[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.18"]
[Round "6"]
[White "Nikitin, Aleksander S"]
[Black "Krogius, Nikolai V"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Bb7 12. d5 Bc8 13. Nbd2 Ne8 14. b4 Nb7 15. a4 Bd7 16. axb5 axb5 17. Rxa8 Qxa8 18. Nf1 g6 19. Bh6 Ng7 20. Qa1 Rc8 21. Qb2 Qb8 22. Ra1 Nh5 23. Ng3 Nf4 24. Bxf4 exf4 25. Ne2 Bf6 26. bxc5 Nxc5 27. Nfd4 1/2-1/2