4.e3, Parma Variation Gligoric vs Smyslov, 1954 (E52) Nimzo-Indian, 4.e3, Main line with ...b6, 41 moves, 1/2-1/2 4.e3 Rubenstein Lautier vs Carlsen, 2005  (E55) Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation, 66 moves, 0-1 2 games