Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation

1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.dxe5

ECO D00

The Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation is a chess opening line in the Blackmar-Diemer Gambit complex, reached after 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.dxe5.

It is catalogued under code D00 in the Encyclopaedia of Chess Openings (ECO).

The defining move dxe5 is chosen by White on move 4.

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.