[Event "GDR-ch"]
[Site "Schwerin GDR"]
[Date "1969.02.??"]
[EventDate "1969.02.00"]
[Round "11"]
[Result "0-1"]
[White "Wolfgang Dietze"]
[Black "Heinz Liebert"]
[ECO "C81"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "58"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 a6 6. Ba4 b5 7. Bb3 d5 8. dxe5  Be6 9. Qe2 Be7 10. Rd1 Nc5 11. Nc3 Nxb3 12. axb3 O-O 13. Be3 Qd7 14. Qd2 Rfd8  15. Bg5 b4 16. Na4 Bg4 17. Re1 Bxf3 18. gxf3 Bxg5 19. Qxg5 Nd4 20. Kg2 Nxc2 21.  Rg1 Nxa1 22. Kh1 g6 23. Rg4 Re8 24. Rh4 f6 25. exf6 Qf5 26. f7+ Qxf7 27. Rf4  Qe6 28. Nc5 Qd6 29. Rf6 Re5 0-1