[Event "URS-ch23 Semifinal"]
[Site "Leningrad"]
[Date "1955.11.29"]
[Round "12"]
[White "Krogius, Nikolai V"]
[Black "Lisitsin, Georgy M"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. d5 exd5 11. Ne1 d4 12. Qxd4 Bxg2 13. Nxg2 Nc6 14. Qd5+ Rf7 15. Be3 Bf6 16. Qd2 Qf8 17. Rad1 Qb4 18. b3 Qxd2 19. Rxd2 d6 20. Nf4 Bg5 1/2-1/2