[Event "Interzonal-02"]
[Site "Saltsjobaden"]
[Date "1952.10.02"]
[Round "11"]
[White "Petrosian, Tigran V"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. a3 cxd4 8. cxd4 Be7 9. Nf3 O-O 10. Be2 b6 11. O-O Bb7 12. Qd3 Nc6 13. Rd1 Bf6 14. Bb2 Rc8 15. Bc3 Rc7 16. Qe3 Qa8 17. Bd3 Na5 18. Bb4 Rfc8 19. Ne5 Bxe5 20. dxe5 Nb3 21. Rab1 Nc5 22. f3 Nxd3 23. Rxd3 Bc6 1/2-1/2