[Event "URS-ch45 Final"]
[Site "Leningrad"]
[Date "1977.12.07"]
[Round "6"]
[White "Dorfman, Josif D"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[BlackElo "2645"]
1. c4 Nf6 2. d4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. Bg5 d6 8. e3 Nbd7 9. Be2 h6 10. Bh4 Qe7 11. Nd2 O-O 12. O-O c5 13. Bf3 Bxf3 14. Qxf3 d5 15. cxd5 exd5 16. dxc5 bxc5 17. Rac1 Rab8 18. Rc2 Qe6 19. Bg3 Rb7 20. Rfc1 a5 21. h3 a4 22. Nb1 Ne4 23. Nc3 Nxc3 24. Rxc3 Rb5 25. Qd1 Ra8 26. Qc2 Ra7 27. Kh2 Qc6 28. Rd3 Qe6 29. Rc3 Qb6 30. Qd1 Qe6 1/2-1/2