[Event "Reykjavik International-01"]
[Site "Reykjavik"]
[Date "1964.01.27"]
[Round "11"]
[White "Gudmundsson, Arinbjorn"]
[Black "Thorbergsson, Freysteinn"]
[Result "1-0"]

1. c4 Nf6 2. g3 c5 3. Bg2 Nc6 4. Nc3 g6 5. e3 Bg7 6. Nge2 O-O 7. O-O d6 8. d4 Bd7 9. h3 Rb8 10. e4 cxd4 11. Nxd4 Nxd4 12. Qxd4 Qc8 13. Qxa7 Bxh3 14. Qa4 Bxg2 15. Kxg2 Qe6 16. Re1 Rfc8 17. Nd5 Kh8 18. Qb3 Nxd5 19. cxd5 Qe5 20. a4 h5 21. a5 Qd4 22. Ra4 Qc5 23. Be3 Qc2 24. Qxc2 Rxc2 25. Rb4 Ra8 26. Rxb7 Rxb2 27. Rxb2 Bxb2 28. Rb1 Bc3 29. Rb3 Bxa5 30. Ra3 Kg7 1-0