[Event "URS-ch sf"] [Site "Tbilisi URS"] [Date "1956.12.07"] [EventDate "?"] [Round "13"] [Result "1-0"] [White "Nikolai Krogius"] [Black "Viktor Korchnoi"] [ECO "C05"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "61"] 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. f4 Ba6 8. Bxa6 Nxa6 9. Ndf3 Be7 10. Ne2 c4 11. O-O O-O 12. g4 f5 13. exf6 Nxf6 14. Ne5 Nc7 15. Ng3 b5 16. Qe2 Bd6 17. Bd2 Nd7 18. f5 Qe7 19. Rae1 Bxe5 20. dxe5 Rae8 21. Qf2 Qd8 22. Qxa7 exf5 23. Nxf5 Rxe5 24. Rxe5 Nxe5 25. Bf4 Re8 26. Bxe5 Rxe5 27. Qd4 Qe8 28. Nxg7 Qe7 29. Nf5 Qe6 30. Nh6+ Kg7 31. Nf7 1-0