[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.21"]
[Round "4"]
[White "Stoppel, Franz"]
[Black "Jean, Claude"]
[Result "0-1"]

1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 Bg7 5. e4 d6 6. Nc3 O-O 7. Bd3 e6 8. Nge2 exd5 9. exd5 a6 10. O-O Nbd7 11. Ng3 Ne5 12. Be2 Rb8 13. f4 Neg4 14. h3 Nh6 15. Be3 b5 16. cxb5 Qe8 17. Bf2 axb5 18. Re1 b4 19. Bc4 Qd8 20. Nce2 Bd7 21. Qd2 Qb6 22. a4 bxa3 23. bxa3 Ra8 24. Reb1 Qa5 25. Qxa5 Rxa5 26. Be1 Ra7 27. Bc3 Rfa8 28. Rb6 Ne8 29. Bxg7 Kxg7 30. Rb3 Ra4 31. Rc3 Ng8 32. Kf2 Ngf6 33. Kf3 Nc7 34. Ne4 Ncxd5 35. Bxd5 Nxd5 0-1