[Event "Leningrad-ch"] [Site "Leningrad URS"] [Date "1957.06.??"] [EventDate "?"] [Round "?"] [Result "1-0"] [White "Alexander Cherepkov"] [Black "Viktor Korchnoi"] [ECO "A05"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "53"] 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 c6 7. Nc3 a6 8. d5 e5 9. dxe6 Bxe6 10. b3 Qe7 11. Bf4 Rd8 12. Nd4 Bc8 13. Qd2 Nfd7 14. Rad1 Ne5 15. Bh6 Bxh6 16. Qxh6 Nbd7 17. h3 Re8 18. f4 Nxc4 19. bxc4 Qe3+ 20. Kh2 Qxc3 21. f5 Qe3 22. Rf4 Nf6 23. Rdf1 Rf8 24. fxg6 hxg6 25. R1f3 Qe5 26. Rxf6 Qxd4 27. Rxg6+ 1-0