[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.12.08"]
[Round "18"]
[White "Estrin, Yakov Borisovich"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Bxe2 d5 11. Bf4 c6 12. O-O-O Bc5 13. Bg3 1/2-1/2