[Event "Clare Benedict Cup-22"]
[Site "Copenhagen"]
[Date "1977.02.17"]
[Round "5(4)"]
[White "Ammann, Philipp"]
[Black "Weidemann, Joerg"]
[Result "1/2-1/2"]
[WhiteElo "2230"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Qb3 e6 8. Bd2 Qb6 9. Qxb6 Nxb6 10. Nc3 a6 11. Ne4 d5 12. Nc5 Nxd4 13. Nxd4 Bxc5 14. Nb3 Be7 15. Na5 Nd7 16. f4 Nc5 17. Be3 Ne4 18. a3 O-O 19. Rc1 Bd8 20. b4 f5 21. Bd3 Bxa5 22. bxa5 Bd7 23. Ke2 Bc6 24. Bd4 Kf7 1/2-1/2