| ECO A04 in 1982 play it! ditt egon defeats white's bialas wolfram in 76 moves | 1. Nf3 g6 2. d4 Bg7 3. e3 d5 4. c4 c6 5. Bd3 Nf6 6. Nbd2 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. b4 Nbd7 10. a4 Rc8 11. Qb3 e6 12. Ba3 Re8 13. Rac1 Ne4 14. Rc2 Qf6 15. g3 Qh6 16. Rfc1 dxc4 17. Nxc4 Ndf6 18. Kg2 Rcd8 19. b5 cxb5 20. axb5 Nd5 21. Nfe5 Bxe5 22. dxe5 Qh5 23. h4 Qg4 24. Rg1 Kh8 25. Nd6 f4 26. Nxf7+ Kg7 27. Nxd8 f3+ 28. Kf1 Rxd8 29. Ke1 Rd7 30. Rh1 h5 31. Rc4 Qg6 32. Qd3 Nb6 33. Rd4 Rxd4 34. exd4 Qg4 35. Bc1 Nd5 36. Bd2 Qf5 37. Qa3 Nec3 38. Bxc3 Qd3 |
| ECO A04 in 1981 play it! ditt egon defeats white's rupp claus in 62 moves | 1. Nf3 g6 2. g3 Bg7 3. Bg2 f5 4. d4 Nf6 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. Nbd2 a5 9. a4 Na6 10. Nc4 Bd7 11. c3 Qc7 12. Qc2 c5 13. Rfd1 cxd4 14. Nxd4 Nc5 15. Nb5 Bxb5 16. axb5 Nce4 17. Ne3 Bh6 18. Qd3 Qb6 19. c4 e5 20. c5 Qxc5 21. Qc4+ Rf7 22. Qxc5 Nxc5 23. Rxd6 Ne8 24. Rd5 Nxb3 25. Ra3 a4 26. Rxe5 Nf6 27. Nd5 Nd7 28. Nc7 Nxe5 29. Bxe5 Rd8 30. Bxb7 Bg7 31. Bxg7 Rxc7 |
| ECO A04 in 2001 play it! ditt egon defeats white's thiele matthias in 66 moves | 1. Nf3 g6 2. c4 Bg7 3. g3 f5 4. Bg2 Nf6 5. O-O O-O 6. Nc3 c6 7. d3 d6 8. Qc2 Qc7 9. Rb1 a5 10. a3 e5 11. b4 axb4 12. axb4 Kh8 13. b5 d5 14. bxc6 bxc6 15. cxd5 cxd5 16. Qb3 e4 17. Nd4 Nc6 18. Ndb5 Qb7 19. Ba3 Rd8 20. Qd1 Be6 21. Na4 Bg8 22. Nc5 Qb6 23. Nd4 Qxb1 24. Qxb1 Nxd4 25. Bb2 Nxe2+ 26. Kh1 Rdc8 27. d4 f4 28. Bh3 Rcb8 29. Qc2 f3 30. Ra1 Rxa1+ 31. Bxa1 Rb4 32. Nb3 e3 33. fxe3 Ne4 |
| ECO A10 in 1995 play it! ditt egon defeats white's von janta lothar in 70 moves | 1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 e5 7. O-O d6 8. d4 e4 9. b4 Be6 10. c5 c6 11. Nf4 Bf7 12. Qc2 Na6 13. Ba3 g5 14. Nfe2 Nc7 15. b5 Nxb5 16. Nxb5 cxb5 17. cxd6 a5 18. Qc7 b4 19. Bb2 Ne8 20. Qxd8 Rxd8 21. Rfc1 Nxd6 22. Rc5 Nc4 23. Rxf5 Nxb2 24. Bxe4 Bc4 25. Nc1 Rxf5 26. Bxf5 b6 27. Nb3 Na4 28. Nd2 Bd5 29. f3 Nc3 30. a3 b3 31. Kg2 b2 32. Re1 Ba2 33. Nb1 Bxb1 34. Bxb1 Bf8 35. a4 Nxb1 |
| ECO A10 in 1980 play it! ditt egon defeats white's bachmann karlhei in 54 moves | 1. c4 g6 2. d4 f5 3. g3 Bg7 4. Bg2 Nf6 5. Nf3 O-O 6. O-O d6 7. Nc3 c6 8. d5 cxd5 9. cxd5 Na6 10. Be3 Nc5 11. Bd4 Bd7 12. Rc1 Qa5 13. a3 Nce4 14. Nd2 Nxc3 15. Bxc3 Qa6 16. Re1 Rac8 17. h3 Ba4 18. b3 Bd7 19. e3 Bb5 20. a4 Bd3 21. Bd4 Be2 22. Rxe2 Rxc1 23. Qxc1 Qxe2 24. Bf1 Qh5 25. Qc7 Qd1 26. Nc4 Ne4 27. Bxg7 Qe1 |
| ECO A10 in 2002 play it! ditt egon defeats white's grom waldemar in 74 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 f5 4. Bg2 Nf6 5. e3 O-O 6. d4 d6 7. Nge2 e5 8. O-O c6 9. b4 Be6 10. d5 Bf7 11. Rb1 Qe7 12. e4 cxd5 13. cxd5 Nbd7 14. exf5 gxf5 15. Bg5 h6 16. Bh4 Nb6 17. Re1 Qd7 18. a4 Rac8 19. Rc1 Nc4 20. Bh3 Ng4 21. Nb5 a6 22. Nbc3 Bg6 23. a5 h5 24. Na4 Bh6 25. Rxc4 Rxc4 26. Nb6 Qb5 27. Nxc4 Qxc4 28. Qb1 Kh7 29. Bf1 Qxd5 30. Rd1 Qf3 31. Bg2 Qxf2+ 32. Kh1 Qxe2 33. Re1 Qd2 34. h3 f4 35. Qc1 Nf2+ 36. Kg1 Qd4 37. Kh2 fxg3+ |
| ECO A10 in 1983 play it! ditt egon defeats white's mueller heinz in 56 moves | 1. c4 g6 2. Nc3 Bg7 3. Nf3 f5 4. d4 Nf6 5. g3 O-O 6. Bg2 d6 7. O-O c6 8. h3 Qc7 9. Be3 e5 10. c5 e4 11. Qb3+ d5 12. Ne1 Nh5 13. Rd1 Kh8 14. Bc1 Be6 15. e3 g5 16. Ne2 Nd7 17. Qc2 Rf7 18. b4 Rg8 19. h4 f4 20. gxf4 gxh4 21. Kh2 Ndf6 22. f3 Bf5 23. Qd2 Bh6 24. Nc3 Ng3 25. Rf2 Rfg7 26. Nc2 h3 27. Bxh3 Bxh3 28. Kxh3 Qf7 |
| ECO A01 in 1974 play it! ditt egon defeats white's giesen in 82 moves | 1. b3 d5 2. Bb2 Nf6 3. f4 Bf5 4. Nf3 e6 5. e3 Be7 6. Be2 h6 7. O-O O-O 8. Ne5 Nfd7 9. d3 Nxe5 10. fxe5 Bg5 11. Rf3 c5 12. Nd2 Nd7 13. c4 Bg6 14. Qe1 Bh4 15. Qf1 Qa5 16. Rd1 Qxa2 17. Bc3 Bg5 18. cxd5 exd5 19. h4 Bxe3+ 20. Rxe3 d4 21. Ra1 Qc2 22. Rg3 Qxc3 23. Nc4 b5 24. Nd6 Qxb3 25. h5 Bh7 26. Ra6 Qe6 27. Bg4 Qxe5 28. Qf2 Nb6 29. Nf5 Bxf5 30. Bxf5 c4 31. dxc4 bxc4 32. Kh2 d3 33. Ra5 Qxa5 34. Qd4 f6 35. Qg4 Rf7 36. Be6 Qg5 37. Qf3 Qh4+ 38. Kg1 Qd4+ 39. Kh2 Re8 40. Qf5 Rxe6 41. Qxe6 Qe5 |
| ECO B06 in 1976 play it! ditt egon defeats white's hartmann wolfgan in 138 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Qa5 5. Bd2 Qxc5 6. Bd3 Nf6 7. f4 d6 8. h3 Nc6 9. Qf3 Nb4 10. Nge2 Bd7 11. Be3 Qa5 12. O-O Nxd3 13. cxd3 O-O 14. g4 Bc6 15. f5 d5 16. Nd4 dxe4 17. dxe4 Nd7 18. g5 Rad8 19. Qf2 Qe5 20. Rad1 a6 21. Qh4 Rfe8 22. Rd2 Qc7 23. Rdf2 Ne5 24. Nxc6 bxc6 25. Bf4 Qa5 26. Bxe5 Qxe5 27. Kg2 Rd3 28. Rf3 Rd2+ 29. R1f2 Red8 30. fxg6 fxg6 31. Qg4 R2d4 32. Qf4 Qe6 33. Qc1 Rc4 34. Qc2 Rc5 35. Rg3 Be5 36. Rg4 Qc4 37. Rf3 a5 38. Qa4 Rd2+ 39. Rf2 Bxc3 40. Qxc4+ Rxc4 41. bxc3 Rxf2+ 42. Kxf2 Rxc3 43. Rg1 Rc2+ 44. Kf3 Rxa2 45. Rc1 Ra3+ 46. Kg4 Re3 47. Rc4 Kf7 48. h4 e5 49. Rxc6 Rxe4+ 50. Kg3 a4 51. Rc7+ Ke6 52. Rxh7 Rd4 53. Rg7 Kf5 54. Rf7+ Ke4 55. Rf6 a3 56. Ra6 Rd3+ 57. Kg4 Ke3 58. h5 Rd4+ 59. Kh3 gxh5 60. Rxa3+ Kf4 61. g6 e4 62. Kh4 Rd1 63. Rh3 Rg1 64. Kxh5 e3 65. Rh2 Kf5 66. Kh4 Rxg6 67. Ra2 Kf4 68. Kh3 Kf3 69. Kh2 e2 |
| ECO B06 in 1981 play it! ditt egon defeats white's krauseneck peter in 108 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. Be2 c5 6. Qd2 cxd4 7. Bxd4 O-O 8. h4 Qa5 9. Bxf6 exf6 10. Nf3 f5 11. Nb5 Qxd2+ 12. Nxd2 Nc6 13. c3 Rd8 14. Nc7 Rb8 15. Rd1 Be6 16. exf5 Bxf5 17. g4 Be6 18. Nxe6 fxe6 19. Ne4 d5 20. Nc5 Kf7 21. f4 b5 22. O-O b4 23. Na6 Rb6 24. Nxb4 Nxb4 25. cxb4 Rxb4 26. b3 Bd4+ 27. Kg2 Be3 28. Rf3 Bc5 29. Rc1 Bd6 30. Rc6 Ke7 31. Kg3 Rf8 32. Ra6 Bb8 33. a3 Bxf4+ 34. Kh3 Rb7 35. g5 Bb8 36. Re3 Rb6 37. Ra5 Kd6 38. Rd3 Rf2 39. Bf3 Ke7 40. Kg4 Rf1 41. h5 Rb1 42. Bd1 Rb2 43. Re3 Rg2+ 44. Kh4 Rh2+ 45. Kg4 gxh5+ 46. Kf3 Rb7 47. Be2 Rh3+ 48. Kf2 Rxe3 49. Kxe3 Rxb3+ 50. Kf2 h4 51. Ra4 Kf7 52. Bf3 Kg6 53. Rxh4 Kxg5 54. Rxh7 Rxa3 |
| ECO B06 in 1981 play it! ditt egon defeats white's zieher hartmut in 86 moves | 1. e4 g6 2. d4 Bg7 3. Bc4 c6 4. Nc3 d6 5. Nf3 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Bf4 Nb6 10. Bb3 Nbd5 11. Nxd5 Nxd5 12. Bg3 a5 13. c3 Bf5 14. Re1 Qb6 15. Nc4 Qa7 16. Ne3 Be6 17. Qf3 Rad8 18. Nxd5 cxd5 19. Bc2 b5 20. a3 Qb6 21. Be5 b4 22. axb4 axb4 23. Bxg7 Kxg7 24. Rad1 Rc8 25. Bb1 Rc6 26. cxb4 Qxb4 27. Qe2 Rb8 28. Rd2 Rbc8 29. h3 R8c7 30. Kh2 Bc8 31. Ba2 Re6 32. Qd1 Rc2 33. Qxc2 Rxe1 34. Qc3 Qd6+ 35. Qg3 Qa6 36. Bxd5 Qa5 37. Rc2 Bf5 38. Rc5 Qa1 39. Qc3 Rh1+ 40. Kg3 Qg1 41. Qd2 Rxh3+ 42. Kf4 Qh2+ 43. g3 Rxg3 |
| ECO B06 in 1988 play it! ditt egon defeats white's kroencke manfred in 106 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 c6 6. a4 a5 7. Bc4 d5 8. exd5 cxd5 9. Bb5+ Bd7 10. Bf4 O-O 11. O-O Bxb5 12. axb5 Nbd7 13. Re1 Nb6 14. Ne5 e6 15. Bg5 h6 16. Bh4 Qd6 17. Nd3 Ne4 18. Nxe4 dxe4 19. Rxe4 Qd5 20. Nc5 e5 21. c3 exd4 22. cxd4 Nc4 23. Qe2 Nd6 24. Be7 Nxe4 25. Bxf8 Ng3 26. Qg4 Rxf8 27. Qxg3 Bxd4 28. Nb3 Bxb2 29. Rxa5 Re8 30. b6 Qd1+ 31. Kh2 Re1 32. Qf3 Rh1+ 33. Kg3 Qd6+ 34. Qf4 Qxb6 35. Ra8+ Kg7 36. Nd2 Bd4 37. Ne4 Qe6 38. Ra5 Qb3+ 39. f3 Qb4 40. Qd2 Qxd2 41. Nxd2 Rd1 42. Nb3 Be3 43. Rb5 b6 44. f4 Rf1 45. Rb4 f5 46. Rc4 h5 47. h4 b5 48. Rb4 Bf2+ 49. Kh2 Bg1+ 50. Kh3 Bf2 51. Kh2 Be1 52. Rxb5 Rxf4 53. Rb7+ Kh6 |
| ECO B06 in 1987 play it! ditt egon defeats white's sarink hendrik in 82 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be2 O-O 6. O-O c6 7. Re1 Nbd7 8. a4 e5 9. h3 Re8 10. dxe5 dxe5 11. a5 Qc7 12. Bc4 Nf8 13. Ng5 Re7 14. Be3 h6 15. Nf3 Be6 16. Qe2 Nh5 17. Red1 Nf4 18. Qf1 g5 19. Nh2 Rd7 20. Rxd7 Qxd7 21. b4 Nxg2 22. Bxe6 Nxe3 23. Bxd7 Nxf1 24. Bxc6 bxc6 25. Nxf1 Ne6 26. Rd1 Nd4 27. Ne3 Rb8 28. Na2 c5 29. Nd5 cxb4 30. Naxb4 Bf8 31. Nd3 Nc6 32. c4 Rb3 33. Kg2 Kg7 34. a6 Ra3 35. Nc7 Rc3 36. c5 Ra3 37. Kf1 Kg6 38. Ke2 Nd4+ 39. Kd2 f6 40. Rb1 h5 41. Rb7 Bh6 |
| ECO B06 in 1982 play it! ditt egon defeats white's gerbert philipp in 60 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 c6 5. Qe2 b5 6. Nxb5 d5 7. Bb3 dxe4 8. Bf4 cxb5 9. Qxe4 Nc6 10. Qxc6+ Bd7 11. Qd5 e6 12. Qe4 Ne7 13. Nf3 O-O 14. Ne5 a5 15. c3 a4 16. Bc2 a3 17. b3 Rc8 18. Bd2 Bc6 19. Nxc6 Nxc6 20. b4 e5 21. O-O exd4 22. Rad1 Re8 23. Qf3 Qh4 24. Bb3 Ne5 25. Qd5 dxc3 26. f4 Red8 27. Qb7 Ng4 28. h3 Bd4+ 29. Kh1 Qg3 30. Qxf7+ Kh8 |
| ECO B06 in 1990 play it! ditt egon defeats white's kummerow heiko in 60 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 Nc6 9. Nb5 O-O 10. Be3 Qh5 11. c3 a6 12. Nbd4 Ng4 13. Nxc6 bxc6 14. Bd4 Bh6 15. f5 e5 16. fxe6 fxe6 17. e5 c5 18. Bg1 Bb7 19. exd6 Bxf3 20. gxf3 Ne5 21. Be4 Rad8 22. Rd1 Rxf3 23. Bxf3 Nxf3+ 24. Kf1 Rf8 25. Qxe6+ Kh8 26. Bf2 Ne5 27. Ke1 Rxf2 28. Kxf2 Qf3+ 29. Ke1 Qxh1+ 30. Ke2 Qg2+ |
| ECO B06 in 1984 play it! ditt egon defeats white's brumm carsten in 38 moves | 1. e4 g6 2. c4 Bg7 3. Nc3 c5 4. g3 Nc6 5. Bg2 d6 6. Nge2 h5 7. h3 e5 8. f4 Nh6 9. d3 f5 10. Be3 h4 11. O-O hxg3 12. b4 Qh4 13. Nb5 O-O 14. bxc5 fxe4 15. dxe4 Bxh3 16. Bxh3 Qxh3 17. Rf3 exf4 18. Nxf4 Qh2+ 19. Kf1 Ne5 |
| ECO B06 in 1989 play it! ditt egon defeats white's sievers stefan in 80 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 c6 6. a4 a5 7. Be3 Na6 8. Be2 O-O 9. O-O Qc7 10. Nd2 e5 11. dxe5 dxe5 12. Nc4 Rd8 13. Qe1 Nd7 14. f3 Bf8 15. f4 Bc5 16. f5 f6 17. fxg6 hxg6 18. Qh4 Bxe3+ 19. Nxe3 Kg7 20. Rf3 Rf8 21. Raf1 Qd6 22. Rd1 Qc5 23. Kh2 Nb6 24. Nf5+ Bxf5 25. exf5 Rh8 26. Qg4 Rh6 27. fxg6 Rxg6 28. Qe6 Rf8 29. Ne4 Qxc2 30. Ng3 Nc5 31. Nf5+ Kh8 32. Qe7 Rxg2+ 33. Kh1 Rh2+ 34. Kxh2 Qxe2+ 35. Kg1 Qxd1+ 36. Kf2 Ne4+ 37. Kg2 Qe2+ 38. Kg1 Rg8+ 39. Ng3 Rxg3+ 40. Rxg3 Qf2+ |
| ECO A40 in 1994 play it! ditt egon defeats white's kelchner hans in 118 moves | 1. d4 g6 2. Nf3 Bg7 3. Bf4 d6 4. c3 Nd7 5. e4 Ngf6 6. Nbd2 O-O 7. h3 c6 8. g4 b5 9. a4 Bb7 10. Bg2 e5 11. dxe5 dxe5 12. Be3 a6 13. O-O Qe7 14. Qe2 Nc5 15. Bxc5 Qxc5 16. Nb3 Qe7 17. Na5 Rfe8 18. Rfd1 Qc7 19. Nxb7 Qxb7 20. Nh2 Nd7 21. Nf1 Nc5 22. axb5 axb5 23. Qc2 Ne6 24. Ng3 Bf8 25. b4 Be7 26. Rab1 Bh4 27. Rd6 Qc7 28. Rdd1 Qb6 29. Kh2 Rad8 30. Rb2 Kg7 31. Bf1 Rxd1 32. Qxd1 Rd8 33. Qf3 Nf4 34. Nh1 Qa7 35. Rb1 Qa2 36. Re1 Rd2 37. Kg1 Qb2 38. Ng3 Rc2 39. Ne2 Nxe2+ 40. Rxe2 Qxc3 41. Qxc3 Rxc3 42. Rd2 Be7 43. Rb2 Kf8 44. Kg2 Ke8 45. Be2 Rc1 46. Kg3 Ra1 47. h4 Ra4 48. Rc2 Kd7 49. f4 Rxb4 50. fxe5 Rb1 51. g5 b4 52. Bc4 b3 53. Rd2+ Ke8 54. Bd3 Rc1 55. Kf4 Ba3 56. e6 fxe6 57. Ke5 Ke7 58. h5 Rc5+ 59. Kd4 e5+ |
| ECO A40 in 1989 play it! ditt egon defeats white's markmann u in 104 moves | 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nce7 7. g4 f5 8. gxf5 gxf5 9. Qh5+ Kf8 10. Bh3 Nf6 11. Qf3 f4 12. Bd2 a6 13. Bxc8 Qxc8 14. Qh3 Rg8 15. Qxc8+ Rxc8 16. f3 Nd7 17. Nh3 Bf6 18. Rg1 Rxg1+ 19. Nxg1 Kf7 20. Na4 Rg8 21. Kf1 Ng6 22. Rc1 b6 23. b4 Nh4 24. Be1 Ng2 25. Bf2 Bh4 26. Bxh4 Nxh4 27. Rc2 Ke7 28. c5 bxc5 29. bxc5 Rb8 30. cxd6+ cxd6 31. Rc6 Rb1+ 32. Kf2 Ra1 33. Nc3 a5 34. Ra6 Rc1 35. Nce2 Rc5 36. Ke1 Ng2+ 37. Kd2 Ne3 38. Nc3 Nf1+ 39. Kd3 Nxh2 40. Ra7 Nf1 41. Rb7 Kd8 42. Rb1 Ne3 43. Nge2 Rc7 44. Rg1 Rb7 45. Na4 Nf6 46. Nac3 Rb4 47. Rg7 Nd7 48. Nc1 Nc5+ 49. Kd2 Rb2+ 50. Ke1 Rh2 51. Nb5 Rh1+ 52. Ke2 Rxc1 |
| ECO A40 in 1998 play it! ditt egon defeats white's nobbe robert in 84 moves | 1. d4 g6 2. Nc3 Bg7 3. e4 d6 4. Be2 Nf6 5. Be3 O-O 6. f4 c6 7. Nf3 Nbd7 8. e5 Ng4 9. Bg1 f6 10. exd6 exd6 11. Qd2 d5 12. O-O-O Re8 13. h3 Nh6 14. g4 Nf7 15. Bd3 Nf8 16. Be3 b5 17. Kb1 Nd6 18. Qf2 Qa5 19. f5 b4 20. Ne2 Ba6 21. Nc1 Bxd3 22. cxd3 Nb5 23. Nb3 Qc7 24. g5 a5 25. gxf6 Bxf6 26. Rhg1 a4 27. fxg6 hxg6 28. Bh6 axb3 29. Bxf8 bxa2+ 30. Ka1 Rxf8 31. Rxg6+ Bg7 32. Rxg7+ Qxg7 33. Rg1 Ra7 34. Rxg7+ Rxg7 35. Kxa2 b3+ 36. Kxb3 Rxf3 37. Qh4 Rxd3+ 38. Kc2 Rf3 39. Qd8+ Rf8 40. Qb6 Rg2+ 41. Kb1 Rf1+ 42. Ka2 Nc3+ |