[Event "Candidates Tournament"]
[Site "Amsterdam/Leeuwarden"]
[Date "1956.04.21"]
[Round "14"]
[White "Petrosian, Tigran V"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O Be6 10. Kb1 Rc8 11. g4 Qa5 12. a3 Nd7 13. Be2 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Nb6 16. Qb4 Qxb4 17. axb4 Bc4 18. Bd3 Bxd3 19. cxd3 a6 20. Rc1 Kg7 1/2-1/2