| ECO B06 in 1978 play it! lau ralf defeats black's treppner gerd in 115 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6 5. a4 Nf6 6. Be2 O-O 7. O-O Qc7 8. h3 e5 9. Re1 Nbd7 10. Bf1 Re8 11. d5 Rf8 12. a5 a6 13. Nd2 cxd5 14. exd5 b5 15. axb6 Nxb6 16. Nb3 Bb7 17. Ra5 Nc4 18. Bxc4 Qxc4 19. Ra4 Qc7 20. Na5 Nd7 21. Be3 f5 22. f3 Rf7 23. Qd2 Raf8 24. Rea1 e4 25. Rc4 Qb8 26. f4 Bc8 27. Na4 g5 28. Rb4 Qc7 29. Rc4 Qd8 30. Nc6 Qe8 31. Nd4 gxf4 32. Bxf4 Bxd4+ 33. Qxd4 Ne5 34. Rc3 Rf6 35. Nb6 Bb7 36. Nc4 Nxc4 37. Rxc4 Rg6 38. Rd1 Qb5 39. Rd2 Rc8 40. Rb4 Qd7 41. Rb6 Rc5 42. b4 Rb5 43. c4 Rxb6 44. Qxb6 Qe7 45. Rf2 h5 46. Qd4 Qd8 47. Bc1 Qf6 48. Qxf6 Rxf6 49. Bf4 Rf8 50. Bxd6 Rc8 51. c5 Bxd5 52. Rxf5 Bf7 53. Kf2 Bg6 54. Rf4 Re8 55. Ke3 Rc8 56. Rf1 Kg7 57. Ra1 Rc6 58. Kd4 |
| ECO B06 in 1986 play it! lau ralf defeats black's dresen ulrich in 81 moves | 1. e4 g6 2. d4 c6 3. Nc3 d5 4. h3 Bg7 5. Nf3 Nf6 6. e5 Nfd7 7. Bd3 Nf8 8. Ne2 Na6 9. c3 Nc7 10. Be3 Nfe6 11. Qd2 h5 12. Nh4 Bf8 13. O-O Ng7 14. Ng3 e6 15. Bg5 Be7 16. Nf3 Nf5 17. Ne2 h4 18. Kh2 Bxg5 19. Nxg5 Bd7 20. g4 hxg3+ 21. fxg3 Qe7 22. g4 Nh6 23. Nxf7 Nxf7 24. Bxg6 O-O-O 25. Bxf7 Rdf8 26. Bh5 Qh4 27. Ng3 c5 28. Rxf8+ Rxf8 29. Rf1 Rxf1 30. Nxf1 cxd4 31. cxd4 a5 32. Ng3 b6 33. a3 a4 34. Qf4 Nb5 35. Qf6 Qxf6 36. exf6 Kd8 37. g5 Be8 38. g6 Bxg6 39. Bxg6 Nxd4 40. Kg2 e5 41. Bf7 |
| ECO B06 in 1985 play it! lau ralf defeats black's arauz carlos in 69 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 e6 4. c3 Ne7 5. Bd3 b6 6. h4 h5 7. Qe2 Bb7 8. Bf4 d6 9. Nbd2 Nbc6 10. Nc4 a5 11. a4 Qd7 12. O-O d5 13. Nce5 Nxe5 14. Nxe5 Bxe5 15. Bxe5 Rh7 16. exd5 Nxd5 17. Rfe1 Qd8 18. Be4 c6 19. Bg3 Qd7 20. Qf3 Rd8 21. c4 Ne7 22. Rad1 Kf8 23. Be5 f5 24. Qf4 Kg8 25. Bf3 Qe8 26. Bf6 Qd7 27. Qe5 Kf7 28. Bg5 Ng8 29. d5 cxd5 30. cxd5 Re8 31. dxe6+ Qxe6 32. Qxe6+ Rxe6 33. Bxb7 Rxe1+ 34. Rxe1 Kf8 35. Bd5 |
| ECO B06 in 1996 play it! lau ralf defeats black's berger stefan in 41 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. a4 b4 8. Nd5 c5 9. dxc5 dxc5 10. a5 Bb7 11. Ne3 e5 12. Nc4 Qc7 13. O-O f6 14. fxe5 Nxe5 15. Nfxe5 fxe5 16. Nd6+ Qxd6 17. Bb5+ Ke7 18. Rf7+ Kxf7 19. Qxd6 axb5 20. Qc7+ Ne7 21. Bg5 |
| ECO B06 in 1985 play it! lau ralf defeats black's ingenerf stefan in 102 moves | 1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 Nf6 5. Qd2 Ng4 6. Bg5 f6 7. Bh4 e5 8. dxe5 dxe5 9. Qxd8+ Kxd8 10. O-O-O+ Nd7 11. Nf3 Re8 12. Nd5 c6 13. h3 cxd5 14. hxg4 dxe4 15. Nd2 Ke7 16. Nxe4 h6 17. Bb5 Rd8 18. Rd6 g5 19. Bg3 Nf8 20. Rxd8 Kxd8 21. f3 Kc7 22. Rd1 Bd7 23. Bxd7 Nxd7 24. Nd6 Nc5 25. Bf2 b6 26. Bxc5 bxc5 27. Ne4 Bf8 28. Nxf6 Bd6 29. Ne4 Bf8 30. Rd5 Re8 31. c4 Kc6 32. Kc2 a5 33. Kb3 Rb8+ 34. Kc2 Re8 35. b3 a4 36. bxa4 Ra8 37. a3 Rxa4 38. Kb3 Ra8 39. Rxe5 Rb8+ 40. Kc2 Kd7 41. Nc3 Bd6 42. Rd5 Ke6 43. Nb5 Bf8 44. a4 Be7 45. Rd3 Ke5 46. Re3+ Kf6 47. a5 Bd8 48. a6 Ra8 49. a7 Bb6 50. Ra3 Ke5 51. Ra6 Bd8 |
| ECO B04 in 1990 play it! lau ralf defeats black's brauner uwe in 83 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4 a5 8. Bf4 d5 9. Nbd2 h6 10. Qe2 g5 11. Be3 Nc6 12. c3 Bf5 13. h4 g4 14. Nh2 Qd7 15. Nhf1 h5 16. Ng3 Bg6 17. f3 gxf3 18. gxf3 O-O-O 19. Qg2 e6 20. Ne2 Rdf8 21. Bg5 Ne7 22. Nf4 Bh6 23. Qf2 Bxg5 24. hxg5 Bf5 25. Rxh5 Rxh5 26. Nxh5 Rh8 27. Nf6 Qc6 28. Nf1 Ng6 29. Ng3 Nf4 30. Nxf5 exf5 31. O-O-O Nxa4 32. Qc2 Nb6 33. Qxf5+ Ne6 34. g6 fxg6 35. Qxg6 Kb8 36. Qc2 a4 37. Ba2 Nf4 38. Qd2 a3 39. Qxf4 axb2+ 40. Kb1 Qa4 41. Rg1 Nc4 42. Nxd5 |
| ECO B05 in 1998 play it! lau ralf defeats black's schroll gerhard in 105 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. c4 Nb6 7. Ng5 Bxe2 8. Qxe2 h6 9. Nf3 dxe5 10. dxe5 e6 11. O-O N8d7 12. Nc3 Qc7 13. Bf4 Nc5 14. Rad1 a5 15. b3 Be7 16. Nd2 O-O-O 17. Nde4 Kb8 18. Nd6 Nc8 19. Nxf7 Rxd1 20. Rxd1 Rf8 21. Qh5 Nxb3 22. Ne2 Nc5 23. Qg6 Ne4 24. Qxe4 Rxf7 25. Be3 Bb4 26. Nf4 Rd7 27. Rb1 Qd8 28. g3 Rd1+ 29. Kg2 Rxb1 30. Qxb1 Qe8 31. Qd3 g5 32. Qg6 Qxg6 33. Nxg6 Kc7 34. h4 Nb6 35. hxg5 hxg5 36. Bxg5 Nxc4 37. Kf3 Bc5 38. Ke2 b5 39. Bf6 b4 40. Nf4 Kd7 41. Kd3 Nb6 42. f3 Bf2 43. g4 c5 44. Ke2 Bd4 45. g5 a4 46. g6 Ke8 47. g7 Kf7 48. Nxe6 Nd5 49. Nxd4 cxd4 50. e6+ Kg8 51. Be5 Ne7 52. Bxd4 Nf5 53. Kd3 |
| ECO B04 in 1989 play it! lau ralf defeats black's wolf volker in 73 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 g6 6. Bc4 Be6 7. Qe2 Bg7 8. O-O Nd7 9. Nf3 h6 10. Bb3 c6 11. h3 O-O 12. c4 Nc7 13. Nc3 Nf6 14. Bf4 g5 15. Bh2 Bf5 16. Rad1 e6 17. Ne5 Nd7 18. f4 Nxe5 19. fxe5 Bg6 20. Ne4 b5 21. Nf6+ Bxf6 22. Rxf6 bxc4 23. Bc2 Kg7 24. Bxg6 fxg6 25. Qe4 Rxf6 26. exf6+ Kf7 27. Re1 Rc8 28. Bxc7 Rxc7 29. Qxe6+ Kf8 30. Qxc4 Rd7 31. Qc5+ Kf7 32. Qxc6 Rd6 33. Qb7+ Rd7 34. Qxd7+ Qxd7 35. Re7+ Qxe7 36. fxe7 Kxe7 37. Kf2 |
| ECO B03 in 1983 play it! lau ralf defeats black's de laporte karin in 71 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Nb4 10. Rc1 c5 11. dxc5 Qxd1+ 12. Nxd1 Nd7 13. a3 Nc2+ 14. Kd2 Nxe3 15. Nxe3 Nxc5 16. Nxf5 exf5 17. Kc2 O-O-O 18. Be2 Ne4 19. Rhd1 Bc5 20. Rxd8+ Rxd8 21. Rd1 Rxd1 22. Bxd1 Kd7 23. b4 Be3 24. Be2 b6 25. g3 Ke6 26. a4 g5 27. Kd3 Bc1 28. Nd4+ Kxe5 29. Nc6+ Kd6 30. Nxa7 Bb2 31. Nc8+ Kc7 32. Ne7 Nd6 33. Bf3 Ne4 34. Bxe4 fxe4+ 35. Kxe4 Bc3 36. Nd5+ |
| ECO B05 in 1998 play it! lau ralf defeats black's fischer mar in 91 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. O-O Be7 8. Nc3 O-O 9. Be3 N8d7 10. exd6 cxd6 11. b3 Nf6 12. Rc1 Nbd7 13. h3 Bh5 14. g4 Bg6 15. Nh4 d5 16. c5 Ne4 17. Nxg6 hxg6 18. Nxe4 dxe4 19. d5 exd5 20. Qxd5 b6 21. cxb6 axb6 22. Rfd1 Nc5 23. Qc6 Qb8 24. Bc4 Qe5 25. Qxb6 Nd3 26. Bd4 Qf4 27. Be3 Qf3 28. Bxd3 exd3 29. Qc6 Qxh3 30. Qg2 Qxg2+ 31. Kxg2 Rxa2 32. Rxd3 Ra5 33. Rc7 Bg5 34. b4 Rb5 35. Bc5 Bf4 36. Ra7 Rc8 37. Rdd7 Rbxc5 38. bxc5 Rxc5 39. Rxf7 Bh6 40. Rfc7 Rxc7 41. Rxc7 Bf4 42. Rb7 g5 43. Kf3 Be5 44. Ke4 Bf6 45. Kf5 Kh7 46. Rb1 |
| ECO B04 in 1998 play it! lau ralf defeats black's vincze istvan in 53 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. a4 a5 6. h3 g6 7. Bb5+ c6 8. Bd3 dxe5 9. Nxe5 Be6 10. c3 N8d7 11. Nf3 Bg7 12. O-O O-O 13. Re1 Bd5 14. Bg5 Bxf3 15. Qxf3 f6 16. Bh4 e5 17. Nd2 exd4 18. cxd4 Rf7 19. Bc2 Nd5 20. Bb3 N7b6 21. Ne4 Qf8 22. Bg3 Qb4 23. Bd6 Qxd4 24. Bc5 Qxb2 25. Bxb6 Nxb6 26. Rab1 Qd4 27. Rbd1 |
| ECO B00 in 2007 play it! lau ralf defeats black's gross georg in 111 moves | 1. e4 Nc6 2. Nf3 f5 3. exf5 d5 4. Bb5 Bxf5 5. Ne5 a6 6. Bxc6+ bxc6 7. O-O e6 8. d3 Bd6 9. Qh5+ g6 10. Qe2 Qh4 11. Nd2 Nf6 12. Ndf3 Qh5 13. Re1 O-O 14. h3 c5 15. Bf4 Rab8 16. b3 h6 17. Nd2 Qxe2 18. Rxe2 g5 19. Bh2 h5 20. Ndf3 g4 21. hxg4 hxg4 22. Nh4 Kg7 23. Bf4 Rh8 24. g3 Rh5 25. Nc6 Re8 26. Be5 Kf7 27. Rae1 Nd7 28. Bxd6 cxd6 29. Nxf5 Rxf5 30. Rxe6 Rxe6 31. Nd8+ Ke7 32. Nxe6 Ne5 33. Nf4 Kd7 34. Kg2 Nf3 35. Rh1 Kc6 36. c4 dxc4 37. dxc4 Re5 38. Nd5 Ne1+ 39. Kf1 Nf3 40. Ne3 Re4 41. Rh7 a5 42. Ke2 Ne5 43. Kd2 Rd4+ 44. Kc3 Kb6 45. Nd5+ Ka6 46. Rh6 Nf7 47. Rg6 a4 48. Kc2 Re4 49. Ne3 Ne5 50. Rxd6+ Ka5 51. Re6 Kb4 52. Nd5+ Ka5 53. Re8 Ka6 54. Ne3 axb3+ 55. axb3 Kb7 56. Nxg4 |
| ECO D30 in 1999 play it! lau ralf defeats black's steiner bruno in 41 moves | 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 Nf6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 Bb4 9. Qc2 b5 10. Be2 g4 11. Ne5 Qxd4 12. O-O Bxc3 13. bxc3 Qxe4 14. Qd2 Nbd7 15. Rad1 O-O 16. f3 Qd5 17. Qxh6 Qc5+ 18. Kh1 Re8 19. Qg5+ Kh7 20. fxg4 Qf8 21. Rxd7 |
| ECO D27 in 1981 play it! lau ralf defeats black's gomez baillo jor in 65 moves | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Nc3 Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5 11. Bd2 O-O 12. Rac1 Bd7 13. h3 Rfd8 14. e4 Be8 15. e5 Nd7 16. Bf4 Nb6 17. Bd3 Bb4 18. Be3 Nd7 19. Na2 Be7 20. Be4 Ndxe5 21. Nxe5 Rxd1+ 22. Rxd1 Nxe5 23. Bxb7 Rb8 24. Bxa6 Bxa4 25. Rd4 Be8 26. b4 Nc6 27. Rc4 Bxb4 28. Nxb4 Nxb4 29. Bf4 Rb6 30. Rc8 Kf8 31. Bb5 g5 32. Rxe8+ Kg7 33. Rb8 |
| ECO D35 in 1991 play it! lau ralf defeats black's kleschtschow jur in 91 moves | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Nf3 Be7 8. Bd3 O-O 9. Qc2 Re8 10. O-O h6 11. Bf4 Nh5 12. Nxd5 Nxf4 13. Nxf4 Bd6 14. Ne2 Nf6 15. e4 Bc7 16. h3 Be6 17. b4 Rc8 18. a4 Qe7 19. Rab1 Bd7 20. Nc3 Red8 21. a5 Be6 22. Na4 Nh5 23. Qc5 Qxc5 24. Nxc5 Nf4 25. Rfc1 Nxd3 26. Nxd3 Kf8 27. Kf1 Ke7 28. a6 bxa6 29. Rxc6 Bb6 30. Rxc8 Rxc8 31. Nc5 Bc4+ 32. Ke1 a5 33. Ne5 Bb5 34. bxa5 Bxa5+ 35. Kd1 a6 36. Nf3 Bb6 37. Nxa6 Ba4+ 38. Ke2 Ba5 39. Nc5 Bc6 40. Ke3 Kd6 41. Nb7+ Bxb7 42. Rxb7 Rc3+ 43. Kf4 Bc7 44. d5 g6 45. Nd4 Kd7+ 46. d6 |
| ECO D02 in 1999 play it! lau ralf defeats black's posch werner in 57 moves | 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6 5. Qb3 Qb6 6. c5 Qc7 7. Bf4 Qc8 8. e3 h6 9. h3 Nd7 10. Be2 Ngf6 11. O-O Be7 12. Rfc1 O-O 13. Qd1 Ne4 14. b4 Bf6 15. b5 Ndxc5 16. Nxe4 Nxe4 17. bxc6 bxc6 18. Ne5 Bxe5 19. Bxe5 Qd7 20. Qa4 Qe7 21. f3 Nf6 22. Rxc6 Ne8 23. Qa5 Qg5 24. Kf2 Qg6 25. Qc3 h5 26. g4 hxg4 27. hxg4 Bb1 28. Qb3 f6 29. Bg3 |
| ECO D06 in 1981 play it! lau ralf defeats black's schmittdiel eckh in 57 moves | 1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 c6 6. cxd5 cxd5 7. e3 Nc6 8. Bb5 Bd6 9. O-O Qc7 10. Rc1 Ne4 11. Bxc6+ bxc6 12. Bh4 Rb8 13. b3 f6 14. Nxe4 dxe4 15. Nd2 Bxh2+ 16. Kh1 h5 17. Qc2 g5 18. Qxc6+ Qxc6 19. Rxc6 Kd7 20. Rfc1 Bd6 21. Rxd6+ Kxd6 22. Bg3+ e5 23. dxe5+ fxe5 24. Nc4+ Ke6 25. Bxe5 h4 26. Bxb8 Rxb8 27. Rd1 Rc8 28. Rd6+ Ke7 29. Rd5 |
| ECO A40 in 2004 play it! lau ralf defeats black's nguyen chi minh in 69 moves | 1. d4 e6 2. Nf3 Nf6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. Re1 Nc6 7. c3 Be7 8. Nbd2 Qc7 9. a3 h6 10. b4 d6 11. Bb2 g5 12. Nf1 Rg8 13. e4 d5 14. e5 Nd7 15. bxc5 bxc5 16. Ng3 g4 17. Nd2 c4 18. Bc2 Ncxe5 19. dxe5 Nxe5 20. a4 h5 21. Nxh5 O-O-O 22. Nf1 Bc5 23. Qd2 f5 24. Ba3 d4 25. Bxc5 Qxc5 26. Rab1 Bxg2 27. Rxe5 Qxe5 28. Kxg2 d3 29. Bd1 f4 30. Nxf4 Rdf8 31. Kg3 Rg7 32. Qe3 Qc7 33. Rb5 e5 34. Rxe5 Kb8 35. Rb5+ |
| ECO A80 in 1982 play it! lau ralf defeats black's kauder hartmut in 75 moves | 1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. b3 d6 7. Bb2 Qe8 8. Nbd2 Nc6 9. Re1 Qh5 10. c4 g5 11. e4 g4 12. e5 gxf3 13. exf6 Bxf6 14. Nxf3 Qf7 15. Qd2 Qg7 16. Re2 Ne7 17. Rae1 a5 18. a4 b6 19. Bc1 Bd7 20. Ne5 dxe5 21. dxe5 Rad8 22. exf6 Qxf6 23. Bb2 Qg6 24. Qf4 c6 25. h4 h6 26. Kh2 Kh7 27. Rd1 Bc8 28. Rxd8 Rxd8 29. Rd2 Rxd2 30. Qxd2 Qf7 31. Qd4 e5 32. Qxe5 Ng6 33. Qc3 h5 34. Bxc6 Bb7 35. Bxb7 Qxb7 36. Qf6 f4 37. gxf4 Qc7 38. Bd4 |
| ECO A80 in 2001 play it! lau ralf defeats black's maly martin in 58 moves | 1. d4 f5 2. Nf3 Nf6 3. Bg5 Ne4 4. h4 c6 5. c3 Qb6 6. Qc2 d6 7. Nbd2 Nd7 8. Nxe4 fxe4 9. Nd2 e5 10. O-O-O d5 11. f3 exd4 12. cxd4 Qxd4 13. Nxe4 Qe5 14. Nf2 Be7 15. Kb1 Nf6 16. g4 Be6 17. Nd3 Qc7 18. Bf4 Qa5 19. Bd2 Qc7 20. Bh3 Bd6 21. g5 Bxh3 22. gxf6 Be6 23. Nc5 Bf7 24. fxg7 Rg8 25. Rdg1 b6 26. Nb3 Be5 27. Qxh7 O-O-O 28. f4 Bd6 29. h5 c5 |