[Event "Interzonal-05"]
[Site "Stockholm"]
[Date "1962.02.14"]
[Round "12"]
[White "Stein, Leonid"]
[Black "Portisch, Lajos"]
[Result "1-0"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Nd2 Nc6 8. Nxc6 bxc6 9.
f4 Bc5+ 10. Kh1 d6 11. Nf3 e5 12. fxe5 dxe5 13. Nh4 O-O 14. Nf5 Be6 15. Qe2 a5 16. Bc4 Kh8
17. Bg5 Nd7 18. Rad1 Nb6 19. Nxg7 Bxc4 20. Bf6 Be7 21. Qf3 1-0