Related Openings
Beefeater defense	d4, g6, c4, Bg7, Nc3, c5, d5, Bxc3+, bxc3, f5
Queen's pawn - Franco-Indian (Keres) defense	d4, e6, c4, Bb4+
Queen's pawn - Keres defense	d4, e6, c4, b6
Polish defense	d4, b5
Queen's pawn - English defense	d4, b6
Queen's pawn - Englund gambit	d4, e5, dxe5, Nc6, Nf3, Qe7, Qd5, f6, exf6, Nxf6
Queen's pawn - Charlick (Englund) gambit	d4, e5