[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.09.20"]
[Round "5"]
[White "Karasev, Vladimir I"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qa5 10. Be3 exd4 11. Nxd4 Nb6 12. Qd3 Qa6 13. b3 d5 14. exd5 Nfxd5 15. Ne4 Nxe3 16. Qxe3 Qa3 17. Rad1 Bd7 18. Qf4 Rad8 19. Nf6+ Kh8 20. Nf3 Qe7 21. Nxd7 Rxd7 22. Rxd7 Qxd7 23. Re1 Kg8 1/2-1/2