[Event "Olympiad-15 Preliminaries A"]
[Site "Varna"]
[Date "1962.09.22"]
[Round "7"]
[White "Zwaig, Arne"]
[Black "Boey, Josef Martin"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Ne4 6. Qe2 f5 7. exf6 d5 8. Nxd4 Nxd4 9. cxd4 Kf7 10. fxg7 Bb4+ 11. Nc3 Re8 12. Qf3+ Kg8 13. Be2 Nxc3 14. bxc3 Bg4 15. Qxg4 Bxc3+ 16. Kf1 Bxa1 17. Qf5 Qe7 18. Qxd5+ Kxg7 19. Qh5 b5 20. Be3 c6 21. Qh6+ Kh8 22. Qxc6 Rad8 23. h4 Bxd4 24. Rh3 Rf8 25. Bxd4+ Rxd4 26. Qxb5 Qf6 27. Rf3 Rxh4 28. Kg1 Qa1+ 29. Bf1 Rxf3 30. Qe8+ Kg7 31. Qe7+ Kg6 32. Qxh4 Rf7 33. Qg4+ Kf6 34. Qf4+ Kg6 1/2-1/2