[Event "Chigorin Memorial-09"]
[Site "Sochi"]
[Date "1973.??.??"]
[Round "6"]
[White "Krogius, Nikolai V"]
[Black "Hennings, Artur"]
[Result "1-0"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 g6 5. d4 Bg7 6. Be2 O-O 7. O-O Be6 8. b3 h6 9. Bb2 Nbd7 10. Rc1 a6 11. a4 Qa5 12. Ba3 Rfe8 13. Nd2 Bf8 14. b4 Qd8 15. b5 axb5 16. cxb5 Nb8 17. Nb3 Bc8 18. Qc2 e6 19. Bxf8 Rxf8 20. Qb2 Qe7 21. Nc5 Nbd7 22. Nd3 cxb5 23. Qxb5 b6 24. Qb4 Qxb4 25. Nxb4 Bb7 26. Bb5 Rfc8 27. f3 Nb8 28. e4 Rd8 29. e5 Ne8 30. Rf2 Nc7 31. Bf1 Ne8 32. Rb2 Nc6 33. Nc2 Ba6 34. Rxb6 Bxf1 35. Rxc6 Bc4 36. Ne3 Bb3 37. Ra1 Rdc8 38. Rxc8 Rxc8 39. Nb5 Rb8 40. Ra3 Bxa4 41. Rxa4 Rxb5 42. Ra8 Kf8 43. Ng4 Ke7 44. Ra7+ Kd8 45. Nxh6 Rb4 46. Nxf7+ Kc8 47. Re7 Nc7 48. Kf2 Rb2+ 49. Kg3 Nb5 50. Nd6+ 1-0