[Event "Chigorin Memorial-11"]
[Site "Sochi"]
[Date "1976.??.??"]
[Round "15"]
[White "Krogius, Nikolai V"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2570"]
[BlackElo "2420"]

1. Nf3 Nf6 2. c4 g6 3. g3 b6 4. Bg2 Bb7 5. d4 c5 6. d5 b5 7. O-O Bg7 8. Re1 bxc4 9. Nc3 d6 10. Nd2 O-O 11. Nxc4 Ba6 12. Qa4 Bxc4 13. Qxc4 Nbd7 14. Bd2 Rb8 15. Qa6 Qb6 1/2-1/2