E20	Nimzo-Indian Defence
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
E20	Nimzo-Indian Defence
	Kmoch Variation
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3
E20	Nimzo-Indian Defence
	Mikenas Attack
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qd3
E20	Nimzo-Indian Defence
	Romanishin-Kasparov (Steiner) System
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3