[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.12"]
[Round "2"]
[White "Nikitin, Aleksander S"]
[Black "Estrin, Yakov Borisovich"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 Qe7 9. Re1 Nd8 10. d4 Bg4 11. h3 Bh5 12. g4 Bg6 13. d5 c6 14. Bf1 cxd5 15. exd5 Rc8 16. Re3 Qd7 17. Bxf6 gxf6 18. Nh4 f5 19. gxf5 Bxf5 20. Bb5 Qxb5 21. Nxf5 Kh8 22. Nxd6 Rg8+ 23. Kh1 1-0