Related Openings
Nimzo-Indian - Romanishin-Kasparov (Steiner) system	d4, Nf6, c4, e6, Nc3, Bb4, g3
Nimzo-Indian - Mikenas attack	d4, Nf6, c4, e6, Nc3, Bb4, Qd3
Nimzo-Indian defense	d4, Nf6, c4, e6, Nc3, Bb4