Closed games

Blackmar-Diemer Gambit Accepted

1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3

The Blackmar-Diemer Gambit Accepted starts with 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 and is catalogued under ECO D00, in the closed games half of the book. The catalog indexes 22 lines inside it, grouped into 22 named variations, and the position after those moves has 10 playable continuations to walk from here.

Opening repertoire map

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Current position
Blackmar-Diemer Gambit Accepted
Popularity by Elo
Share of Lichess blitz, rapid, and classical games that continued with each move.
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Current setup

Move ideas

  1. 1.d4

    Takes central space with a protected pawn and frees the queen’s bishop.

    Idea: Build a stable center that supports a broad positional setup.

  2. 1…d5

    Mirrors White’s central claim and prevents an easy e4 expansion.

    Idea: Establish a firm center and develop behind the pawn chain.

  3. 2.e4

    Advances to e4 to claim central space and control nearby key squares.

    Idea: Give the pieces room to develop behind a durable central foothold.

  4. 2…dxe4

    Captures the pawn on e4 and changes the local pawn or piece balance.

    Idea: Open lines in the center and reshape the center for the next phase.

  5. 3.Nc3

    Develops the knight to c3, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  6. 3…Nf6

    Develops the knight to f6, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  7. 4.f3

    Advances the f-pawn to gain kingside space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  8. 4…exf3

    Captures the pawn on f3 and changes the local pawn or piece balance.

    Idea: Open lines in the kingside and reshape the center for the next phase.

  9. 5.Nxf3

    Captures the pawn on f3 and changes the local pawn or piece balance.

    Idea: Remove an active defender and improve the moving piece’s influence.

Book continuations

Waiting for Lichess game popularity.

10 moves
g6Blackmar-Diemer Gambit Accepted: Bogoljubow Defense5 named lines · Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack · Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog AttackAdvances the g-pawn to gain kingside space and control new squares.Idea: Create useful wing space while keeping the central structure flexible.Bg4Blackmar-Diemer Gambit Accepted: Teichmann Defense4 named lines · Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack · Blackmar-Diemer Gambit Accepted: Teichmann Defense, Classical VariationDevelops the bishop to g4, bringing it into the game.Idea: Improve piece coordination and clear the back rank for castling and the rooks.e6Blackmar-Diemer Gambit Accepted: Euwe Defense3 named lines · Blackmar-Diemer Gambit Accepted: Euwe Defense, Duthilleul Gambit · Blackmar-Diemer Gambit Accepted: Euwe Defense, Zilbermints GambitAdvances to e6 to claim central space and control nearby key squares.Idea: Give the pieces room to develop behind a durable central foothold.Bf5Blackmar-Diemer Gambit Accepted: Gunderam Defense2 named lines · Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader VariationDevelops the bishop to f5, bringing it into the game.Idea: Improve piece coordination and clear the back rank for castling and the rooks.b6Blackmar-Diemer Gambit Accepted: Ritter Defense1 named lineAdvances the b-pawn to gain queenside space and control new squares.Idea: Create useful wing space while keeping the central structure flexible.c5Blackmar-Diemer Gambit Accepted: Kaulich Defense1 named lineAdvances the c-pawn to gain queenside space and control new squares.Idea: Create useful wing space while keeping the central structure flexible.c6Blackmar-Diemer Gambit Accepted: Ziegler Defense1 named lineAdvances the c-pawn to gain queenside space and control new squares.Idea: Create useful wing space while keeping the central structure flexible.Nbd7Blackmar-Diemer Gambit Accepted: Schlutter Defense1 named lineDevelops the knight to d7, bringing it into the game.Idea: Improve piece coordination and clear the back rank for castling and the rooks.Nc6Blackmar-Diemer Gambit Accepted: Pietrowsky Defense1 named lineDevelops the knight to c6, bringing it into the game.Idea: Improve piece coordination and clear the back rank for castling and the rooks.Qd6Blackmar-Diemer Gambit Accepted: Holwell Defense1 named lineRepositions the queen to d6, where it influences a new part of the board.Idea: Coordinate threats carefully while avoiding unnecessary tempi against the queen.

Named variations

Each line below is an indexed entry under Blackmar-Diemer Gambit Accepted. Open one to load it on the board and keep exploring from that position.

Openings from the same volume

ECO groups openings by the structures they lead to, so these families tend to share plans with the Blackmar-Diemer Gambit Accepted.