I Lipnitsky vs Petrosian, 1951  (C50) Giuoco Piano, 40 moves, 0-1 Petrosian vs Kotov, 1951  (E68) King's Indian, Fianchetto, Classical Variation, 8.e4, 52 moves, 1-0 Petrosian vs Smyslov, 1951  (D15) Queen's Gambit Declined Slav, 51 moves, 1-0 Szabo vs Petrosian, 1952  (B93) Sicilian, Najdorf, 6.f4, 47 moves, 0-1 Reshevsky vs Petrosian, 1953  (E58) Nimzo-Indian, 4.e3, Main line with 8...Bxc3, 41 moves, 1/2-1/2 R Nezhmetdinov vs Petrosian, 1954  (B94) Sicilian, Najdorf, 44 moves, 0-1 Petrosian vs Taimanov, 1955  (D46) Queen's Gambit Declined Semi-Slav, 24 moves, 1-0 7 games