Related Openings
Blackmar-Diemer - Lemberg counter-gambit	d4, d5, Nc3, Nf6, e4, e5
Blackmar-Diemer - Euwe defense	d4, d5, Nc3, Nf6, e4, dxe4, f3, exf3, Nxf3, e6
Blackmar-Diemer gambit	d4, d5, Nc3, Nf6, e4
Queen's pawn - Chigorin Variation	d4, d5, Nc3
Queen's pawn - Stonewall attack	d4, d5, e3, Nf6, Bd3
Blackmar gambit	d4, d5, e4
Levitsky attack (Queen's Bishop attack)	d4, d5, Bg5
Queen's pawn, Mason Variation , Steinitz counter-gambit	d4, d5, Bf4, c5
Queen's pawn, Mason Variation	d4, d5, Bf4