[Event "October Revolution 50years"]
[Site "Moscow"]
[Date "1967.06.11"]
[Round "15"]
[White "Portisch, Lajos"]
[Black "Tal, Mihail"]
[Result "1-0"]
1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O Bf5 8. Ne1 e5 9. d5 Na5 10. e4 Bg4 11. Qd3 c5 12. Bd2 Nh5 13. Nc2 Bd7 14. Nb5 Bxb5 15. cxb5 a6 16. b6 Qxb6 17. Qc3 Qb5 18. Qxa5 Qxb2 19. Rfc1 b6 20. Qa4 Qb5 21. Qxb5 axb5 22. a3 Ra4 23. Rab1 Nf6 24. f3 1-0