E21	Nimzo-Indian Defence
	three Knights Variation
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3
E21	Nimzo-Indian Defence
	three Knights, Korchnoi Variation
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.d5
E21	Nimzo-Indian Defence
	three Knights, Euwe Variation
	1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.d5 Ne4