[Event "URS-ch41 Final"]
[Site "Moscow"]
[Date "1973.10.04"]
[Round "3"]
[White "Averkin, Orest Nikolaevich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. Nf3 d5 2. e3 Nf6 3. c4 dxc4 4. Na3 g6 5. Nxc4 Bg7 6. b3 O-O 7. Bb2 c5 8. Be2 Nc6 9. O-O Bf5 10. a3 Bd3 11. Rc1 Rc8 12. Bxd3 Qxd3 13. Nce5 Nxe5 14. Nxe5 Qd5 15. Qc2 Ne4 16. Nc4 Bxb2 17. Nxb2 Rc6 18. d3 Nf6 19. Rfd1 Rfc8 20. h3 Qe6 21. Qc4 Qe5 22. Rd2 Ne8 23. Qh4 Qe6 24. Qc4 Qe5 25. Qh4 Qe6 1/2-1/2