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Encyclopedia of Chess Openings

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ECO	Opening Name		DOWNLOAD!
C40	King's knight opening	C40	1.e4-e5; 2.Nf3
	1) Gunderam defense		2...Qe7
	2) Greco defense		2...Qf6
	3) Damiano's defense		2...f6
	4) Queen's pawn counter-gambit		2...d5
	(elephant gambit)
	5) Latvian counter-gambit		2...f5
	6) Rest in C40		Rest
C41	Philidor's defense	C41	1.e4-e5; 2.Nf3-d6
	1) Steinitz variation		3.Bc4-Be7; 4.c3
	2) Lopez counter-gambit		3.Bc4-f5
	3) 3.d4 variation		3.d4
	4) Rest in C41		Rest
C42	Petrov's defense	C42	1.e4-e5; 2.Nf3-Nf6
	1) French attack		3.Nxe5-d6; 4.Nf3-Nxe4; 5.d3
	2) Kaufmann attack		3.Nxe5-d6; 4.Nf3-Nxe4; 5.c4
	3) Nimzovich attack		3.Nxe5-d6; 4.Nf3-Nxe4; 5.Nc3
	4) Cozio (Lasker) attack		3.Nxe5-d6; 4.Nf3-Nxe4; 5.Qe2
	5) Classical attack		3.Nxe5-d6; 4.Nf3-Nxe4; 5.d4
	6) Cochrane gambit		3.Nxe5-d6; 4.Nxf7
	7) Paulsen attack		3.Nxe5-d6; 4.Nc4
	8) Damiano variation		3.Nxe5-Nxe4
	9) Three knights game		3.Nc3
	10) Italian variation		3.Bc4
	11) Rest in C42		Rest
C43	Petrov: modern (Steinitz)	C43	1.e4-e5; 2.Nf3-Nf6;
	attack		3.d4
	1) Main line		3...exd4; 4.e5-Ne4; 5.Qxd4
	2) Steinitz variation		3...exd4; 4.e5-Ne4; 5.Qe2
	3) Urusov gambit		3...exd4; 4.Bc4
	4) Symmetrical variation		3...Nxe4
	5) Rest in C43		Rest
C44	King's pawn game	C44	1.e4-e5; 2.Nf3-Nc6
	1) Irish (Chicago) gambit		3.Nxe5-Nxe5; 4.d4
	2) Konstantinopolsky opening		3.g3
	3) Dresden opening		3.c4
	4) Inverted Hungarian		3.Be2
	5) Ponziani opening		3.c3
	6) Scotch game		3.d4
	7) Rest in C44		Rest
C45	Scotch game	C45	1.e4-e5; 2.Nf3-Nc6;
			3.d4-exd4;  4.Nxd4
	1) Ghulam Kassim variation		4...Nxd4; 5.Qxd4-d6; 6.Bd3
	2) Pulling counter-attack		4.Qh4
	3) Schmidt variation		4...Nf6
	4) 4...Bc5 variation		4...Bc5
	5) Rest in C45		Rest
C46	Three knights game	C46	1.e4-e5; 2.Nf3-Nc6;
			3.Nc3
	1) Schlechter variation		3...Bb4; 4.Nd5-Nf6
	2) Winawer defense (Gothic		3...f5
	defense)
	3) Steinitz variation		3...g6
	4) 3...Nf6 variation		3...Nf6
	5) Rest in C46		Rest
C47	Four knights game: Scotch	C47	1.e4-e5; 2.Nf3-Nc6;
	variation		3.Nc3-Nf6; 4.d4
	1) Krause variation		4...Bb4; 5.Nxe5
	2) 4...exd4 variation		4...exd4
	3) Rest in C47		Rest
C48	Four knights game: Spanish	C48	1.e4-e5; 2.Nf3-Nc6;
	variation		3.Nc3-Nf6; 4.Bb5
	1) Ranken variation		4...a6; 5.Bxc6
	2) Classical defense		4...Bc5
	3) Rubinstein counter-gambit		4...Nd4
	4) Rest in C48		Rest
C49	Four knights game: double	C49	1.e4-e5; 2.Nf3-Nc6;
	Ruy Lopez		3.Nc3-Nf6; 4.Bb5-Bb4
	1) Gunsberg counter-attack		5.O-O O-O; 6.Nd5-Nxd5;
			7.exd5-e4
	2) 6.d3 variation		5.O-O O-O; 6.d3
	3) Nimzovich (Paulsen) variation		5.O-O O-O; 6.Bxc6
	4) Rest in C49		Rest

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