The Declined: Weinsbach Defense, Pfrang Gambit is a variation of the Blackmar-Diemer Gambit, catalogued as ECO D00. The line runs 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e6 5. fxe4, reaching the position shown below after 9 half-moves.
White holds the centre with pawns on d4 and e4. Development is level at one minor pieces each. It is Black to move after five moves.
On the Blackmar-Diemer Gambit generally: ECO D00. A chess opening with 18 known variations.
You can play through this variation move by move in your browser — Learn mode walks the line with an explanation at each step, and Drill mode replays it from memory so you find out whether you actually know it. No account is required.
See all 3 Blackmar-Diemer Gambit variations →
The Declined: Weinsbach Defense, Pfrang Gambit goes 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e6 5. fxe4. It is a variation of the Blackmar-Diemer Gambit and is catalogued as ECO D00.
The Declined: Weinsbach Defense, Pfrang Gambit is ECO D00. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Blackmar-Diemer Gambit.
Stockfish evaluates the position after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e6 5. fxe4 at +0.68 at depth 18, which is a small but real edge for White. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
White holds the centre with pawns on d4 and e4. Development is level at one minor pieces each. It is Black to move.