[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.09.15"]
[Round "1"]
[White "Smyslov, Vassily V"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6 7. Bd2 b6 8. cxd5 exd5 9. Be2 Bb7 10. O-O Nbd7 11. Rfd1 Re8 12. Be1 c6 13. a4 a5 14. Qc2 Qe7 15. Na2 Ne4 16. Rab1 Qe6 17. b4 axb4 18. Nxb4 c5 19. dxc5 bxc5 20. Nd3 Bc6 21. Nf4 Qd6 22. Bb5 Bxb5 23. Rxb5 d4 24. Ne2 Rac8 25. Ng3 1/2-1/2