D23	Queen's Gambit
	Accepted
	1.d4 d5 2.c4 dxc4 3.Nf3 Nf6
D23	Queen's Gambit
	Accepted, Mannheim Variation
	1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Qa4