[Event "Dortmunder Schachtage-03"]
[Site "Dortmund"]
[Date "1975.04.03"]
[Round "2"]
[White "Bachmann, Karlheinz"]
[Black "Kupreichik, Viktor D"]
[Result "0-1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 Bg7 5. cxd5 Qxd5 6. Nc3 Qa5 7. Ne4 Nbd7 8. Bc3 Qb6 9. e3 O-O 10. Ng3 Rd8 11. Bc4 Nc5 12. O-O Be6 13. Qc2 Bxc4 14. bxc4 Qa6 15. d4 Qxc4 16. Ne5 Qa4 17. Qb1 Nd5 18. Be1 Ne6 19. Nd3 c5 20. Nxc5 Nxc5 21. dxc5 Bxa1 22. Qxa1 Rac8 23. Qe5 Qc6 24. e4 Qf6 0-1