[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.14"]
[Round "3"]
[White "Ravinsky, Grigory Ionovich"]
[Black "Shamkovich, Leonid Alexandrovic"]
[Result "1-0"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. f4 c6 6. Nf3 Qb6 7. b3 Bg4 8. Qd2 d5 9. Bxf6 exf6 10. exd5 O-O 11. Be2 Rd8 12. h3 Bxf3 13. Bxf3 f5 14. Rd1 cxd5 15. Nxd5 Qe6+ 16. Kf2 Nc6 17. Nc7 Bxd4+ 18. Kg3 Qe7 19. Nxa8 Be5 20. Bd5 Bb8 21. Kh2 g5 22. g3 gxf4 23. gxf4 Bxf4+ 24. Qxf4 Qe2+ 25. Kg3 Kh8 26. Bxc6 Rg8+ 27. Kh4 Qe7+ 28. Kh5 Qf6 29. Rhg1 Rg6 30. Rd6 1-0