[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.22"]
[Round "5"]
[White "Benko, Pal C"]
[Black "Hamann, Svend"]
[Result "1/2-1/2"]
1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 Be7 5. Bg2 O-O 6. O-O c5 7. Bb2 b6 8. cxd5 Nxd5 9. d4 Bb7 10. dxc5 Bxc5 11. Nbd2 Nd7 12. a3 Rc8 13. e4 N5f6 14. Qe2 Be7 15. Rfc1 Nc5 16. Ne5 Nfd7 17. b4 Nxe5 18. Bxe5 Nd3 19. Rxc8 Bxc8 20. Bc3 Ba6 21. Rd1 Qc8 22. Nb1 Nf4 23. Qe3 Ne2+ 24. Kh1 Nxc3 25. Nxc3 Rd8 26. Rxd8+ 1/2-1/2