[Event "URS-ch23 Semifinal"]
[Site "Leningrad"]
[Date "1955.11.15"]
[Round "4"]
[White "Estrin, Yakov Borisovich"]
[Black "Stoliar, Efim Samoilovich"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Qc7 10. Kb1 Be7 11. Be2 Na5 12. Nb3 Bc6 13. Bf4 Nxb3 14. cxb3 Rd8 15. g4 O-O 16. h4 e5 17. g5 exf4 18. gxf6 Bxf6 19. Qxf4 Be5 20. Qe3 Qe7 21. Bc4 Qf6 1/2-1/2