Home › Openings › Blackmar-Diemer Gambit › Blackmar-Diemer Gambit: Lemberger Countergambit Blackmar-Diemer Gambit: Lemberger Countergambit, Lange Gambit ECO D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nxe4 Related variationsBlackmar-Diemer Gambit: Lemberger Countergambit, Endgame VariationBlackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen AttackBlackmar-Diemer Gambit: Lemberger Countergambit, Sneiders AttackBlackmar-Diemer Gambit: Lemberger Countergambit, Soller Attack Practice this opening · Play against the computer