Variations
Blackmar-Diemer Gambit
dxe4 3. Nc3 Nf6
Blackmar-Diemer Gambit: Blackmar Gambit
dxe4 3. f3
Blackmar-Diemer Gambit: Fritz Attack
dxe4 3. Bc4
Blackmar-Diemer Gambit: Lemberger Countergambit
dxe4 3. Nc3 e5
Blackmar-Diemer Gambit: Netherlands Variation
dxe4 3. Nc3 f5
Blackmar-Diemer Gambit: Reversed Albin Countergambit
dxe4 3. Nc3 c5
Blackmar-Diemer Gambit: Zeller Defense
dxe4 3. Nc3 Bf5