D53	Queen's Gambit
	Declined, 4.Bg5 Be7
	1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7
D53	Queen's Gambit
	Declined, Lasker Variation
	1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 Ne4
D53	Queen's Gambit
	Declined, 4.Bg5 Be7, 5.e3 O-O
	1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O