[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.11.03"]
[Round "7"]
[White "Hobson, Ronald"]
[Black "Kostjoerin, Anatole"]
[Result "0-1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 a5 6. g3 Bg4 7. Bg2 Bc5 8. O-O Nge7 9. Bf4 Ng6 10. Qd2 Qd7 11. b3 O-O 12. Ne1 Ncxe5 13. Nd3 Nxd3 14. exd3 c6 15. Qc2 Nxf4 16. gxf4 Qf5 17. Nd2 Be2 18. Ne4 Bxf1 19. Kxf1 Rad8 20. Qd2 Bd6 21. Nxd6 Rxd6 22. Be4 Qh5 23. Kg1 Rh6 24. f3 f5 25. Rf1 fxe4 26. fxe4 Qg4+ 27. Kh1 Qh3 28. f5 Qxf1# 0-1