[Event "Chigorin Memorial-09"]
[Site "Sochi"]
[Date "1973.??.??"]
[Round "1"]
[White "Krogius, Nikolai V"]
[Black "Kholmov, Ratmir D"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 c5 8. Nc3 d5 9. e3 Nbd7 10. Qe2 Ne4 11. cxd5 Nxc3 12. Bxc3 exd5 13. Rfd1 Re8 14. d4 Nf6 15. dxc5 bxc5 16. Qb2 Qb6 17. Rab1 Ne4 18. Bxg7 d4 19. Be5 Nc3 20. Rxd4 cxd4 21. Bxd4 Na4 22. bxa4 Qxb2 23. Rxb2 Be4 24. Nd2 Bxg2 25. Kxg2 Reb8 26. Rb5 a6 1/2-1/2