[Event "Chigorin Memorial-11"]
[Site "Sochi"]
[Date "1976.??.??"]
[Round "4"]
[White "Krogius, Nikolai V"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[WhiteElo "2570"]
[BlackElo "2540"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 a6 8. h3 Rb8 9. e4 b5 10. cxb5 axb5 11. e5 dxe5 12. dxe5 Qxd1 13. Rxd1 Nd7 14. Bf4 e6 15. Rab1 1/2-1/2