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Encyclopedia of Chess Openings

Eco Code

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  • A00-A99
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ECO	Opening Name		DOWNLOAD!
E40	Nimzo-Indian defense	E40	1.d4-Nf6; 2.c4-e6;
	(4.e3)		3.Nc3-Bb4; 4.e3
	1) Taimanov variation		4...Nc6
	2) Rest in E40		Rest
E41	Nimzo-Indian defense	E41	1.d4-Nf6; 2.c4-e6;
	(4.e3-c5)		3.Nc3-Bb4; 4.e3-c5
	1) Huebner variation		5.Bd3-Nc6; 6.Nf3-Bxc3; 7.bxc3-d6
	2) Rest in E41		Rest
E42	Nimzo-Indian defense:	E42	1.d4-Nf6; 2.c4-e6;
	(4.e3-c5; 5.Ne2) (Rubinstein		3.Nc3-Bb4; 4.e3-c5; 5.Ne2
	variation)
			Eco E42
E43	Nimzo-Indian defense:	E43	1.d4-Nf6; 2.c4-e6;
	Fischer variation		3.Nc3-Bb4; 4.e3-b6
			Eco E43
E44	Nimzo-Indian defense:	E44	1.d4-Nf6; 2.c4-e6;
	Fischer variation (5.Ne2)		3.Nc3-Bb4; 4.e3-b6; 5.Ne2
			Eco E44
E45	Nimzo-Indian defense	E45	1.d4-Nf6; 2.c4-e6;
	(4.e3): Bronstein (Byrne)		3.Nc3-Bb4; 4.e3-b6;
	variation		5.Ne2-Na6
			Eco E45
E46	Nimzo-Indian defense	E46	1.d4-Nf6; 2.c4-e6;
	(4.e3-O-O)		3.Nc3-Bb4; 4.e3-O-O
	1) Reshevsky variation		5.Nge2
	2) Rest in E46		Rest
E47	Nimzo-Indian defense	E47	1.d4-Nf6; 2.c4-e6;
	(4.e3-O-O; 5.Bd3)		3.Nc3-Bb4; 4.e3-O-O;
			5.Bd3
			Eco E47
E48	Nimzo-Indian defense	E48	1.d4-Nf6; 2.c4-e6;
	(4.e3-O-O; 5.Bd3-d5)		3.Nc3-Bb4; 4.e3-O-O;
			5.Bd3-d5
			Eco E48
E49	Nimzo-Indian defense	E49	1.d4-Nf6; 2.c4-e6;
	(4.e3): Botvinnik system		3.Nc3-Bb4; 4.e3-O-O;
			5.Bd3-d5; 6.a3-Bxc3;
			7.bxc3
			Eco E49

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