[Event "Dortmunder Schachtage-01"]
[Site "Dortmund"]
[Date "1973.06.03"]
[Round "1"]
[White "Nautsch, Werner"]
[Black "Wittmann, Rainer"]
[Result "0-1"]
1. d4 c5 2. d5 d6 3. c4 g6 4. Bd2 Bg7 5. Bc3 Nf6 6. e4 O-O 7. Bd3 e5 8. Ne2 Nh5 9. Nd2 f5 10. Qc2 Qg5 11. g3 f4 12. h4 Qe7 13. O-O-O fxg3 14. Nxg3 Rxf2 15. Nxh5 gxh5 16. Rdf1 Rxf1+ 17. Nxf1 Bg4 18. Be2 Nd7 19. Ng3 Qf6 20. Nf5 Bxf5 21. exf5 Rf8 22. Bd3 Qf7 23. Bd2 Nf6 24. Bg5 Ng4 25. Rf1 Bf6 26. Qd2 Kh8 27. Bxf6+ Nxf6 28. Be2 Rg8 29. Qd1 Ng4 30. Qb3 Rg7 31. a4 Qf6 32. Kb1 Nh2 33. Rf2 Qxh4 34. Qe3 Ng4 35. Bxg4 hxg4 36. f6 Rf7 37. Qe4 Qxf2 0-1