Tree path 5 levels Queen's Pawn Game › Blackmar-Diemer Gambit › Blackmar-Diemer Gambit › Blackmar-Diemer Gambit Accepted › Ziegler Defense
D00

Blackmar-Diemer Gambit Accepted: Ziegler Defense

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Overview

Blackmar-Diemer Gambit Accepted: Ziegler Defense is a gambit, classified under ECO code D00 within the Closed & Semi-Closed Games family. As with all gambits, one side sacrifices material early — usually a pawn — in exchange for development, open lines, or initiative.

The Closed & Semi-Closed Games group covers closed and semi-closed games — 1.d4 systems characterised by long strategic manoeuvring rather than early tactics.

It begins with 10 plies and takes 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6 to reach the canonical position.

It is a variation of Blackmar-Diemer Gambit Accepted, which itself descends from the root opening Queen's Pawn Game.

Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.

ECO code
D00
Group
Closed & Semi-Closed Games (D)
Plies
10
Parent
Blackmar-Diemer Gambit Accepted

This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.

Statistics from Lichess

292,652 games · White 53.7% / Draw 4.0% / Black 42.3%

MovesGamesW / D / B
Bc4164,710
Bd381,673
Bg521,249
Be312,615
h34,518
Bf43,453
Be22,027
Ne51,655

Source: Lichess Opening Explorer · cached 2026-09-26 02:20:08

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