[Event "Interzonal-02"]
[Site "Saltsjobaden"]
[Date "1952.10.03"]
[Round "12"]
[White "Stahlberg, Gideon"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nbd2 Nc6 7. c3 e5 8. dxe5 dxe5 9. Nb3 Qe7 10. Be3 Rd8 11. Qc1 Bf5 12. Rd1 1/2-1/2