[Event "Interzonal-12a"]
[Site "Las Palmas"]
[Date "1982.07.16"]
[Round "4"]
[White "Smyslov, Vassily V"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[WhiteElo "2565"]
[BlackElo "2605"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. b3 Nbd7 10. Bb2 b6 11. Ne5 Bb7 12. Bf1 Nxe5 13. Bxe5 Ke7 1/2-1/2