[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.09.17"]
[Round "3"]
[White "Krogius, Nikolai V"]
[Black "Tseitlin, Mark D"]
[Result "1/2-1/2"]
1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. Nc3 Nc6 8. O-O Nxd4 9. Nxd4 Bxd4 10. Nb5 Be5 11. Qxd8+ Kxd8 12. Rd1+ Nd7 13. Be3 a6 14. Na7 c6 15. Rd2 Kc7 16. Rc1 Nb8 17. b4 Rd8 18. Rxd8 Kxd8 19. a4 Bd7 20. b5 axb5 21. axb5 Kc7 22. h4 Bd6 23. Ra1 c5 24. Bd2 Na6 25. Ba5+ Kb8 26. bxa6 Rxa7 27. Bxb7 Bc7 28. Bxc7+ Kxc7 29. Rc1 Kd6 30. Rd1+ Kc7 31. Rc1 1/2-1/2