Queen's gambit declined: 4.Bg5, Cambridge Sprins, Anti-Neo-Orthodox, Lasker and Tartakower system

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ECO	Opening Name		DOWNLOAD!

D50	Queen's gambit declined	D50	1.d4-d5; 2.c4-e6;
	(4.Bg5)		3.Nc3-Nf6; 4.Bg5
	1) Been-Koomen variation		4...c5
	2) Rest in D50		Rest

D51	Queen's gambit declined	D51	1.d4-d5; 2.c4-e6;
	(4.Bg5-Nbd7)		3.Nc3-Nf6; 4.Bg5-Nbd7
	1) Rochlin variation		5.Nf3-c6; 6.Rc1-Qa5; 7.Bd2
			(0 games)
	2) Alekhine variation		5.Nf3-c6; 6.e4
	3) 5.e3 variation		5.e3
	4) Rest in D51		Rest

D52	Queen's gambit declined	D52	1.d4-d5; 2.c4-e6;
			3.Nc3-Nf6; 4.Bg5-Nbd7;
			5.e3-c6; 6.Nf3
	1) Cambridge Springs defense		6...Qa5
	2) Rest in D52		Rest

D53	Queen's gambit declined	D53	1.d4-d5; 2.c4-e6;
	(4.Bg5-Be7)		3.Nc3-Nf6; 4.Bg5-Be7
	1) Lasker variation		5.e3-Ne4
	2) 5.e3-O-O variation		5.e3-O-O
	3) Rest in D53		Rest

D54	Queen's gambit declined:	D54	1.d4-d5; 2.c4-e6;
	Anti-neo-orthodox variation		3.Nc3-Nf6; 4.Bg5-Be7;
			5.e3-O-O; 6.Rc1
			Eco D54

D55	Queen's gambit declined	D55	1.d4-d5; 2.c4-e6;
	(6.Nf3)		3.Nc3-Nf6; 4.Bg5-Be7;
			5.e3-O-O; 6.Nf3
	1) Pillsbury attack		6...b6; 7.Bd3-Bb7; 8.cxd5 exd5;
			9.Ne5
	2) Neo-orthodox variation		6...h6
	3) Rest in D55		Rest

D56	Queen's gambit declined:	D56	1.d4-d5; 2.c4-e6;
	Lasker defense		3.Nc3-Nf6; 4.Bg5-Be7;
			5.e3-O-O; 6.Nf3-h6;
			7.Bh4-Ne4
	1) Teichmann variation		8.Bxe7-Qxe7; 9.Qc2
	2) Rest in D56		Rest

D57	Queen's gambit declined:	D57	1.d4-d5; 2.c4-e6;
	Lasker defense, main line		3.Nc3-Nf6; 4.Bg5-Be7;
			5.e3-O-O; 6.Nf3-h6;
			7.Bh4-Ne4; 8.Bxe7-Qxe7;
			9.cxd5-Nxc3; 10.bxc3
	1) Bernstein variation		10...exd5; 11.Qb3-Qd6
	2) Rest in D57		Rest

D58	Queen's gambit declined:	D58	1.d4-d5; 2.c4-e6;
	Tartakower (Makagonov-		3.Nc3-Nf6; 4.Bg5-Be7;
	Bondarevsky) system		5.e3-O-O; 6.Nf3-h6;
			Eco D58

D59	Queen's gambit declined:	D59	1.d4-d5; 2.c4-e6;
	Tartakower (Makagonov-		3.Nc3-Nf6; 4.Bg5-Be7;
	Bondarevsky) system		5.e3-O-O; 6.Nf3-h6;
	(8.cxd5-Nxd5)		7.Bh4-b6; 8.cxd5-Nxd5

	1) Tartakower variation		9.Bxe7-Qxe7; 10.Nxd5-exd5;
			11.Rc1-Be6
	2) Rest in D59		Rest