[Event "URS-ch27 Semifinal"]
[Site "Tallinn"]
[Date "1959.??.??"]
[Round "?"]
[White "Osnos, Viatcheslav"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. a4 Nbd7 10. axb5 axb5 11. Rxa8 Qxa8 12. Nc3 b4 13. Nb5 Qb8 14. e4 Bxe4 15. Ng5 Bf5 16. Re1 h6 17. Nxe6 fxe6 18. Bxe6 Bxe6 19. Qxe6+ Kd8 20. Qa6 Qb6 21. Qa8+ Qb8 22. Qa6 1/2-1/2