Blackmar-Diemer Gambit

Chess opening · ECO D00 · 3 half-moves

1. d4 d5 2. e4

The Blackmar-Diemer Gambit is reached after 1. d4 d5 2. e4. It is Black's move in the position shown.

It branches from the Queen's Pawn Game with 1… d5 2. e4.

How often it is played

The Blackmar-Diemer Gambit and its variations appeared in 0.48% of games — 14,323 of 3,000,000 rated games sampled from Lichess in September 2026. That makes it number 93 of the openings listed here.

Results

White won 52%, 3.1% were drawn and Black won 45%. These are games between players of every strength and time control, so they say how the opening does in practice rather than how sound it is.

What the engine thinks

Stockfish, at depth 18, evaluates the position at -0.65 — a clear edge for Black. Positive numbers favour White; see reading the evaluation bar.

Similar openings

The most-played alternatives — what else could have been chosen around the move where this opening begins.

OpeningMovesShare of games
Indian Defense1. d4 Nf65.1%
Queen's Gambit1. d4 d5 2. c44.5%
Queen's Pawn Game: Zukertort Variation1. d4 d5 2. Nf32.3%

Main continuations

VariationMovesShare of games
Blackmar-Diemer Gambit Accepted1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf30.12%
Blackmar-Diemer Gambit: Blackmar Gambit1. d4 d5 2. e4 dxe4 3. f30.06%
Blackmar-Diemer Gambit: von Popiel Gambit1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg50.03%
Blackmar-Diemer Gambit: Zeller Defense1. d4 d5 2. e4 dxe4 3. Nc3 Bf50.03%
Blackmar-Diemer Gambit: Netherlands Variation1. d4 d5 2. e4 dxe4 3. Nc3 f50.02%
Blackmar-Diemer Gambit Declined: Vienna Defense1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf50.02%
Blackmar-Diemer Gambit Declined: Weinsbach Defense1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e60.01%
Blackmar-Diemer Gambit: Lemberger Countergambit1. d4 d5 2. e4 dxe4 3. Nc3 e50.01%

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