Blackmar-Diemer Gambit Accepted: Ziegler Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6

Blackmar-Diemer Gambit Accepted: Ziegler Defense after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6 87654321abcdefgh

The Blackmar-Diemer Gambit Accepted: Ziegler Defense is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6. It is a line of the Blackmar-Diemer Gambit Accepted. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 225 times by this move order. White won 50%, 2% were drawn and Black won 48%. The most popular continuation is 6. Bd3 (40% of games).

Engine evaluation: −0.52 (Stockfish, depth 49; best line 6. h3 Bf5 7. Bd3 Bg6 8. Qe2 e6)

ECO
D00
Moves
10 plies
FEN
rnbqkb1r/pp2pppp/2p2n2/8/3P4/2N2N2/PPP3PP/R1BQKB1R w KQkq - 0 6
PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-14992148%52%
1500-199914150%49%
2000+6351%43%
All22550%48%

Most played moves

MoveGamesWhite / draw / Black
6. Bd391 (40%)47%51%
6. Bc490 (40%)53%42%
6. Be312 (5%)33%67%
6. h311 (5%)73%27%
6. Bg511 (5%)55%45%
6. Ne53 (1%)100%
6. Be22 (1%)50%50%
6. Bf42 (1%)50%50%

Master games

35 over-the-board games are classified under this line (White 54%, draw 9%, Black 37%). The strongest:

Search all games of the Blackmar-Diemer Gambit Accepted: Ziegler Defense and its sub-variations

Highest-rated Lichess games

Comes from

Blackmar-Diemer Gambit Accepted 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3

More Blackmar-Diemer Gambit Accepted lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.