[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.12.07"]
[Round "17"]
[White "Spassky, Boris Vasilievich"]
[Black "Nikitin, Aleksander S"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Be7 7. cxd5 exd5 8. g3 c6 9. Bg2 Bf5 10. f3 Na6 11. O-O Nc7 12. e4 Be6 13. Nf4 Nd7 14. exd5 Bxd5 15. Nfxd5 Nxd5 16. Nxd5 1/2-1/2