Bxa2 27. Rf1 Be7 28. Nf5 Nbc4 29. Bg5 Bf8 30. Bxd8 Qxd8 31. Bxc4 Bxc4 32. Rd1 Qb6 33. Qe3 Qa5 34. Qg3 Kxh7 35. Nd4 Ba2 36. Kd2 Be7 37. Ke1 Bc4 38. Kf2 Qc5 39. Kg2 a5 40. Nf5 Bf8 41. Qg5 Be6 42. Nd4 Qxc3 43. Nxe6 Qf3+ 44. Kg1 Qxd1+ 45. Kg2 Qf3+ 46. Kg1 fxe6 47. Rf2 Qd1+ 48. Kg2 Bxh6 49. Qe7+ Bg7 50. Qxe6 Qg4+ |
| ECO B92 in 2001 play it! lau ralf defeats black's rogule laura in 53 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Nbd7 7. f4 e6 8. Bf3 Qc7 9. O-O Be7 10. Kh1 O-O 11. Qe1 Rd8 12. Be3 Nb6 13. Rd1 Nc4 14. Bc1 Bd7 15. b3 Na5 16. e5 Ne8 17. Nf5 Bf8 18. exd6 Nxd6 19. Nxd6 Bxd6 20. Ne4 Bf8 21. Bb2 Nc6 22. Nf6+ Kh8 23. Qh4 h6 24. Be4 Ne7 25. Nxd7 Nf5 26. Bxf5 exf5 27. Qxh6+ |
| ECO B23 in 1985 play it! lau ralf defeats black's gruenfeld yehuda in 27 moves | 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 e6 5. d4 cxd4 6. Nxd4 Nge7 7. Nb3 a6 8. Be3 b5 9. Qf3 Bb7 10. O-O-O Qc7 11. Bxb5 Ng6 12. Ba4 O-O-O 13. Qf2 Re8 14. Bb6 |
| ECO B32 in 2007 play it! lau ralf defeats black's fritz computer in 59 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8. O-O Ne5 9. h3 b5 10. Qe2 b4 11. Nd1 d5 12. exd5 Nxd3 13. cxd3 Nxd5 14. Rc1 Qa5 15. Nc6 Qxa2 16. Bd4 Bb7 17. Rc4 Qa4 18. Ne5 Bd6 19. Qg4 g6 20. Qh4 Qb3 21. Ne3 Be7 22. Qg3 f6 23. N5g4 Qxd3 24. Rd1 Qe2 25. Bxf6 Nxe3 26. Nxe3 Bxf6 27. Qd6 Qxd1+ 28. Nxd1 Bd5 29. Rc7 Rd8 30. Qxb4 |
| ECO B33 in 1983 play it! lau ralf defeats black's gscheidlen w in 129 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 h6 10. Bh4 e5 11. Nf5 Bxf5 12. exf5 exf4 13. Qxf4 d5 14. Bb5 Qa5 15. Qa4 Qxa4 16. Bxa4 Ng4 17. Bxe7 Nxe7 18. Nxd5 Nxf5 19. Rde1 Nd6 20. h3 Nf2 21. Rhf1 Nfe4 22. Ne7+ Kh8 23. Nf5 Rad8 24. Nxd6 Nxd6 25. Re7 f5 26. Rd1 Kh7 27. c3 a5 28. Bc2 Kg6 29. Re5 b6 30. Red5 Nb7 31. g4 Kg5 32. gxf5 Rxd5 33. Rxd5 Rd8 34. Re5 Nc5 35. Kb1 Kf4 36. Re1 Rd7 37. Rg1 Kf3 38. Rg6 Re7 39. b4 axb4 40. cxb4 Nd7 41. Re6 Rf7 42. a4 Kg3 43. Re3+ Kf4 44. Rd3 Ne5 45. Rd6 Ke3 46. Ka2 Nc4 47. Rc6 Kd4 48. Rxc4+ Kxc4 49. Bb3+ Kxb4 50. Bxf7 Kxa4 51. Kb2 Kb4 52. h4 Kc5 53. Kc3 Kd6 54. h5 Ke7 55. Bg6 Kf8 56. Kb4 Kg8 57. Kb5 Kh8 58. Kxb6 Kg8 59. Kc7 Kh8 60. Kd7 Kg8 61. Ke7 Kh8 62. Bf7 Kh7 63. Kf8 Kh8 64. Bg8 g6 65. hxg6 |
| ECO B82 in 1982 play it! lau ralf defeats black's schuh hubert in 47 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4 Be7 7. Bb5+ Nfd7 8. f5 e5 9. Ne6 fxe6 10. Qh5+ Kf8 11. fxe6 Qe8 12. O-O+ Bf6 13. exd7 Nxd7 14. Rxf6+ Nxf6 15. Bxe8 Nxh5 16. Bxh5 Be6 17. Bg5 g6 18. Be2 h6 19. Be3 a6 20. Rd1 Ke7 21. Nd5+ Bxd5 22. Rxd5 b5 23. c4 bxc4 24. a4 |
| ECO B33 in 1984 play it! lau ralf defeats black's neumann joachim in 63 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Rc8 8. f4 Nxd4 9. Qxd4 Qa5 10. e5 dxe5 11. fxe5 e6 12. O-O-O Bc6 13. Nb5 Bxb5 14. exf6 Ba4 15. Rd2 gxf6 16. Bd3 Rg8 17. Be3 f5 18. Kb1 b6 19. Rhd1 Bg7 20. Qh4 Bd7 21. Qxh7 Kf8 22. Bh6 Bc6 23. Bxg7+ Rxg7 24. Qh8+ Rg8 25. Qh6+ Ke8 26. Qf6 Bd5 27. a3 b5 28. Bxf5 Qd8 29. Qe5 Kf8 30. Rxd5 exd5 31. Rxd5 Qc7 32. Bxc8 |
| ECO B41 in 1987 play it! lau ralf defeats black's tukmakov vladimi in 55 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Qb6 7. Nb3 a6 8. a4 Nbd7 9. a5 Qc7 10. Bd3 Nc5 11. Nxc5 Qxc5 12. Qe2 Bd7 13. Be3 Qc7 14. Bb6 Qc8 15. O-O Be7 16. e5 dxe5 17. fxe5 Nd5 18. Qf3 Bc5+ 19. Bxc5 Qxc5+ 20. Kh1 O-O 21. Ne4 Qd4 22. Qg3 Bc6 23. c3 Qe3 24. Nf6+ Kh8 25. Rf3 Qxd3 26. Rxd3 gxf6 27. Qh4 Rg8 28. c4 |