| ECO A00 in 2002 play it! mittelberger pet defeats white's kroell johannes in 92 moves | 1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 Nf6 5. Qb3 cxd5 6. Qxb7 Qc8 7. Qxc8+ Bxc8 8. Nc3 e6 9. d3 Na6 10. Bf4 Bd7 11. Nf3 Nh5 12. Bd2 Bd6 13. Nd4 Rb8 14. O-O-O Ke7 15. e4 Nf4 16. Bxf4 Bxf4+ 17. Kb1 Be5 18. Nce2 Rb4 19. Nb3 dxe4 20. d4 Bd6 21. Bxe4 Ba4 22. Nec1 Rhb8 23. h4 h5 24. Rhe1 R4b6 25. Rd3 Nb4 26. Rf3 Bc6 27. Bxc6 Rxc6 28. Rc3 Rbc8 29. Ne2 Nd5 30. Rxc6 Rxc6 31. Na5 Rc7 32. Rc1 Kd7 33. Rxc7+ Kxc7 34. Nc4 Be7 35. Ne5 Bxh4 36. Ng3 Bxg3 37. fxg3 f6 38. Nf3 Ne3 39. Ng1 Kd6 40. Kc1 Kd5 41. Ne2 g5 42. Kd2 Ke4 43. b4 Kf3 44. d5 Nxd5 45. b5 e5 46. a4 Nb6 |
| ECO A04 in 1988 play it! mittelberger pet defeats white's niedermayr horst in 62 moves | 1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. d3 Ne7 5. e4 c5 6. O-O O-O 7. Nbd2 Nbc6 8. c3 d6 9. Ng5 h6 10. Nh3 Be6 11. f4 Qd7 12. Nf2 Rad8 13. Nf3 exf4 14. Bxf4 d5 15. Qe2 g5 16. Bd2 dxe4 17. dxe4 Ng6 18. Rad1 Qc7 19. a3 Nce5 20. Rfe1 Bc4 21. Qe3 Bb3 22. Rb1 Qd6 23. Bc1 Rfe8 24. Nd2 Bc2 25. Ra1 f5 26. Bf1 f4 27. gxf4 Nxf4 28. Nc4 Qe7 29. Qg3 Bb3 30. Nxe5 Bxe5 31. Ng4 Ne2+ |
| ECO A04 in 1999 play it! mittelberger pet defeats white's gasser klaus in 110 moves | 1. Nf3 d6 2. d4 g6 3. g3 Bg7 4. Bg2 Nf6 5. O-O O-O 6. c4 Nc6 7. Nc3 a6 8. Re1 Rb8 9. e4 b5 10. b3 bxc4 11. bxc4 e5 12. Bg5 Nxd4 13. Nxd4 exd4 14. Qxd4 h6 15. Bxf6 Bxf6 16. Qd3 Be6 17. Rab1 Bxc3 18. Qxc3 Qg5 19. Qd4 Qa5 20. Ra1 Rb4 21. Bf1 Qe5 22. Qxe5 dxe5 23. c5 a5 24. a3 Rb2 25. Rab1 Rfb8 26. Rxb2 Rxb2 27. c6 Kf8 28. Rc1 Rb3 29. Bc4 Bxc4 30. Rxc4 Rb5 31. a4 Rb4 32. Rc5 Rxe4 33. Rxa5 Rc4 34. Rxe5 Rxa4 35. Rd5 Rc4 36. Rd8+ Kg7 37. Kg2 h5 38. h4 Rxc6 39. Kf3 Kf6 40. Kf4 Rc4+ 41. Ke3 Ke7 42. Rc8 Rc6 43. Kd4 Kd7 44. Rf8 Rf6 45. Ke3 c5 46. Ke2 Kc6 47. Rc8+ Kd5 48. Rc7 Kd4 49. Rd7+ Kc3 50. Rc7 c4 51. Ke3 Re6+ 52. Kf4 f5 53. f3 Kd3 54. g4 fxg4 55. fxg4 Re4+ |
| ECO A04 in 2000 play it! mittelberger pet defeats white's kastner walter in 54 moves | 1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e3 O-O 6. Be2 Nbd7 7. O-O e5 8. Qc2 c6 9. Rd1 Re8 10. b4 Qe7 11. a4 exd4 12. exd4 d5 13. b5 Nb6 14. Ba3 Qd8 15. Ne5 Bf5 16. Qa2 Rc8 17. Bb4 dxc4 18. bxc6 bxc6 19. Bc5 Nfd5 20. Nxd5 cxd5 21. f4 Nd7 22. Bxa7 Qa5 23. Nxd7 Bxd7 24. Bc5 Rxc5 25. dxc5 Qxc5+ 26. Kh1 Bxa1 27. Qxa1 Rxe2 |
| ECO A16 in 1999 play it! mittelberger pet defeats white's laske erich in 70 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. h4 h5 9. Bg5 Qb6 10. Qd2 cxd5 11. Bxf6 Bxf6 12. Nxd5 Qd8 13. Nxf6+ Qxf6 14. O-O-O Nc6 15. b3 Be6 16. Kb1 a6 17. Qg5 Qxg5 18. hxg5 Rfd8 19. Be2 b5 20. Rc1 Nd4 21. Bd3 bxc4 22. Bxc4 Bxc4 23. Rxc4 Rab8 24. f4 Ne6 25. f5 Nxg5 26. Rf1 Rd7 27. Rc6 h4 28. Ne2 Nxe4 29. Rh1 g5 30. Rxa6 Kg7 31. Ra4 d5 32. Rd1 d4 33. Rd3 Nc5 34. f6+ Kg6 35. Ra3 Nxd3 |
| ECO A10 in 1995 play it! mittelberger pet defeats white's beilfuss wilfrie in 78 moves | 1. c4 d6 2. d4 g6 3. e4 Nf6 4. Nc3 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Qc2 c6 9. Rd1 Re8 10. d5 c5 11. g3 Nf8 12. Nh4 Bg4 13. Bxg4 Nxg4 14. h3 Nh6 15. a3 Nd7 16. Be3 f6 17. Qd2 Nf7 18. Rdc1 Nb6 19. Nd1 Qd7 20. Kh2 f5 21. f3 f4 22. gxf4 exf4 23. Bxf4 Ne5 24. Qe2 Rf8 25. Bg3 Qa4 26. Ne3 Rae8 27. Rc2 Qb3 28. Rf1 Na4 29. Ng4 b5 30. Bxe5 Rxe5 31. Ng2 Re7 32. N2e3 h5 33. Nf2 Bxb2 34. Nd3 Bd4 35. Rf2 Nc3 36. Qd2 Nxe4 37. fxe4 Rxf2+ 38. Nxf2 Qxe3 39. Qxe3 Bxe3 |
| ECO A10 in 1988 play it! mittelberger pet defeats white's ulmer j in 41 moves | 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. Be2 O-O 6. Be3 Nbd7 7. f4 e5 8. dxe5 dxe5 9. f5 b6 10. g4 Bb7 11. Bf3 gxf5 12. exf5 Nxg4 13. Bxb7 Nxe3 14. Qe2 Qh4+ 15. Kd2 Rad8 16. Kc1 Nc5 17. Bf3 Bh6 18. Kb1 Qg5 19. a3 Nb3 20. Ka2 Nxa1 21. Kxa1 |
| ECO A16 in 1995 play it! mittelberger pet defeats white's schallert martin in 58 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e3 d6 6. Nge2 c6 7. O-O e5 8. h4 Be6 9. d3 d5 10. cxd5 Nxd5 11. Rb1 a6 12. e4 Nc7 13. a4 Nd7 14. Be3 f5 15. f4 Qe8 16. Qc2 fxe4 17. dxe4 exf4 18. Nxf4 Bc4 19. Rfd1 b5 20. a5 Ne6 21. Bh3 Ne5 22. Nce2 Ng5 23. Bg2 Ngf3+ 24. Kh1 g5 25. Nh3 Qh5 26. Nd4 Nh2 27. Kxh2 Ng4+ 28. Kg1 Nxe3 29. Qd2 Nxd1 |
| ECO A16 in 1994 play it! mittelberger pet defeats white's barthelmann benn in 110 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. d4 Nbd7 8. e4 e5 9. d5 Nc5 10. Qe2 a5 11. dxc6 bxc6 12. Rd1 Qc7 13. b3 Rd8 14. Ba3 Ne6 15. Qd2 Ne8 16. Rac1 Bb7 17. Qe3 c5 18. Nb5 Qc6 19. Ne1 N8c7 20. Nc3 Nd4 21. Nd5 Nxd5 22. cxd5 Qb6 23. Nd3 Rdc8 24. Nb2 Ba6 25. Bf1 Bxf1 26. Rxf1 f5 27. Nc4 Qa6 28. Kg2 fxe4 29. Qxe4 a4 30. bxa4 Qxa4 31. Rc3 Ra6 32. Rb1 Qe8 33. g4 Qe7 34. f4 Re8 35. Re1 Qh4 36. Rg3 Nb5 37. f5 Ra4 38. fxg6 Nxa3 39. gxh7+ Kh8 40. Qg6 Rf8 41. Nb6 Raf4 42. Re2 Nc4 43. Nxc4 Rxc4 44. Qxd6 Rxg4 45. Qxc5 Rxg3+ 46. hxg3 Qd4 47. Qc6 Rd8 48. Qg6 Qxd5+ 49. Kh3 Qd3 50. Qxd3 Rxd3 51. Kg4 Kxh7 52. Re4 Ra3 53. Re2 Kg6 54. Rc2 Ra4+ 55. Kf3 Kf5 |
| ECO A10 in 1996 play it! mittelberger pet defeats white's reich thomas in 86 moves | 1. c4 d6 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e4 O-O 6. Nge2 c6 7. O-O e5 8. d3 a5 9. b3 Na6 10. Be3 Be6 11. f4 Qd7 12. g4 exf4 13. Nxf4 Nc7 14. g5 Nfe8 15. Rb1 f6 16. Nxe6 Nxe6 17. h4 N8c7 18. Qg4 Qe7 19. Ne2 fxg5 20. Rxf8+ Rxf8 21. hxg5 Na6 22. d4 Nb4 23. d5 Nc2 24. Bh3 Ned4 25. Nxd4 Bxd4 26. Qe6+ Qxe6 27. Bxe6+ Kg7 28. Bxd4+ Nxd4 29. b4 axb4 30. Rxb4 Nf3+ 31. Kg2 Nxg5 32. Rxb7+ Kf6 33. Bd7 c5 34. Bc6 Ke5 35. a4 Nxe4 36. Rb2 Rf7 37. Bb7 Kd4 38. a5 Kc3 39. Rb1 Rf2+ 40. Kh3 Ra2 41. Rc1+ Kd4 42. a6 h6 43. Kg4 g5 |
| ECO A00 in 2000 play it! mittelberger pet defeats white's herbst daniel in 90 moves | 1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Nf3 Nc6 5. O-O Be7 6. e4 O-O 7. exd5 Nxd5 8. Re1 Bf6 9. Nbd2 Re8 10. Ne4 Be7 11. Nc3 Nxc3 12. bxc3 Bd6 13. Rb1 h6 14. Nd2 Na5 15. Rb5 c6 16. Rb1 Rb8 17. Ne4 Bc7 18. Be3 b6 19. c4 f5 20. Nc3 Qf6 21. Bd2 Bd7 22. Ne2 Nb7 23. Bc3 Qf7 24. Nc1 Rbd8 25. f3 Nc5 26. Nb3 Na4 27. Ba1 b5 28. cxb5 cxb5 29. Kh1 Bc6 30. Qe2 b4 31. Qd2 a5 32. Re2 e4 33. fxe4 Bxe4 34. Bxe4 fxe4 35. d4 Bb6 36. Qf4 Qc4 37. Rbe1 Nc3 38. Bxc3 bxc3 39. Rxe4 Rf8 40. Qc1 a4 41. Nc5 Bxc5 42. dxc5 Rf1+ 43. Rxf1 Qxe4+ 44. Kg1 Rd2 45. Rf2 Qd4 |
| ECO A00 in 2002 play it! mittelberger pet defeats white's kroell johannes in 81 moves | 1. Nc3 Nf6 2. Nf3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. O-O c6 7. h3 Nbd7 8. Bg5 Qc7 9. Qd2 b5 10. a3 a6 11. Rad1 Bb7 12. Rfe1 c5 13. Nd5 Bxd5 14. exd5 c4 15. Nh2 Nxd5 16. Bf3 N7b6 17. Qa5 Ra7 18. a4 e6 19. axb5 axb5 20. Qxb5 Rb8 21. Be2 Na4 22. Qxc4 Qxc4 23. Bxc4 Nxb2 24. Rb1 Nc3 25. Nf3 Nxb1 26. Rxb1 Rab7 27. Bb3 Nc4 28. Be3 d5 29. Kf1 f6 30. Ke2 Kf7 31. Nd2 Nxd2 32. Bxd2 Bf8 33. Kd3 Bd6 34. Re1 Bb4 35. c3 Bd6 36. Bc2 g5 37. g3 h6 38. Bc1 Ra7 39. Re3 Ba3 40. Bd2 Rc7 41. Ke2 |
| ECO B07 in 2002 play it! mittelberger pet defeats white's petschar kurt in 58 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. Bd3 Nbd7 7. f4 Bg7 8. Nf3 O-O 9. O-O b4 10. Nd1 a5 11. a3 Rb8 12. axb4 axb4 13. Ne3 d5 14. exd5 cxd5 15. Qe1 e6 16. Ng4 Qb6 17. Nh6+ Kh8 18. c3 bxc3 19. bxc3 Ng8 20. Qh4 f5 21. Nxg8 Kxg8 22. Bh6 Bxh6 23. Qxh6 Qc7 24. Ng5 Nf6 25. Rae1 Qxc3 26. Rd1 Qxd4+ 27. Kh1 Qxf4 28. g3 Qd6 29. Rc1 Bd7 |
| ECO B07 in 1995 play it! mittelberger pet defeats white's juen leopold by checkmate in 52 moves | 1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f4 Bg7 5. Nf3 c5 6. d5 c4 7. Bxc4 Nxe4 8. Bb5+ Nd7 9. Qe2 Nf6 10. c4 O-O 11. O-O Nb6 12. Nc3 a6 13. Ba4 Nxa4 14. Nxa4 b5 15. Nc3 bxc4 16. Qxc4 a5 17. Re1 e6 18. Nd4 Ba6 19. Qc6 Nxd5 20. Nxe6 fxe6 21. Rxe6 Nxc3 22. bxc3 Qc8 23. Qxd6 Qxc3 24. Rb1 Rfd8 25. Qe7 Rd1+ 26. Kf2 Rf1# |
| ECO B09 in 1998 play it! mittelberger pet defeats white's scharf leopold in 72 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Bd7 7. Bd3 cxd4 8. Nxd4 O-O 9. Nf3 Nc6 10. O-O Ng4 11. Qe2 Qa5 12. Nd1 Qh5 13. c3 f5 14. e5 dxe5 15. h3 exf4 16. Nh2 Nf6 17. Qc2 g5 18. Bxf5 Rad8 19. Nf2 e5 20. Bxd7 Rxd7 21. b3 Rfd8 22. Bb2 Rd2 23. Qb1 e4 24. Nxe4 Nxe4 25. Qxe4 Rxb2 26. Nf3 h6 27. Rfd1 Re8 28. Qd3 Rbe2 29. Re1 Rxe1+ 30. Nxe1 Qe2 31. Qd5+ Qe6 32. c4 Qxd5 33. cxd5 Bxa1 34. dxc6 Rxe1+ 35. Kf2 Re7 36. cxb7 Rxb7 |
| ECO B07 in 1995 play it! mittelberger pet defeats white's atlas dimitry by checkmate in 89 moves | 1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Ne2 Bg7 5. O-O O-O 6. Nd2 Nbd7 7. f4 e5 8. c3 exd4 9. cxd4 c5 10. e5 Ng4 11. Ne4 cxd4 12. h3 d5 13. hxg4 dxe4 14. Bxe4 Nc5 15. Bf3 d3 16. Nc3 Qd4+ 17. Kh1 Rd8 18. Bd2 Rb8 19. a3 Be6 20. b4 Nb3 21. Rb1 Nxd2 22. Qxd2 f6 23. Rbe1 fxe5 24. fxe5 Rbc8 25. Nb5 Qc4 26. Nd6 Qc3 27. Qg5 d2 28. Re3 Qc1 29. Bd1 Rf8 30. Rg1 Rc3 31. Qe7 Bd5 32. Ne8 Bf7 33. Rxc3 Qxc3 34. Nf6+ Bxf6 35. exf6 Qg3 36. Rf1 Re8 37. Qxb7 Qe1 38. Kg1 Qe3+ 39. Kh2 Qh6+ 40. Kg3 Re1 41. Qb8+ Re8 42. Qxa7 g5 43. Bb3 Qh4+ 44. Kf3 Bxb3 45. Qg7# |
| ECO B07 in 1992 play it! mittelberger pet defeats white's steiner bruno by checkmate in 50 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qe2 Bg7 6. O-O-O O-O 7. f4 b5 8. e5 b4 9. exf6 exf6 10. Ne4 fxg5 11. Nxg5 c5 12. Qf2 Nc6 13. d5 Na5 14. Qh4 h6 15. N5f3 Qe8 16. Kb1 Qa4 17. g4 c4 18. f5 Bxb2 19. Kxb2 c3+ 20. Ka1 Qxc2 21. Rb1 b3 22. axb3 Nxb3+ 23. Rxb3 Qxb3 24. Qf2 c2 25. Qxa7 c1=Q# |
| ECO B09 in 1998 play it! mittelberger pet defeats white's gruszka herbert in 132 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. e5 Nh5 9. g4 Nxf4 10. Bxf4 cxd4 11. e6 fxe6 12. Ne4 e5 13. Bd2 d5 14. Neg5 Qb6 15. O-O e4 16. Nh4 Bf6 17. Kh1 e3 18. Bxe3 dxe3 19. Qxd5 O-O-O 20. Nhf3 Ne5 21. Qe4 Nxf3 22. Nxf3 g5 23. Rae1 Qc6 24. Qxc6+ bxc6 25. Rxe3 h5 26. Re4 Bxb2 27. Rc4 hxg4 28. Rxg4 Bf6 29. Rfg1 Rh5 30. Ra4 Rd7 31. Rgg4 c5 32. Rgc4 Rc7 33. Kg2 Kb7 34. Kg3 Kb6 35. Kg4 Rh8 36. Re4 Kb5 37. Ra3 c4 38. Rae3 a5 39. Re2 Rc5 40. R4e3 c3 41. Re4 Rd8 42. a4+ Kc6 43. Ne1 Rd1 44. Nf3 Kd5 45. Kh5 Kd6 46. Kg4 Rb1 47. Nd4 Rb4 48. Nf5+ Kd5 49. Kf3 Rxe4 50. Rxe4 Rc7 51. Ne3+ Kd6 52. Nc4+ Kd5 53. Nxa5 Rc8 54. Rb4 Rh8 55. Kg2 e5 56. Nb3 e4 57. Rb5+ Kd6 58. a5 Be5 59. h3 g4 60. hxg4 Rh2+ 61. Kf1 e3 62. Nc1 Rh1+ 63. Ke2 Rxc1 64. Kxe3 Rxc2 65. Rb1 Ra2 66. Kd3 Rxa5 |
| ECO B08 in 1998 play it! mittelberger pet defeats white's dorner guenther in 116 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. g3 O-O 6. Bg2 a6 7. a4 b6 8. O-O Bb7 9. Re1 c5 10. d5 Nbd7 11. Nd2 Ne8 12. f4 Nc7 13. Nc4 b5 14. Na5 b4 15. Nxb7 Qb8 16. Nxc5 Nxc5 17. Ne2 Qb6 18. Kh1 Rac8 19. a5 Qb7 20. Nd4 Nb5 21. Nc6 Na7 22. Nxa7 Qxa7 23. e5 Rc7 24. Bd2 Qb7 25. Re3 Rfc8 26. Qe1 Nd7 27. Ra4 Rxc2 28. Rxb4 Qc7 29. Bc3 dxe5 30. fxe5 Nxe5 31. Be4 Rxc3 32. Rxc3 Qd7 33. Rxc8+ Qxc8 34. Kg2 Bf6 35. h3 h5 36. Qc3 Qd8 37. Qc5 Kh7 38. Rb7 h4 39. gxh4 Qf8 40. h5 Qh6 41. hxg6+ Nxg6 42. Qc2 Qg5+ 43. Kh1 Bd4 44. Bg2 Be5 45. Rb3 Qf4 46. Kg1 Qa4 47. Be4 Qxa5 48. Qe2 Qc7 49. Qc2 Qa5 50. Kg2 Qe1 51. Rf3 Kg7 52. Bxg6 fxg6 53. Qd3 Bxb2 54. Rg3 Kf8 55. Rxg6 Qe5 56. Rxa6 Qg5+ 57. Kf1 Bf6 58. Ra8+ Kg7 |
| ECO B07 in 1999 play it! mittelberger pet defeats white's doskocil klaus by checkmate in 66 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 b5 6. Qd2 Nbd7 7. h4 h5 8. O-O-O b4 9. Nce2 Qa5 10. Kb1 Ba6 11. Nh3 Bg7 12. Nf2 c5 13. g4 cxd4 14. Nxd4 Bxf1 15. Rdxf1 Ne5 16. Qe2 Rc8 17. Nb3 Qc7 18. g5 Nfd7 19. Bd4 O-O 20. f4 Nc4 21. Bxg7 Kxg7 22. f5 a5 23. Nd3 a4 24. Nd4 Qb6 25. Qf2 Kh7 26. Nf4 Qc5 27. fxg6+ fxg6 28. Nde6 Qe5 29. Nxf8+ Rxf8 30. c3 bxc3 31. Nd3 Qxe4 32. Qxf8 Qxd3+ 33. Ka1 cxb2# |