[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.10.28"]
[Round "4(4)"]
[White "Nunn, John DM"]
[Black "Wockenfuss, Klaus"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c4 Nf5 10. Bd3 Be7 11. O-O a6 12. Nc3 O-O 13. b4 Nh4 14. f4 exf4 15. Bxf4 Ng6 16. Bxg6 hxg6 17. c5 dxc5 18. d6 Bf6 19. Nd5 cxb4 20. Rc1 Bf5 21. Rc7 Re8 22. Rxb7 Re4 23. Qf3 Qa5 24. Nxf6+ gxf6 25. d7 Rd8 26. Rc1 Qd5 27. Rxb4 Rxd7 28. Rxe4 Qxe4 29. Qf2 1/2-1/2