[Event "Reykjavik International-01"]
[Site "Reykjavik"]
[Date "1964.01.30"]
[Round "13"]
[White "Gudmundsson, Arinbjorn"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. b3 O-O 5. Bb2 d5 6. e3 c5 7. Nbd2 cxd4 8. exd4 Nc6 9. Be2 Bf5 10. O-O Ne4 11. Re1 Rc8 12. a3 Nxd2 13. Qxd2 Na5 14. Qb4 Bc2 15. Nd2 Bh6 16. c5 b6 17. Bd1 Nc6 18. Qc3 Bxd1 19. Raxd1 Bg7 20. Nf3 bxc5 21. Qd2 Na5 22. Qe3 e6 23. Re2 c4 24. b4 Nb7 25. a4 Nd6 26. Ne1 Nf5 27. Qa3 a6 28. Bc3 Qb6 29. Nc2 Rfd8 30. Qb2 Nd6 31. f3 Nf5 32. Kh1 h5 33. Rb1 e5 34. Rd2 exd4 35. Nxd4 Nxd4 36. Rxd4 Bxd4 37. Bxd4 Qc6 38. Qc3 Kh7 39. b5 axb5 40. axb5 Qd6 41. b6 Re8 42. Qd2 Re7 43. Bc3 d4 44. Bxd4 Rd7 45. Rd1 c3 46. b7 Rxb7 0-1