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Encyclopedia of Chess Openings

Eco Code

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  • A00-A99
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    • A20-A29
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  • B00-B99
    • B00-B09
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  • C00-C99
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  • D00-D99
    • D00-D09
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  • E00-E99
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ECO	Opening Name		DOWNLOAD!
E00	Queen's pawn game	E00	1.d4-Nf6; 2.c4-e6
	1) Neo-Indian (Seirawan) attack		3.Bg5
	2) Catalan opening		3.g3
	3) Rest in E00		Rest
E01	Catalan: closed variation	E01	1.d4-Nf6; 2.c4-e6;
			3.g3-d5; 4.Bg2
			Eco E01
E02	Catalan: open variation	E02	1.d4-Nf6; 2.c4-e6;
	(5.Qa4)		3.g3-d5; 4.Bg2-dxc4;
			5.Qa4
			Eco E02
E03	Catalan: open, Alekhine	E03	1.d4-Nf6; 2.c4-e6;
	variation		3.g3-d5; 4.Bg2-dxc4;
			5.Qa4-Nbd7; 6.Qxc4-a6;
			7.Qc2
			Eco E03
E04	Catalan: open variation	E04	1.d4-Nf6; 2.c4-e6;
	(5.Nf3)		3.g3-d5; 4.Bg2-dxc4;
			5.Nf3
			Eco E04
E05	Catalan: open variation,	E05	1.d4-Nf6; 2.c4-e6;
	classical line		3.g3-d5; 4.Bg2-dxc4;
			5.Nf3-Be7
			Eco E05
E06	Catalan: closed (5.Nf3)	E06	1.d4-Nf6; 2.c4-e6;
			3.g3-d5; 4.Bg2-Be7; 5.Nf3
			Eco E06
E07	Catalan: closed (6...Nbd7)	E07	1.d4-Nf6; 2.c4-e6;
			3.g3-d5; 4.Bg2-Be7;
			5.Nf3-O-O; 6.O-O-Nbd7
	1) Botvinnik variation		7.Nc3-c6; 8.Qd3
	2) Rest in E07		Rest
E08	Catalan: closed (7.Qc2)	E08	1.d4-Nf6; 2.c4-e6;
			3.g3-d5; 4.Bg2-Be7;
			5.Nf3-O-O; 6.O-O-Nbd7;
			7.Qc2
	1) Zagoryansky variation		7...c6; 8.Rd1-b6; 9.a4
	2) 7.Qc2, 8.b3 variation		7...c6; 8.b3
	3) Rest in E08		Rest
E09	Catalan: closed, main line	E09	1.d4-Nf6; 2.c4-e6;
			3.g3-d5; 4.Bg2-Be7;
			5.Nf3-O-O; 6.O-O-Nbd7;
			7.Qc2-c6; 8.Nbd2
	1) Sokolsky variation		8...b6; 9.b3-a5; 10.Bb2-Ba6
	2) Rest in E09		Rest

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