[Event "Dortmunder Schachtage-04"]
[Site "Dortmund"]
[Date "1976.05.17"]
[Round "11"]
[White "Ackermann, Hans Werner"]
[Black "Nicolai, Werner"]
[Result "1-0"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Be6 6. Nge2 Nc6 7. O-O Be7 8. d4 Nxc3 9. bxc3 Bd5 10. Qd3 Bxg2 11. Kxg2 Qd5+ 12. f3 exd4 13. cxd4 Nb4 14. Qd2 Qc4 15. Ba3 Nd5 16. Bxe7 Nxe7 17. Rfe1 O-O 18. Nf4 Nf5 19. c3 Rfe8 20. Kf2 Nd6 21. Rxe8+ Rxe8 22. Re1 Rxe1 23. Kxe1 Nb5 24. Ne2 Qc6 25. Kf2 Nd6 26. Qc2 Qc4 27. h4 h6 28. Nf4 Nb5 29. Ne2 c5 30. Qb3 Qxb3 31. axb3 cxd4 32. cxd4 Kf8 33. Ke3 Ke7 34. g4 Nd6 35. Ng3 a5 36. Kd3 b5 37. Ne2 Ne8 38. Nc3 Nc7 39. Ke4 Kd6 40. h5 b4 41. Ne2 Nd5 42. Ng3 Ne7 43. Kd3 Kd5 44. Nf1 Kc6 45. Ne3 Kb6 46. f4 f6 47. Nd1 f5 48. Ne3 fxg4 49. Nxg4 Nf5 50. d5 Kc5 51. Ke4 Ne7 52. Ne3 Nc8 53. Ke5 Nb6 54. d6 Kc6 55. Ke6 Nd7 56. Ke7 Nf6 57. f5 a4 58. bxa4 b3 59. Nc4 Nd5+ 60. Ke6 Nf4+ 61. Ke7 Nd5+ 62. Ke8 Kc5 63. Nd2 Kxd6 64. Nxb3 Nf6+ 65. Kf7 Nxh5 66. Kg6 Ng3 67. Kxg7 Nxf5+ 68. Kg6 Ne7+ 69. Kxh6 Kd5 70. Kg7 Nf5+ 71. Kf6 Nd6 72. Ke7 Kc6 73. Nd4+ Kc7 74. a5 Ne4 75. Nb5+ Kc8 76. a6 Kb8 77. a7+ Ka8 78. Kd7 Nc5+ 79. Kc6 Na4 80. Kc7 Nb6 81. Kc6 Nc4 82. Kc5 Na5 83. Kb6 1-0