| ECO A09 in 1996 play it! lau ralf defeats black's spilker boris in 40 moves | 1. Nf3 d5 2. c4 e6 3. g3 c6 4. b3 Nf6 5. Bg2 Nbd7 6. d4 Bd6 7. O-O O-O 8. Nc3 b6 9. Qc2 Bb7 10. Rd1 Rc8 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Qc7 14. Qc2 c5 15. Ng5 Nf6 16. dxc5 Bxc5 17. Bb2 h6 18. Ne4 Nxe4 19. Bxe4 Bxe4 20. Qxe4 Rcd8 |
| ECO A05 in 2002 play it! lau ralf defeats black's cifka stanislav by checkmate in 97 moves | 1. Nf3 Nf6 2. d4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. b3 c5 8. e3 cxd4 9. exd4 d5 10. Bb2 Nc6 11. Qe2 Rc8 12. Nbd2 Bb4 13. Rfd1 Ba6 14. Rac1 Na5 15. Bf1 Rc7 16. a3 Bxd2 17. Nxd2 dxc4 18. bxc4 Qe7 19. Qe3 Rd8 20. Bc3 Nc6 21. Nf3 Bb7 22. Bb2 Na5 23. Ne5 Rdc8 24. Bc3 Nc6 25. Nxc6 Bxc6 26. d5 Nxd5 27. cxd5 Bxd5 28. Bb4 Rxc1 29. Rxc1 Qb7 30. Rxc8+ Qxc8 31. Qc3 Qb7 32. Bd6 Bc6 33. Bf4 h6 34. Qe5 Kh7 35. Qc7 Qxc7 36. Bxc7 b5 37. Bd3+ g6 38. f4 Kg7 39. Kf2 Kf8 40. Ke3 Ke7 41. Kd4 Kd7 42. Ba5 a6 43. Kc5 Bb7 44. Bc3 h5 45. Kb6 Bc8 46. Be5 Kd8 47. Be4 Kd7 48. Bc6+ Kd8 49. Bf6# |
| ECO A05 in 1983 play it! lau ralf defeats black's muench ursula in 33 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. Nc3 Nc6 8. Be3 Re8 9. Qc1 Be6 10. Ng5 Bd7 11. f4 h6 12. fxe5 hxg5 13. exf6 Bxf6 14. Nd5 Bd4 15. Bxd4 Nxd4 16. Qe3 Nxc2 17. Qf2 |
| ECO A13 in 2002 play it! lau ralf defeats black's haba petr in 51 moves | 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O b6 7. d4 Bb7 8. Nc3 Qc8 9. cxd5 Nxd5 10. Nxd5 Bxd5 11. Qc2 Qb7 12. e4 Bc6 13. Re1 Na6 14. a3 Rad8 15. Bb2 Bb5 16. Rad1 f6 17. e5 Qc8 18. d5 Rxd5 19. Rxd5 exd5 20. Nd4 c6 21. Nxb5 cxb5 22. Bxd5+ Kh8 23. Qxc8 Rxc8 24. exf6 Bxf6 25. Bxf6 gxf6 26. Bb7 |
| ECO A21 in 1990 play it! lau ralf defeats black's birkholz mary in 137 moves | 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 d6 5. Bg2 Nc6 6. d3 f5 7. e3 Nf6 8. Ne2 Bd7 9. Rb1 Rb8 10. O-O O-O 11. Qc2 Qe8 12. Ba3 Be6 13. c5 d5 14. d4 e4 15. Nf4 Bf7 16. Rfe1 g5 17. Ne2 Bh5 18. c4 Bf3 19. cxd5 Nxd5 20. Qc4 Qf7 21. Nc3 Nxc3 22. Qxc3 Qh5 23. Qc4+ Rf7 24. Qf1 f4 25. h3 fxe3 26. fxe3 b6 27. Rb2 Na5 28. cxb6 axb6 29. Rf2 Ra8 30. Bb4 g4 31. h4 Qd5 32. Bxa5 Rxa5 33. Ra1 Ra3 34. Qe1 Qd6 35. Kh2 Ra5 36. Rc2 Rh5 37. Kg1 Bxg2 38. Rxg2 Rf3 39. a4 Ra5 40. Raa2 Raf5 41. Kh2 Rf1 42. Qc3 Rh5 43. Qc4+ Rf7 44. Raf2 Qd5 45. Qxd5 Rxd5 46. Rxf7 Kxf7 47. Rc2 Rd7 48. Rf2+ Ke6 49. Rf4 Kd5 50. Rxg4 Re7 51. Kg2 Kc4 52. h5 Kb4 53. h6 Kxa4 54. Rg7 Re6 55. Rxh7 c6 56. Ra7+ Kb3 57. h7 Rh6 58. g4 b5 59. Kg3 b4 60. g5 Rh1 61. g6 Kc2 62. Ra8 Rg1+ 63. Kh2 Rxg6 64. h8=Q b3 65. Rb8 b2 66. Qh5 Rg8 67. Qe2+ Kc1 68. Qxb2+ Kd1 69. Rxg8 |
| ECO A10 in 1983 play it! lau ralf defeats black's gundelfinger kar in 69 moves | 1. c4 d6 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O c6 7. d3 e5 8. Rb1 Nbd7 9. Bd2 Qc7 10. Ne1 a5 11. Nc2 Nc5 12. Ne3 Nfd7 13. a3 a4 14. Nc2 Nb3 15. Nb4 Nxd2 16. Qxd2 Nc5 17. e3 Nb3 18. Qc2 f5 19. Nxa4 Rxa4 20. Qxb3 Ra8 21. c5+ d5 22. e4 Kh8 23. exd5 cxd5 24. Qxd5 Rd8 25. Qc4 Rd4 26. Qc2 Be6 27. c6 b5 28. Qc5 Bf8 29. Qxb5 Rb8 30. Na6 Qb6 31. Qxe5+ Bg7 32. Qxb8+ Qxb8 33. Nxb8 Bc8 34. Rfe1 Rd8 35. c7 |
| ECO A10 in 1986 play it! lau ralf defeats black's gundelfinger kar in 47 moves | 1. c4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 Nbd7 7. O-O e5 8. dxe5 dxe5 9. Qc2 Qe7 10. b3 a5 11. Bb2 Nc5 12. Ba3 Re8 13. Nd2 e4 14. Bxc5 Qxc5 15. Ndxe4 Nxe4 16. Nxe4 Qe5 17. f4 Qe7 18. Qc1 Bxa1 19. Qxa1 Rd8 20. Nf6+ Kf8 21. Nxh7+ Kg8 22. Nf6+ Kf8 23. Kh1 c6 24. Nd5 |
| ECO A23 in 1986 play it! lau ralf defeats black's oweger elfi in 113 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. e3 cxd5 8. Qb3 Qxb3 9. Nxb3 a6 10. d3 Bg4 11. Be2 Bxe2 12. Kxe2 Nc6 13. dxe4 dxe4 14. Nd2 Bb4 15. Ndxe4 Nxe4 16. Nxe4 O-O 17. Bd2 f5 18. Bxb4 Nxb4 19. Nc3 Rad8 20. Rhd1 Rde8 21. Kf1 Rf7 22. a3 Nc6 23. Rac1 Ne5 24. Ne2 g5 25. Rc2 Ng4 26. h3 Ne5 27. b3 Ng6 28. Rcd2 h5 29. Rd8 Rxd8 30. Rxd8+ Kg7 31. Rd4 h4 32. f4 hxg3 33. fxg5 Ne5 34. Kg2 Nc6 35. Rd3 Re7 36. Kxg3 Ne5 37. Rc3 Kg6 38. h4 Ng4 39. Nf4+ Kg7 40. Nd5 Rd7 41. Nf4 Re7 42. Kf3 Ne5+ 43. Kf2 Ng4+ 44. Ke2 Ne5 45. Nd5 Rd7 46. Rc7 Rxc7 47. Nxc7 Kg6 48. Kf2 Kh5 49. Kg3 Ng6 50. Nd5 Nxh4 51. Nf4+ Kxg5 52. Ne6+ Kh5 53. Nc5 Ng6 54. Nxb7 Ne5 55. Kf4 Ng6+ 56. Kxf5 Ne7+ 57. Ke6 |
| ECO A36 in 1983 play it! lau ralf defeats black's lorenz oda in 99 moves | 1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 g6 5. Nf3 Bg7 6. O-O O-O 7. d3 d6 8. Bd2 Bf5 9. Rb1 Rb8 10. a3 Ng4 11. b4 cxb4 12. axb4 Nce5 13. Nh4 Qd7 14. Nxf5 Qxf5 15. Nd5 Qd7 16. f4 Nc6 17. b5 Nd8 18. e4 Bd4+ 19. Kh1 Nf2+ 20. Rxf2 Bxf2 21. f5 Bd4 22. Qg4 e6 23. f6 Re8 24. Bh3 Kh8 25. Qg5 b6 26. Qh6 Rg8 27. Bg5 Nb7 28. Rf1 Qe8 29. Ne7 Nc5 30. Rf4 Qf8 31. Qh4 Nxd3 32. Bh6 Bxf6 33. Qxf6+ Rg7 34. Rf3 Ne5 35. Rf1 Nd7 36. Bxg7+ Qxg7 37. Qxf7 Qxf7 38. Rxf7 Nc5 39. Bg2 Nd3 40. Nc6 Rc8 41. Rxa7 Ne5 42. Nxe5 dxe5 43. Bf1 Rd8 44. c5 bxc5 45. b6 Rd1 46. Kg1 Rb1 47. b7 c4 48. Ra8+ Kg7 49. b8=Q Rxb8 50. Rxb8 |
| ECO A17 in 1983 play it! lau ralf defeats black's gebauer dorothea in 86 moves | 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. d4 Be6 6. Nf3 Be7 7. Bg2 O-O 8. O-O c6 9. Qb3 Qc8 10. Ng5 Nbd7 11. Nxe6 fxe6 12. Bh3 Nb6 13. e4 Ne8 14. exd5 cxd5 15. Re1 Qc4 16. Bxe6+ Kh8 17. Qxc4 dxc4 18. Bxc4 Bf6 19. Bb3 Bxd4 20. Be3 Bxe3 21. Rxe3 Nf6 22. f4 Rad8 23. Rd1 Rxd1+ 24. Nxd1 Re8 25. Rxe8+ Nxe8 26. Ne3 Nd6 27. Be6 g6 28. b3 Kg7 29. Ng4 h5 30. Ne5 Kf6 31. Bh3 Ne4 32. Bg2 Nd6 33. Kf2 Kf5 34. Nd3 Na8 35. Ke3 Nc7 36. Kd4 b6 37. a4 Nf7 38. Bh3+ Kf6 39. Ne5 Nxe5 40. fxe5+ Ke7 41. Ke4 g5 42. Bf1 Ne6 43. Bc4 a5 |
| ECO A03 in 1995 play it! lau ralf defeats black's schnegelsberg ka in 79 moves | 1. f4 d5 2. Nf3 g6 3. e3 Bg7 4. Be2 c5 5. O-O Nc6 6. d4 cxd4 7. exd4 Qb6 8. c3 Nf6 9. Nbd2 O-O 10. Ne5 Bf5 11. Ndf3 Rad8 12. Qe1 Nd7 13. Kh1 f6 14. Nxd7 Rxd7 15. Nh4 Be4 16. Bf3 f5 17. g3 Nd8 18. Bg2 Nf7 19. Nf3 Nd6 20. Ne5 Rc7 21. Qe2 Rfc8 22. h4 a5 23. h5 Bxg2+ 24. Kxg2 Ne4 25. hxg6 hxg6 26. a4 Rd8 27. Be3 Rd6 28. Ra3 Qa6 29. Qxa6 Rxa6 30. Rb3 Rd6 31. Rb5 b6 32. Rh1 Bf8 33. Kf3 Kg7 34. g4 fxg4+ 35. Kxg4 e6 36. Kf3 Kf6 37. Kg4 Rg7 38. Rh8 Ke7 39. Kf3 Kf6 40. Rxf8+ |
| ECO A00 in 2003 play it! lau ralf defeats black's penz harald in 101 moves | 1. g3 Nf6 2. Bg2 d5 3. c4 dxc4 4. Na3 Nbd7 5. Nxc4 g6 6. b3 Bg7 7. Bb2 O-O 8. Nf3 c6 9. O-O Nb6 10. d3 Be6 11. Qc2 Qc8 12. Rfe1 Rd8 13. a3 Bh3 14. Bh1 Bd7 15. Na5 Be8 16. Rac1 Nfd7 17. Bxg7 Kxg7 18. d4 Nf6 19. e4 Rb8 20. b4 Qd7 21. Bg2 Rdc8 22. h3 e6 23. Qb2 Qe7 24. Ne5 Kg8 25. Rcd1 Rd8 26. Nd3 Na4 27. Qc2 Nb6 28. Nc5 Na8 29. Ncb3 Nb6 30. Qc5 Nc8 31. Qe5 Nd6 32. d5 Rbc8 33. dxc6 Bxc6 34. Nxc6 Rxc6 35. Na5 Rcc8 36. Qg5 b6 37. e5 h6 38. exf6 Qf8 39. Qe5 bxa5 40. Qxa5 Rd7 41. Qa6 Rb8 42. Rd4 Rdd8 43. Red1 Nf5 44. Rd7 Rxd7 45. Rxd7 Rb6 46. Qxa7 Rd6 47. Qc7 g5 48. Be4 Rxd7 49. Qxd7 Nd6 50. Bb1 Ne8 51. Qd8 |
| ECO A00 in 2002 play it! lau ralf defeats black's peterwagner hein in 59 moves | 1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. f4 e6 5. Qe2 Nc6 6. c3 Nge7 7. Nf3 a6 8. d3 Rb8 9. Be3 d6 10. O-O O-O 11. Nbd2 b5 12. e5 dxe5 13. fxe5 Nxe5 14. Nxe5 Bxe5 15. Bh6 Qc7 16. Bxf8 Kxf8 17. Rae1 Bg7 18. Nf3 Kg8 19. Qf2 b4 20. Ne5 Nf5 21. Nc6 bxc3 22. bxc3 Bxc3 23. Rc1 Rb2 24. Qxc5 Bf6 25. Rf2 Rxf2 26. Kxf2 Bg5 27. Re1 Bf6 28. Rc1 Bg5 29. Nd4 Be3+ 30. Ke2 |
| ECO A00 in 1992 play it! lau ralf defeats black's piron in 69 moves | 1. Nc3 g6 2. h4 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 exf6 7. h5 Bd6 8. hxg6 Qe7+ 9. Qe2 fxg6 10. Qxe7+ Bxe7 11. Nf3 Be6 12. Nd4 Bd5 13. c4 Bf7 14. Rb1 c5 15. Nb5 Kd7 16. Be2 Nc6 17. d3 h5 18. Bf3 b6 19. O-O Rhe8 20. Bf4 g5 21. Bg3 Rac8 22. Bxc6+ Rxc6 23. Nxa7 Re6 24. Nb5 Re2 25. Rfc1 f5 26. Kf1 Bf8 27. Nc3 R2e6 28. f4 g4 29. Nd5 Rb8 30. a4 Rh6 31. Bh4 Bxd5 32. cxd5 Ra8 33. Re1 Rxa4 34. c4 Rg6 35. Re5 |
| ECO A00 in 1991 play it! lau ralf defeats black's callens in 91 moves | 1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Be6 5. Nf3 f6 6. Bb5+ c6 7. Ba4 Nd7 8. Bb3 Nc5 9. Bxe6 Nxe6 10. O-O g6 11. d3 Qd7 12. Qe1 Nh6 13. Nh4 Nf7 14. Ne2 Bd6 15. h3 Ng7 16. f4 exf4 17. Nxf4 Ne5 18. Ne2 O-O 19. Bh6 Rf7 20. Qd2 Rd8 21. Qa5 b6 22. Qd2 Ne6 23. Nf3 Bf8 24. Nxe5 fxe5 25. Rxf7 Qxf7 26. Rf1 Bxh6 27. Qxh6 Qe7 28. a3 a5 29. Kh1 a4 30. Ng1 Qg5 31. Qxg5 Nxg5 32. Rf6 Rc8 33. h4 Nf7 34. Nf3 Kg7 35. Re6 b5 36. Nxe5 Nxe5 37. Rxe5 Kf7 38. Rc5 Ke7 39. c3 dxc3 40. bxc3 Kd7 41. g3 Re8 42. e5 Kc7 43. d4 Kb6 44. Kg2 Rf8 45. g4 h6 46. c4 |
| ECO B42 in 1994 play it! lau ralf defeats black's heyl thomas in 50 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. f4 Nbd7 8. Kh1 Be7 9. Nc3 Qc7 10. a4 b6 11. Qf3 Bb7 12. Bd2 O-O 13. Rae1 Nc5 14. Qh3 g6 15. Nf3 d5 16. exd5 Nxd3 17. cxd3 exd5 18. f5 Nh5 19. d4 Bf6 20. g4 Nf4 21. Qg3 g5 22. h4 Ne6 23. Qxc7 Nxc7 24. hxg5 Bh8 25. Bf4 Ne8 |
| ECO B63 in 1991 play it! lau ralf defeats black's aseev konstantin in 82 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. Nb3 a6 10. Bxf6 gxf6 11. Qh6 Kh8 12. Qh5 Qe8 13. f4 Rg8 14. Bd3 Rg7 15. g4 b5 16. h4 b4 17. Ne2 e5 18. f5 a5 19. Kb1 Nb8 20. g5 Nd7 21. Rdg1 Bb7 22. Qf3 Qd8 23. Ng3 fxg5 24. hxg5 Rxg5 25. f6 Nxf6 26. Nf5 Rg6 27. Nd2 Bf8 28. Nc4 Rc8 29. Nce3 a4 30. Qh3 Bg7 31. Ng4 Kg8 32. Nxf6+ Qxf6 33. Qxh7+ Kf8 34. Rf1 Rc7 35. Nh4 Rh6 36. Rxf6 Rxh7 37. Rxd6 Rc8 38. Ng6+ fxg6 39. Rxh7 Rc7 40. Rxg6 Rf7 41. Rg1 a3 |
| ECO B41 in 1987 play it! lau ralf defeats black's breyther ruedige in 63 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 Nc6 7. Bg2 Be7 8. O-O Bd7 9. Nb3 a6 10. a4 Qc7 11. a5 Ne5 12. f4 Nc4 13. Kh1 h5 14. h3 O-O-O 15. Qe2 Rhe8 16. Rd1 d5 17. e5 Ng8 18. Rxd5 exd5 19. Nxd5 Qc6 20. Nxe7+ Nxe7 21. Bxc6 Bxc6+ 22. Kh2 Bb5 23. Qxh5 g6 24. Qf3 Nf5 25. g4 Nh4 26. Qf2 Rh8 27. Be3 Bc6 28. Kg3 Nxe3 29. Qxe3 Ng2 30. Qa7 f5 31. Nd4 Be4 32. Ra3 |
| ECO B55 in 2004 play it! lau ralf defeats black's stangl markus in 81 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Be7 7. Nc3 b6 8. Be3 Bb7 9. Be2 Nbd7 10. Qd2 Ne5 11. O-O Rc8 12. b3 O-O 13. Rfd1 d5 14. exd5 exd5 15. Nf5 dxc4 16. Qxd8 Bxd8 17. Nd6 Rb8 18. bxc4 Be7 19. Ncb5 a6 20. Nc7 Rfd8 21. Nxb7 Rxd1+ 22. Rxd1 Rxb7 23. Nxa6 Ned7 24. Kf2 h6 25. a4 Ra7 26. c5 Bxc5 27. Nxc5 Nxc5 28. Bxc5 bxc5 29. Rd8+ Kh7 30. Bb5 c4 31. Ke1 c3 32. Kd1 Rc7 33. a5 c2+ 34. Kc1 Rc5 35. a6 Rxb5 36. a7 Ra5 37. a8=Q Rxa8 38. Rxa8 Nd5 39. g3 Ne3 40. Re8 Nf5 41. Re4 |
| ECO B47 in 1990 play it! lau ralf defeats black's fauland alexande in 71 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nf3 Bc5 8. Bd3 d6 9. Qe2 Nd4 10. Nxd4 Bxd4 11. Bd2 Bd7 12. O-O-O Ne7 13. Qf3 O-O-O 14. Ne2 Bf6 15. Bc3 Bxc3 16. Nxc3 Nc6 17. Qe3 Kb8 18. Rd2 Qa5 19. Be2 Bc8 20. Rhd1 Qc7 21. a3 h6 22. h4 h5 23. Rd3 Ne7 24. g3 Bd7 25. Rxd6 Nd5 26. R6xd5 exd5 27. Nxd5 Qa5 28. Nb6 Kc7 29. Nc4 Qa4 30. Qb6+ Kb8 31. Ne5 f6 32. Qd6+ Ka8 33. Nxd7 Qxe4 34. Bxa6 Rxd7 35. Qxd7 Qe3+ 36. Kb1 |