[Event "Interzonal-02"]
[Site "Saltsjobaden"]
[Date "1952.10.14"]
[Round "18"]
[White "Petrosian, Tigran V"]
[Black "Steiner, Herman"]
[Result "1/2-1/2"]
1. Nf3 d5 2. c4 d4 3. d3 c5 4. e4 Nc6 5. Na3 e5 6. Nc2 Bd6 7. Be2 Nge7 8. O-O Ng6 9. a3 O-O 10. Nfe1 a5 11. Bg4 a4 12. Rb1 1/2-1/2