Blackmar-Diemer Gambit

1.d4 d5 2.e4

ECO D00

The Blackmar-Diemer Gambit is a chess opening reached after 1.d4 d5 2.e4, catalogued under code D00 in the Encyclopaedia of Chess Openings (ECO).

The defining move e4 is chosen by White on move 2.

9 named continuations branch from this position, including the Blackmar Gambit and the Diemer-Rosenberg Attack.

Named variations

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