[Event "Chigorin Memorial-03"]
[Site "Sochi"]
[Date "1963.06.01"]
[Round "1"]
[White "Bilek, Istvan"]
[Black "Krogius, Nikolai V"]
[Result "0-1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. O-O e5 6. Qc2 Ne7 7. d3 O-O 8. Nbd2 h6 9. Rb1 a5 10. b3 Na6 11. a3 Re8 12. b4 axb4 13. axb4 b5 14. e4 Rb8 15. c5 Be6 16. Qb2 Ra8 17. Ra1 Kh7 18. Nxe5 dxe4 19. dxe4 Nxb4 20. Rxa8 Qxa8 21. Qxb4 Bxe5 22. f4 Bg7 23. f5 gxf5 24. exf5 Bxf5 25. Ne4 Nd5 26. Nf6+ Bxf6 27. Bxd5 cxd5 28. Rxf5 Qa1 29. Qd2 Bg5 30. Qd3 Kg8 31. Rf1 Bxc1 32. Qxd5 Be3+ 33. Kg2 Qa7 34. c6 Bg5 35. h4 Bd8 36. Rf4 Qe7 37. Kh3 Bc7 38. Rg4+ Kf8 39. Qxb5 Qf6 40. Qb1 h5 41. Rg5 0-1