[Event "URS-ch37 Final"]
[Site "Moscow"]
[Date "1969.09.30"]
[Round "16"]
[White "Petrosian, Tigran V"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nd7 10. a4 a5 11. Ba3 axb4 12. Bxb4 Nc5 13. Nd2 Bd7 14. a5 Nc8 15. Nb3 Qe7 16. Bf3 b6 17. Re1 Na6 18. Ba3 bxa5 19. Nxa5 Nb6 20. Re2 Nb8 21. Bb4 Na6 22. Ba3 Nb8 23. Bb4 1/2-1/2