[Event "Chigorin Memorial-11"]
[Site "Sochi"]
[Date "1976.??.??"]
[Round "11"]
[White "Krogius, Nikolai V"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2570"]
[BlackElo "2635"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. b3 d5 8. cxd5 Nxd5 9. Bb2 c5 10. d4 Nd7 11. Rc1 Nxc3 12. Bxc3 Rc8 1/2-1/2