[Event "Dortmunder Schachtage-03"]
[Site "Dortmund"]
[Date "1975.04.09"]
[Round "8"]
[White "Ornstein, Axel"]
[Black "Kupreichik, Viktor D"]
[Result "0-1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Bd3 Bb4 7. a3 Ba5 8. O-O O-O 9. Qc2 Bc7 10. e4 dxc4 11. Bxc4 e5 12. Be3 Nb6 13. Nxe5 Ng4 14. Nxg4 Nxc4 15. Ne2 Be6 16. h3 h5 17. Nh2 Nxe3 18. fxe3 f6 19. Nf3 Qe7 20. Nf4 Bf7 21. e5 fxe5 22. Ng6 Bxg6 23. Qxg6 Qe8 24. Qc2 exd4 25. exd4 Qe3+ 26. Kh1 Rae8 27. Rae1 Qxe1 0-1