[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.08.22"]
[Round "11"]
[White "Panno, Oscar"]
[Black "Bronstein, David Ionovich"]
[Result "1/2-1/2"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. Nc3 Bb7 5. e3 Be7 6. Bd3 d6 7. O-O Nbd7 8. b3 O-O 9. Bb2 c5 10. Qe2 a6 11. Rfd1 Qc7 12. Rac1 Rfe8 13. Bb1 Rad8 14. e4 Bf8 15. Qd2 cxd4 1/2-1/2