E40	Nimzo-Indian Defence
	4.e3
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3
E40	Nimzo-Indian Defence
	4.e3, Taimanov Variation
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 Nc6