[Event "Zuerich"]
[Site "Zuerich"]
[Date "1961.05.28"]
[Round "2"]
[White "Kupper, Josef"]
[Black "Christoffel, Martin"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 f5 9. dxe5 dxe5 10. Nbd2 Qf6 11. Nxe4 fxe4 12. Bg5 Qf5 13. Bc2 Bd6 14. Bxe4 Qg4 15. Qd3 Qh5 16. Qc4 h6 17. Bxc6 Bxc6 18. Rxe5+ 1-0