[Event "URS-ch45 Final"]
[Site "Leningrad"]
[Date "1977.12.03"]
[Round "4"]
[White "Kochyev, Alexander"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[BlackElo "2645"]
1. Nf3 Nf6 2. c4 d5 3. d4 c6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 b5 11. Be2 Bb7 12. b4 Be7 13. Bb2 1/2-1/2