Related Openings
QGA - Classical, Rubinstein Variation	d4, d5, c4, dxc4, Nf3, Nf6, e3, e6, Bxc4, c5, O-O, a6, a4
QGA - Classical, 6...a6	d4, d5, c4, dxc4, Nf3, Nf6, e3, e6, Bxc4, c5, O-O, a6