[Event "Interzonal-05"]
[Site "Stockholm"]
[Date "1962.02.04"]
[Round "6"]
[White "Olafsson, Fridrik"]
[Black "Bertok, Mario"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Qc7 8. a4 b6 9. Bd3 Bb7 10. O-O Nbd7 11. Qe1 Be7 12. Nh4 g6 13. f5 d5 14. exd5 Nxd5 15. Ne4 Nb4 16. Bg5 f6 17. Nxf6+ Nxf6 18. fxg6 Ng4 19. Bxe7 Qxe7 20. Be4 Nd5 21. gxh7 Ngf6 22. Bg6+ Kd7 23. c4 Qc5+ 24. Kh1 Nf4 25. b4 Bxg2+ 26. Nxg2 Qc6 27. Bf5+ Kc7 28. Qxe5+ Kb7 29. Qxf4 Rae8 30. Qf3 Ne4 31. Bxe4 Rxe4 32. b5 axb5 33. axb5 Qe6 34. Rae1 Re8 35. Rxe4 Qxe4 36. Qxe4+ Rxe4 37. h8=Q Re7 38. Qh3 Rc7 39. Qf3+ Kb8 40. Ra1 Rb7 41. Qf8+ Kc7 42. Qe7+ Kb8 43. Qd8# 1-0