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

Blackmar-Diemer Gambit Accepted: Kaulich Defense

Open in Lichess
Share: X Reddit Telegram Facebook
Play from here → Click pieces to play, or use ← / → arrows.

Overview

Blackmar-Diemer Gambit Accepted: Kaulich 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.

Play reaches this position via 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c5, after 10 plies of opening development.

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

20,091 games · White 48.7% / Draw 5.2% / Black 46.1%

MovesGamesW / D / B
d512,967
Bb5+1,689
Be31,360
Bc41,348
Bd31,148
dxc5810
Bg5380
Bf4306

Source: Lichess Opening Explorer · cached 2026-09-26 02:19:52

Write a description

Markdown supported (headings ###, bold, lists, links). Submissions are reviewed before publishing.