[Event "October Revolution 50years"]
[Site "Moscow"]
[Date "1967.06.11"]
[Round "15"]
[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. d5 a5 8. O-O Na6 9. Bg5 h6 10. Bh4 Qd7 11. Nd2 c5 12. a3 Ne8 13. f3 Bf6 14. Bf2 Bg5 15. Nb3 Qd8 16. Nc1 Bd7 17. Nd3 Rc8 18. g3 f5 19. exf5 gxf5 20. f4 Bf6 21. Be3 Bg7 22. Qd2 e4 23. Nf2 Nf6 24. h3 Qe8 25. Kh2 h5 26. Rg1 Nc7 27. a4 Qg6 28. Rg2 Rf7 29. Rh1 Bf8 30. Kg1 Rg7 31. Kf1 Re8 32. Rhg1 Qh7 33. Qd1 Na6 34. Na2 Kf7 35. Ke1 Be7 1/2-1/2