[Event "Chigorin Memorial-07"]
[Site "Sochi"]
[Date "1967.??.??"]
[Round "12"]
[White "Krogius, Nikolai V"]
[Black "Zaitsev, Alexander N"]
[Result "1/2-1/2"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 c6 12. c4 Be6 13. Ne5 Nd7 14. Nxd7 Qxd7 15. Be2 b6 16. O-O Rac8 17. Rfd1 c5 18. cxd5 Bxd5 19. dxc5 1/2-1/2