[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.24"]
[Round "9"]
[White "Krogius, Nikolai V"]
[Black "Antoshin, Vladimir S"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. Nbd2 f6 10. Nc4 Nb6 11. Na5 Bd7 12. c4 O-O 13. c5 Nc8 14. Be3 Na7 15. d5 dxc5 16. Nb7 Qb8 17. Nxc5 Bxc5 18. Bxc5 Rd8 1/2-1/2