[Event "Reykjavik International-04"]
[Site "Reykjavik"]
[Date "1970.01.18"]
[Round "4"]
[White "Amos, Bruce M"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Bd7 8. a4 Nc6 9. Qd2 Nge7 10. Ba3 b6 11. Bd3 h6 12. O-O Na5 13. dxc5 bxc5 14. Qf4 f5 15. Qh4 Kf7 16. g4 Nc4 17. Rfe1 Nxa3 18. Rxa3 fxg4 19. Qxg4 Bc6 20. Nh4 Qd7 21. Ng6 Nxg6 22. Bxg6+ Kg8 23. Re3 Qe7 24. Rf3 Be8 25. Bxe8 Rxe8 26. Rb3 Kh7 27. Rg3 Rhf8 28. Qg6+ Kh8 29. a5 Rb8 30. Rf3 Rxb3 31. Rxf8+ Qxf8 32. cxb3 Qe7 33. b4 d4 34. bxc5 dxc3 35. c6 Qc5 36. Qe8+ Kh7 37. Qxe6 c2 38. Qf5+ Kg8 39. Qe6+ Kh8 40. Qc8+ Kh7 41. Qf5+ Kg8 1/2-1/2