[Event "GER-ch54 International02"]
[Site "Dortmund"]
[Date "1973.05.17"]
[Round "1"]
[White "Spassky, Boris Vasilievich"]
[Black "Keene, Raymond"]
[Result "1-0"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 O-O 5. Be3 d6 6. f3 Nc6 7. Nge2 Rb8 8. h4 h5 9. Qd2
Re8 10. O-O-O a6 11. Qe1 b5 12. e5 Nd7 13. g4 dxe5 14. gxh5 exd4 15. Nxd4 Nxd4 16. Bxd4
Bxd4 17. Rxd4 e5 18. Rd2 Qf6 19. hxg6 fxg6 20. cxb5 Nf8 21. h5 Qxf3 22. Rf2 Qg4 23. Ne4
1-0