[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.09.20"]
[Round "5"]
[White "Krogius, Nikolai V"]
[Black "Tukmakov, Vladimir B"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. cxd5 Nxd5 7. d4 Nb6 8. Nc3 Nc6 9. d5 Na5 10. e4 c6 11. Bg5 cxd5 12. exd5 h6 13. Bf4 Nac4 14. Qe2 g5 15. Bc1 Bg4 16. h3 Bh5 17. Re1 Re8 18. a4 a5 19. g4 Bg6 20. h4 e6 21. hxg5 exd5 22. Qxe8+ Qxe8 23. Rxe8+ Rxe8 24. gxh6 Bh8 25. Nb5 Nxb2 26. Be3 N2xa4 27. Nfd4 Rd8 28. Bf1 Nc5 29. Bg5 Ra8 30. Nc7 Bxd4 31. Nxa8 Nd3 32. Rxa5 Nxf2 33. Kh2 Nxg4+ 34. Kg3 f5 35. Bf4 Kh7 36. Nc7 Nxh6 37. Nxd5 Ng4 38. Ne7 Nf6 1/2-1/2