[Event "Interzonal-05"]
[Site "Stockholm"]
[Date "1962.01.27"]
[Round "1"]
[White "Portisch, Lajos"]
[Black "Bilek, Istvan"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bb7 13. Ng3 g6 14. Bc2 Bg7 15. dxe5 Nxe5 16. Nxe5 dxe5 17. Be3 Qxd1 18. Raxd1 Rad8 19. f3 Bf8 20. Rxd8 Rxd8 21. Rd1 1/2-1/2