Gligoric vs Taimanov, 1953  (E21) Nimzo-Indian, Three Knights, 32 moves, 1/2-1/2 Petrosian vs Bronstein, 1953  (E04) Catalan, Open, 5.Nf3, 17 moves, 1/2-1/2 Averbakh vs Reshevsky, 1953  (E59) Nimzo-Indian, 4.e3, Main line, 33 moves, 1/2-1/2 3 games