| ECO A04 in 2000 play it! niedermayr horst defeats white's riegler stefan in 50 moves | 1. Nf3 d6 2. g3 f5 3. b3 Nf6 4. Bb2 e5 5. d3 Be7 6. Bg2 O-O 7. c4 c6 8. O-O Qe8 9. c5 Nbd7 10. cxd6 Bxd6 11. e3 a5 12. Nbd2 Nb6 13. Nc4 Nxc4 14. bxc4 a4 15. c5 Bc7 16. Ba3 Qh5 17. Qc2 Be6 18. Rab1 Bd5 19. Nd2 Bxg2 20. Kxg2 f4 21. Qd1 Qg6 22. Nf3 fxe3 23. fxe3 Nd5 24. Qd2 Ba5 25. Qc1 Qxd3 |
| ECO A04 in 1986 play it! niedermayr horst defeats white's behrmann j in 58 moves | 1. Nf3 Nc6 2. d4 e6 3. c4 d5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 O-O 7. Be2 h6 8. Bh4 Ne4 9. Bxe7 Qxe7 10. Nxe4 dxe4 11. Nd2 f5 12. O-O b6 13. f4 Bb7 14. a3 a5 15. Rc1 Rfd8 16. Qa4 Qf6 17. c5 Ne7 18. cxb6 cxb6 19. Rc7 Rab8 20. Bc4 b5 21. Qxb5 Bd5 22. Qxa5 Rxb2 23. Rb1 Rxb1+ 24. Nxb1 Bxc4 25. Rxc4 Nd5 26. Qe1 Rb8 27. Nc3 Rb2 28. Qc1 Qh4 29. Kh1 Rc2 |
| ECO A10 in 1997 play it! niedermayr horst defeats white's boehsmueller rai by checkmate in 70 moves | 1. c4 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 d6 6. Nf3 O-O 7. O-O Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. Qb3 Kh8 11. Rd1 h6 12. Bd2 g5 13. Rac1 e4 14. c5 Ng4 15. Be1 a6 16. Na4 Qe8 17. f3 Ne3 18. Qxe3 Qxa4 19. Bc3 e5 20. f4 exf4 21. gxf4 g4 22. Bxg7+ Kxg7 23. Qc3+ Kh7 24. c6 Rf7 25. Qe5 Qa5 26. a3 b5 27. Qe8 Qb6+ 28. Kh1 Rg7 29. d6 cxd6 30. Rxd6 Qe3 31. Rcd1 Qxe2 32. Rxh6+ Kxh6 33. Qh8+ Kg6 34. Rd6+ Kf7 35. Bxe4 Qf1# |
| ECO A00 in 1991 play it! niedermayr horst defeats white's negele anton in 76 moves | 1. g3 d5 2. Nf3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Be7 6. Bg2 Nc6 7. O-O O-O 8. e3 b6 9. Qe2 Bb7 10. d4 Rc8 11. Rd1 Qc7 12. cxd5 Nxd5 13. dxc5 Bxc5 14. Nbd2 Rfd8 15. Ne4 Ncb4 16. Nxc5 bxc5 17. Ne5 Nf6 18. Bxb7 Qxb7 19. Nc4 Qc6 20. Rxd8+ Rxd8 21. Rd1 Rxd1+ 22. Qxd1 Qd5 23. Qe2 Ne4 24. f3 Nf6 25. e4 Qd8 26. Bc3 h5 27. Ne5 Qb6 28. Kg2 Nc6 29. Nxc6 Qxc6 30. Qc4 Nd7 31. Bd4 Qd6 32. Be3 f6 33. a3 Ne5 34. Qc2 c4 35. f4 Ng4 36. Bxa7 Qxa3 37. Qxc4 Qa2+ 38. Kf1 Nxh2+ |
| ECO B34 in 1997 play it! niedermayr horst defeats white's schmidt juergen by checkmate in 82 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 O-O 8. O-O d5 9. exd5 Nb4 10. Bf3 Nbxd5 11. Nxd5 Nxd5 12. Bg5 h6 13. Bh4 g5 14. Bg3 Nf4 15. c3 a6 16. Bxf4 gxf4 17. Qc2 Qa5 18. b4 Qg5 19. Rad1 e5 20. Nb3 Bf5 21. Be4 Bh3 22. Kh1 Bc8 23. Nc5 Rb8 24. Nd7 Bxd7 25. Rxd7 b6 26. Bd5 Rbd8 27. Rxd8 Rxd8 28. Rd1 Bf6 29. c4 Kg7 30. c5 bxc5 31. bxc5 Qg6 32. Qc4 Be7 33. c6 Qd6 34. g3 Qb4 35. Qe2 Qc3 36. gxf4 exf4 37. Rd3 Qc1+ 38. Rd1 Qc3 39. Qh5 Rf8 40. Rg1+ Bg5 41. h4 Qh3# |
| ECO B22 in 2000 play it! niedermayr horst defeats white's wachweger albrec in 74 moves | 1. e4 c5 2. c3 d6 3. d4 Nf6 4. dxc5 Nc6 5. Bb5 Nxe4 6. cxd6 Nxd6 7. Bxc6+ bxc6 8. Nf3 Ba6 9. Bf4 Qd7 10. Qd4 f6 11. Bxd6 exd6 12. Nbd2 Be7 13. O-O-O O-O 14. Rhe1 Rab8 15. b3 d5 16. Nb1 Qc7 17. h4 Bd6 18. g3 Rfe8 19. h5 Be2 20. Rxe2 Rxe2 21. Nbd2 Be5 22. Nxe5 fxe5 23. Qg4 Rxf2 24. Qe6+ Qf7 25. Qxe5 Re8 26. Qd6 Qf6 27. Qc5 h6 28. b4 Ree2 29. Kc2 Qf5+ 30. Kc1 Qd3 31. Qxc6 Re3 32. Kb2 Rxd2+ 33. Rxd2 Qxd2+ 34. Kb3 Qd1+ 35. Ka3 Qxh5 36. Qa8+ Kh7 37. Qxa7 Rxc3+ |
| ECO B42 in 1968 play it! niedermayr horst defeats white's thorsteinsson bj in 138 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. O-O Nc6 8. Qe2 d6 9. Be3 Bxe3 10. Qxe3 Nf6 11. Nc3 O-O 12. Rad1 Qc7 13. Qg3 b5 14. a3 Bb7 15. f4 h6 16. Kh1 Ne7 17. Nd4 Rad8 18. e5 dxe5 19. fxe5 Nd7 20. Rf4 Qxe5 21. Re1 Qd6 22. Nf3 Nf6 23. Qh4 Nfd5 24. Nxd5 Bxd5 25. Ne5 f5 26. Qh5 Rf6 27. Rf2 Rdf8 28. Rfe2 Kh7 29. Ng4 Rg6 30. Ne5 Rg5 31. Qh4 Nc6 32. Nf3 Bxf3 33. gxf3 e5 34. Rg2 Rxg2 35. Kxg2 g6 36. Qg3 Re8 37. Kh1 Nd4 38. Rg1 Qf6 39. Qf2 Qc6 40. Rg3 Ne6 41. Qe3 Qc5 42. Qd2 Rd8 43. Rg1 Nf4 44. Re1 Kg7 45. Re3 Kf6 46. Re1 Rd6 47. Re3 Qd4 48. Qc1 g5 49. b3 Qc3 50. Bf1 Qd2 51. Qxd2 Rxd2 52. c4 bxc4 53. bxc4 h5 54. Rb3 g4 55. fxg4 hxg4 56. Rb1 Rc2 57. Kg1 e4 58. c5 a5 59. Rb6+ Kg5 60. Rb3 Rxc5 61. Rb5 Nh3+ 62. Kg2 Rc2+ 63. Kh1 e3 64. Re5 Kf4 65. Re8 Ng5 66. a4 Nf3 67. Rh8 e2 68. Bxe2 Rxe2 69. Rh3 Rxh2+ |
| ECO B20 in 1993 play it! niedermayr horst defeats white's denk adolf in 104 moves | 1. e4 c5 2. g3 g6 3. Bg2 Bg7 4. Ne2 Nc6 5. O-O e6 6. c3 Nge7 7. d3 O-O 8. Be3 b6 9. Qd2 Ba6 10. f4 Rc8 11. Na3 d5 12. e5 Nf5 13. Bf2 h5 14. Rfd1 Qe7 15. Nc2 Rfd8 16. Ne1 Rd7 17. Rac1 Rdc7 18. Nf3 Bh6 19. h3 d4 20. c4 Bg7 21. g4 hxg4 22. hxg4 Nh6 23. Nh2 Bb7 24. Qe1 g5 25. Be4 f6 26. exf6 Qxf6 27. Bg3 Rf7 28. Qd2 gxf4 29. Nxf4 Qe7 30. Ng6 Qd8 31. Bf4 Rxf4 32. Qxf4 Nf7 33. Rf1 Ng5 34. Kg2 Rc7 35. Nf3 Nxe4 36. dxe4 d3 37. Ng5 e5 38. Qe3 Nd4 39. Rf5 Bh6 40. Rg1 Nxf5 41. gxf5 Rh7 42. Nf8 Qxf8 43. Nxh7 Kxh7 44. Qf3 Qf6 45. Kh2 d2 46. Rg4 Qd6 47. Rg1 Bf4+ 48. Kg2 Qh6 49. Qd3 Bxe4+ 50. Qxe4 Qh2+ 51. Kf3 Qxg1 52. Qb7+ Qg7 |
| ECO B32 in 1992 play it! niedermayr horst defeats white's schumi manfred in 76 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd3 e5 12. Bg5 Be6 13. Bxf6 gxf6 14. Nd5 Bxd5 15. Qxd5 h5 16. c3 h4 17. b4 Ba7 18. Rfd1 hxg3 19. hxg3 Ke7 20. Rd3 Qb6 21. Rf3 Rac8 22. Qd2 Qc6 23. Rd1 Rcd8 24. Rd3 Qd7 25. Qe2 Qb5 26. Qf3 Rh6 27. R1d2 Qc4 28. Rd5 Bb6 29. a4 Ba7 30. a5 Rd7 31. R2d3 Qa2 32. Rd2 Qc4 33. R2d3 Qa2 34. Rd2 Qc4 35. Qg4 Qxc3 36. Bh3 Rd8 37. Rxd6 Rxd6 38. Rxd6 Qe1+ |
| ECO B95 in 1967 play it! niedermayr horst defeats white's augustin josef in 72 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Be7 8. O-O-O Qc7 9. Qg3 b5 10. Bxb5+ Bd7 11. Bd3 Nc6 12. Nb3 O-O 13. f4 Rfc8 14. Rhe1 Nb4 15. a3 Nxd3+ 16. Qxd3 Bb5 17. Nxb5 axb5 18. Bxf6 Bxf6 19. Re2 d5 20. e5 Be7 21. Qxb5 Rcb8 22. Qd3 Ra4 23. Rf1 Rc4 24. Kd1 g6 25. g4 Qa7 26. g5 Qa4 27. Ref2 Rbc8 28. h4 h5 29. gxh6 Bxh4 30. Rg2 Kh7 31. f5 exf5 32. Rxf5 Qd7 33. Rf3 Re4 34. Re2 Rxe2 35. Qxe2 Rc7 36. Nd4 Qa4 |
| ECO B34 in 1997 play it! niedermayr horst defeats white's fleischmann albe in 101 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c3 Bg7 6. Nc2 Nf6 7. f3 O-O 8. Be2 d5 9. exd5 Nxd5 10. O-O Be6 11. Nba3 a6 12. Nc4 b5 13. N4e3 Qb6 14. Rf2 Nf4 15. Qe1 Rad8 16. Bf1 Nd3 17. Bxd3 Rxd3 18. Nf1 Rfd8 19. Be3 Qc7 20. Rd2 b4 21. Rxd3 Rxd3 22. Nd4 Nxd4 23. cxd4 Bxd4 24. Bxd4 Rxd4 25. Qe3 Qd6 26. Re1 Rd3 27. Qa7 Kg7 28. b3 Qd4+ 29. Qxd4+ Rxd4 30. Kf2 a5 31. Re5 Rd5 32. Re2 Rc5 33. Ne3 Kf6 34. h4 h5 35. g3 Rc1 36. g4 hxg4 37. fxg4 Rc7 38. Kg3 Ra7 39. Rf2+ Kg7 40. Rf4 Rd7 41. Rf2 Rd3 42. Re2 Bxb3 43. axb3 Rxb3 44. Kf4 a4 45. g5 a3 46. Nd5 e6 47. Nf6 Rb2 48. Re1 a2 49. Rd1 Rb1 50. Rd8 Rf1+ 51. Ke5 |
| ECO B29 in 1985 play it! niedermayr horst defeats white's jacoby gisbert in 42 moves | 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8. Qxd5 d6 9. exd6 Qb6 10. Qe4+ Be6 11. Qh4 f6 12. Bd3 O-O-O 13. O-O Rxd6 14. Qa4 Nd4 15. Nxd4 Rxd4 16. Qb5 Qc7 17. Bd2 Kb8 18. Rfe1 Bd7 19. Qb3 Rh4 20. Ba6 Qxh2+ 21. Kf1 Bc6 |
| ECO B23 in 2001 play it! niedermayr horst defeats white's mueller georg in 122 moves | 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. f3 O-O 10. Bb3 Bd7 11. Qd2 Nxd4 12. Bxd4 Rac8 13. Be3 Rfe8 14. Qf2 b6 15. Rad1 Be6 16. Bxe6 fxe6 17. Rd4 Qh5 18. Rd3 Rf8 19. Qg3 Nd7 20. f4 Nc5 21. Bxc5 Qxc5+ 22. Kh1 b5 23. Qg4 Rf6 24. e5 Qxe5 25. Nd5 Rxc2 26. Nxf6+ Qxf6 27. Qg5 Rxb2 28. Ra3 h6 29. Qxf6 Bxf6 30. Rxa7 Kf7 31. h3 Bd4 32. Ra8 h5 33. h4 Bf2 34. Kh2 Bxh4 35. Kh3 Bf6 36. Rf3 b4 37. a4 bxa3 38. Rfxa3 Re2 39. R8a5 Re1 40. Kg3 Re2 41. Rb5 Kg7 42. Rb7 e5 43. fxe5 Bxe5+ 44. Kh3 Bf6 45. Rd3 Kh6 46. Kg3 g5 47. Kf3 Rc2 48. g3 Kg6 49. Ke4 Rc4+ 50. Kf3 g4+ 51. Ke2 h4 52. gxh4 Bxh4 53. Rb8 Bf6 54. Rd5 Kf7 55. Kd3 Ra4 56. Rb7 Ke6 57. Rh5 g3 58. Rb1 Ra2 59. Re1+ Be5 60. Ke4 Rf2 61. Rh6+ Kd7 |
| ECO C18 in 1995 play it! niedermayr horst defeats white's studer kurt in 116 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. a4 dxc3 13. Ba3 O-O-O 14. Qd3 Nf5 15. Nxc3 a6 16. Qd2 Na5 17. Bb2 Nc4 18. Bxc4 dxc4 19. Qf2 Bc6 20. Rg1 Rd7 21. Rd1 Rxd1+ 22. Kxd1 Rxg2 23. Rxg2 Bxg2 24. Ba3 Qc6 25. Kc1 b6 26. Qe2 Bf3 27. Qf2 Kb7 28. Qd2 Kc8 29. Qf2 Kb7 30. h4 Bh5 31. Kb1 Qh1+ 32. Bc1 Qxh4 33. Qg2+ Kc7 34. Qa8 Qg3 35. Qxa6 Qxc3 36. Qa7+ Kc6 37. Qa8+ Kc7 38. Qa7+ Kc6 39. Qa8+ Kd7 40. Qb7+ Ke8 41. Qc8+ Ke7 42. Ka2 Qxc2+ 43. Bb2 c3 44. Qxc3 Qxc3 45. Bxc3 Kd7 46. Ka3 Ne3 47. Ka2 Kc6 48. Bd2 Nd5 49. Kb2 Bd1 50. a5 bxa5 51. Bxa5 Nxf4 52. Kc1 Bf3 53. Kd2 Ng6 54. Bc3 Kd5 55. Ke3 Bg4 56. Kf2 Nxe5 57. Kg3 f5 58. Kf4 Nc6 |
| ECO B01 in 1988 play it! niedermayr horst defeats white's lorenz robin in 66 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Nf3 Bg4 7. Be2 Nbd7 8. O-O e6 9. Re1 Be7 10. h3 Bf5 11. Nh4 Bg6 12. Bf3 Qb6 13. Nxg6 hxg6 14. Ne2 Rd8 15. c3 Qc7 16. Qa4 Nb6 17. Qxa7 e5 18. Qa5 Nfd5 19. Bxd5 Rxd5 20. Qa7 O-O 21. c4 Nxc4 22. Bc3 exd4 23. Nxd4 Bc5 24. Qa4 b5 25. Qd1 Bxd4 26. Bxd4 c5 27. b3 Rxd4 28. Qf3 Nd2 29. Qe3 Rfd8 30. Qg5 Ne4 31. Qh4 Nf6 32. Qg5 R8d5 33. Qe3 c4 |
| ECO B01 in 1996 play it! niedermayr horst defeats white's schoenberger pet in 72 moves | 1. e4 d5 2. exd5 Qxd5 3. d4 Nc6 4. Nf3 Bg4 5. Be2 O-O-O 6. Nc3 Qa5 7. Be3 Nf6 8. O-O e5 9. a3 Bxf3 10. Bxf3 Nxd4 11. Bxd4 exd4 12. Ne4 Nxe4 13. Bxe4 f5 14. Bf3 Bd6 15. Re1 Rhe8 16. Rxe8 Rxe8 17. g3 Qe5 18. Qd3 g5 19. Qb3 c6 20. Qd3 g4 21. Bg2 h5 22. Rd1 Bc5 23. b4 Bb6 24. a4 a5 25. Rb1 axb4 26. Qc4 Ba5 27. Rd1 Rd8 28. Qf7 h4 29. gxh4 Bc7 30. h5 Qxh2+ 31. Kf1 Qf4 32. Qg6 d3 33. cxd3 Bb6 34. Qe6+ Kb8 35. Qe2 g3 36. f3 Qd4 |
| ECO B01 in 1992 play it! niedermayr horst defeats white's bodner alfred in 50 moves | 1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nc6 5. O-O O-O-O 6. Nc3 Qd7 7. Ne4 e5 8. d3 f5 9. Ned2 Bd6 10. Nc4 Nf6 11. Nxd6+ Qxd6 12. Ng5 Rhf8 13. f3 Bh5 14. c3 h6 15. Nh3 Qc5+ 16. Kh1 g5 17. g4 fxg4 18. fxg4 Bg6 19. Nf2 Ne4 20. Nxe4 Bxe4+ 21. dxe4 Rxd1 22. Rxd1 Rf2 23. Bf1 Nd8 24. Bg2 Ne6 25. Rd5 Qc4 |
| ECO B01 in 1990 play it! niedermayr horst defeats white's wallner walter in 42 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Nc6 6. Bb5 Bd7 7. d5 Nb4 8. Bxd7+ Nxd7 9. a3 Nf6 10. axb4 Qxa1 11. O-O Qa6 12. Nd4 Rd8 13. Ndb5 Rd7 14. Bf4 Kd8 15. Qe2 e5 16. dxe6 Qxe6 17. Qf3 c6 18. Nxa7 Bxb4 19. Ra1 Re8 20. Kf1 Bxc3 21. Qxc3 Qe2+ |
| ECO B01 in 1998 play it! niedermayr horst defeats white's ricci alfredo by checkmate in 80 moves | 1. e4 d5 2. e5 c5 3. g3 Nc6 4. f4 Bf5 5. Bg2 e6 6. Nf3 Be7 7. Nc3 d4 8. Nb5 Nb4 9. Na3 Qd7 10. d3 h5 11. h3 Nd5 12. Qe2 Nh6 13. Nc4 O-O-O 14. a4 Bg6 15. Ng5 Bxg5 16. fxg5 Nf5 17. Qf2 Qc7 18. O-O Kb8 19. Bd2 Rd7 20. Qf3 h4 21. g4 Ng3 22. Rfc1 Qd8 23. a5 a6 24. Ra3 Rf8 25. Nb6 Nxb6 26. axb6 Rd5 27. c4 dxc3 28. Rcxc3 Be4 29. Qf2 Bxg2 30. Kxg2 Ne4 31. Qe3 Nxc3 32. Rxc3 Qxb6 33. Bc1 Rfd8 34. Qf2 Qc6 35. Kh2 Rxd3 36. Rxc5 Rf3 37. Qc2 Qd7 38. g6 Qd4 39. Kg2 Rg3+ 40. Kh2 Qg1# |
| ECO B01 in 1992 play it! niedermayr horst defeats white's bittner rudolf in 118 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 c6 6. Ne2 Bg4 7. Qd2 e6 8. f3 Bf5 9. O-O Qc7 10. Ng3 Bg6 11. f4 Be7 12. f5 exf5 13. Nxf5 Bxf5 14. Rxf5 O-O 15. Qf4 Bd6 16. Qh4 Nbd7 17. Bb3 Rae8 18. Bg5 Re5 19. Rxe5 Bxe5 20. Rf1 Bxc3 21. bxc3 Re8 22. Kh1 Qe5 23. Bd2 Qe2 24. Qf2 Nc5 25. h3 Nxb3 26. axb3 a6 27. Kg1 Qxf2+ 28. Kxf2 Kf8 29. Re1 Rxe1 30. Kxe1 Nd7 31. Ke2 Ke7 32. c4 Ke6 33. Ke3 h5 34. Kf4 f6 35. h4 Ne5 36. g3 g5+ 37. hxg5 fxg5+ 38. Ke4 h4 39. gxh4 gxh4 40. d4 h3 41. d5+ Kd7 42. Bf4 Ng4 43. c5 cxd5+ 44. Kxd5 h2 45. Bxh2 Nxh2 46. b4 Nf1 47. c4 Ne3+ 48. Kd4 Nf5+ 49. Ke5 Ne7 50. b5 a5 51. Kd4 Nc6+ 52. Kc3 Ne5 53. Kb3 Kc7 54. Kc3 Nd7 55. Kd4 a4 56. c6 bxc6 57. bxc6 Kxc6 58. c5 Kb5 59. c6 Kxc6 |