[Event "Interzonal-02"]
[Site "Saltsjobaden"]
[Date "1952.09.25"]
[Round "7"]
[White "Petrosian, Tigran V"]
[Black "Averbakh, Yuri L"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. Qxc3 O-O 10. e3 c6 11. Nf3 Re8 12. Bd3 Bf5 13. Bxf5 Qxf5 14. O-O Nd7 15. Rac1 Nf6 16. Qc2 Qxc2 17. Rxc2 Ne4 18. Nd2 Nd6 19. g3 a5 20. a4 Ra6 21. b3 f5 1/2-1/2