[Event "USSR Championship"] [Site "Moscow URS"] [Date "1957.02.14"] [EventDate "1957.??.??"] [Round "16"] [Result "1/2-1/2"] [White "Tigran Vartanovich Petrosian"] [Black "Viktor Korchnoi"] [ECO "D79"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "35"] 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 Bg7 7. O-O O-O 8. Nc3 Nc6 9. Ne5 e6 10. Bf4 Nd7 11. Nxc6 bxc6 12. Qd2 a5 13. Rfd1 Ba6 14. Rac1 Re8 15. Na4 Bb5 16. Nc3 Ba6 17. Na4 Bb5 18. Nc3 1/2-1/2