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ECO	Opening Name		DOWNLOAD!
B50	Sicilian defense	B50	1.e4-c5; 2.Nf3-d6
	1) Wing gambit deferred		3.b4
	2) Rest in B50		Rest
B51	Sicilian defense: Canal-	B51	1.e4-c5; 2.Nf3-d6; 3.Bb5
	Sokolsky (Nimzovich-
	Rossolimo, Moscow) attack
			Eco B51
B52	Sicilian defense: Canal-	B52	1.e4-c5; 2.Nf3-d6;
	Sokolsky attack (3...Bd7)		3.Bb5-Bd7
	1) Bronstein gambit		4.Bxd7-Qxd7; 5.O-O-Nc6;
			6.c3-Nf6; 7.d4
	2) Sokolsky variation		4.Bxd7-Qxd7; 5.c4
	3) Rest in B52		Rest
B53	Sicilian defense:	B53	1.e4-c5; 2.Nf3-d6;
	Chekhover variation		3.d4-cxd4; 4.Qxd4
	1) Zaitsev variation		4...Nc6; 5.Bb5-Qd7
	2) Rest in B53		Rest
B54	Sicilian defense	B54	1.e4-c5; 2.Nf3-d6;
			3.d4-cxd4; 4.Nxd4
	1) Prins (Moscow) variation		4...Nf6; 5.f3
	2) Rest in B54		Rest
B55	Sicilian defense: Prins	B55	1.e4-c5; 2.Nf3-d6;
	variation, Venice attack		3.d4-cxd4; 4.Nxd4-Nf6;
			5.f3-e5; 6.Bb5
			Eco B55
B56	Sicilian defense	B56	1.e4-c5; 2.Nf3-d6;
			3.d4-cxd4; 4.Nxd4-Nf6;
			5.Nc3
	1) Venice attack		5...e5; 6.Bb5
	2) 5...Nc6 variation		5...Nc6
	3) Rest in B56		Rest
B57	Sicilian defense: Sozin, not	B57	1.e4-c5; 2.Nf3-d6;
	Scheveningen		3.d4-cxd4; 4.Nxd4-Nf6;
			5.Nc3-Nc6; 6.Bc4
	1) Magnus Smith trap		6...g6; 7.Nxc6-bxc6; 8.e5
	2) Benko variation		6...Qb6
	3) Rest in B57		Rest
B58	Sicilian defense: classical	B58	1.e4-c5; 2.Nf3-d6;
			3.d4-cxd4; 4.Nxd4-Nf6;
			5.Nc3-Nc6; 6.Be2
	1) Boleslavsky variation		6...e5
	2) Rest in B58		Rest
B59	Sicilian defense:	B59	1.e4-c5; 2.Nf3-d6;
	Boleslavsky variation		3.d4-cxd4; 4.Nxd4-Nf6;
	(7.Nb3)		5.Nc3-Nc6; 6.Be2-e5;
			7.Nb3
			Eco B59

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