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Encyclopedia of Chess Openings

Eco Code

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  • A00-A99
    • A00-A09
    • A10-A19
    • A20-A29
    • A30-A39
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  • B00-B99
    • B00-B09
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  • D00-D99
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  • E00-E99
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ECO	Opening Name		DOWNLOAD!
E30	Nimzo-Indian defense:	E30	1.d4-Nf6; 2.c4-e6;
	Leningrad variation		3.Nc3-Bb4; 4.Bg5
	1) 6...b5 gambit		4...h6; 5.Bh4-c5; 6.dxc5-b5 (0
			games)
	2) Rest in E30		Rest
E31	Nimzo-Indian defense:	E31	1.d4-Nf6; 2.c4-e6;
	Leningrad variation, main		3.Nc3-Bb4; 4.Bg5-h6;
	line		5.Bh4-c5; 6.dxc5-d6
			Eco E31
E32	Nimzo-Indian defense:	E32	1.d4-Nf6; 2.c4-e6;
	classical variation		3.Nc3-Bb4; 4.Qc2
	1) Adorjan gambit		4...O-O; 5.a3-Bxc3; 6.Qxc3-b5
	2) Rest in E32		Rest
E33	Nimzo-Indian defense:	E33	1.d4-Nf6; 2.c4-e6;
	classical variation (4...Nc6)		3.Nc3-Bb4; 4.Qc2-Nc6
	1) Milner- Barry (Zurich) variation		5.Nf3-d6
	2) Rest in E33		Rest
E34	Nimzo-Indian defense:	E34	1.d4-Nf6; 2.c4-e6;
	classical variation, Noa		3.Nc3-Bb4; 4.Qc2-d5
	variation
			Eco E34
E35	Nimzo-Indian defense:	E35	1.d4-Nf6; 2.c4-e6;
	variation, Noa variation		3.Nc3-Bb4; 4.Qc2-d5;
	(5.cxd5-Nxd5)		5.cxd5-Nxd5
			Eco E35
E36	Nimzo-Indian defense:	E36	1.d4-Nf6; 2.c4-e6;
	classical variation, Noa		3.Nc3-Bb4; 4.Qc2-d5;
	variation (5.a3)		5.a3
	1) Botvinnik variation		5...Bxc3; 6.Qxc3-Nc6
	2) Main line		5...Bxc3; 6.Qxc3-Ne4
	3) Rest in E36		Rest
E37	Nimzo-Indian defense:	E37	1.d4-Nf6; 2.c4-e6;
	classical variation, Noa		3.Nc3-Bb4; 4.Qc2-d5;
	variation, main line		5.a3-Bxc3; 6.Qxc3-Ne4;
			7.Qc2
	1) San Remo variation		7...Nc6; 8.e3-e5
	2) Rest in E37		Rest
E38	Nimzo-Indian defense:	E38	1.d4-Nf6; 2.c4-e6;
	classical variation (4...c5)		3.Nc3-Bb4; 4.Qc2-c5
			Eco E38
E39	Nimzo-Indian defense:	E39	1.d4-Nf6; 2.c4-e6;
	classical variation, Pirc		3.Nc3-Bb4; 4.Qc2-c5;
	variation		5.dxc5-O-O
			Eco E39

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