[Event "URS-ch23 Semifinal"]
[Site "Leningrad"]
[Date "1955.11.11"]
[Round "1"]
[White "Lisitsin, Georgy M"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. b3 a5 7. Nc3 Nbd7 8. Bb2 Nb6 9. a4 Nbd5 10. Nxd5 Nxd5 11. Nd2 c6 12. e4 Nb6 13. Qe2 c5 14. Nf3 Qc7 15. c4 Bg4 16. d5 Bxf3 17. Bxf3 Bf6 18. Bg2 Nd7 19. f4 Bd4+ 20. Kh1 e6 21. dxe6 fxe6 22. Rad1 e5 23. Bc1 exf4 24. gxf4 Rf6 1/2-1/2