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

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nc6 8. e4 Nb6 9. d5 Na5 10. Na3 c6 11. Qe1 Nac4 12. Nxc4 Nxc4 13. dxc6 bxc6 14. Qb4 Ba6 15. Bg5 Rb8 16. Qxe7 1/2-1/2