[Event "Olympiad-18 Preliminaries C"]
[Site "Lugano"]
[Date "1968.10.18"]
[Round "1"]
[White "Schmidt, Wlodzimierz"]
[Black "Dietrich, Norbert"]
[Result "1/2-1/2"]
1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 Nc6 7. O-O e5 8. d3 Bg4 9. f3 Be6 10. f4 Qd7 11. Nd5 Ne8 12. Be3 f5 13. d4 Ne7 14. dxe5 dxe5 15. fxe5 Bxe5 16. Bd4 Bxd4+ 17. Nxd4 fxe4 18. Rxf8+ Kxf8 19. Nxe7 Kxe7 20. Nxe6 Qxd1+ 21. Rxd1 Kxe6 22. Bxe4 c6 23. b4 Nd6 24. Bd3 Rf8 25. Re1+ Kd7 26. Kg2 Re8 27. Rd1 Kc7 28. c5 Nb5 29. Rf1 Re7 30. Rf4 Nc3 31. a3 1/2-1/2