[Event "Christmas Congress 1956/57-32 Premier"]
[Site "Hastings"]
[Date "1956.12.27"]
[Round "1"]
[White "Olafsson, Fridrik"]
[Black "Penrose, Jonathan"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bxc3 8. bxc3 d6 9. Nd2 e5 10. Nb3 Re8 11. f3 b6 12. e4 Nh5 13. g3 Bh3 14. Rf2 g6 15. d5 Nb8 16. a4 a5 17. Bh6 Nd7 18. Qd2 Ng7 19. g4 Nf8 20. Kh1 f5 21. gxf5 Ra7 22. Rg1 gxf5 23. exf5 Kh8 24. Bg5 Qc8 25. Bf6 Bxf5 26. Qh6 Ree7 27. Rfg2 1-0