[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.09.25"]
[Round "8"]
[White "Polugaevsky, Lev"]
[Black "Krogius, Nikolai V"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Rc1 c6 10. Bd3 Nxc3 11. Rxc3 Nd7 12. O-O dxc4 13. Bxc4 b6 14. Bd3 c5 15. Bb5 Rd8 16. Qe2 Bb7 17. Rfc1 a6 1/2-1/2