Blackmar-Diemer Gambit Declined: Gedult Defense
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 a6
The Blackmar-Diemer Gambit Declined: Gedult Defense is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 a6. It is a line of the Blackmar-Diemer Gambit Declined. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 7 times by this move order. White won 43%, 0% were drawn and Black won 57%. The most popular continuation is 5. fxe4 (57% of games).
Engine evaluation: +0.57 (Stockfish, depth 32; best line 5. fxe4 e5 6. dxe5 Qxd1+ 7. Kxd1 Ng4)
- ECO
- D00
- Moves
- 8 plies
- FEN
rnbqkb1r/1pp1pppp/p4n2/8/3Pp3/2N2P2/PPP3PP/R1BQKBNR w KQkq - 0 5- PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 a6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 3 | |
| 1500-1999 | 4 | |
| All | 7 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5. fxe4 | 4 (57%) | |
| 5. a4 | 1 (14%) | |
| 5. Bc4 | 1 (14%) | |
| 5. Be3 | 1 (14%) |
Highest-rated Lichess games
- razidavod (1844) – Turlubaev_Rassul (1911) 1-0 · 2026-09-02 · 180 + 0s
- Andrei_Kostroma (1803) – Mr_Noble (1827) 0-1 · 2026-09-03 · 180 + 0s
- fiste0406 (1774) – Albertonidas (1798) 0-1 · 2026-09-04 · 1800 + 0s
Comes from
Blackmar-Diemer Gambit (3. Nc3 Nf6) 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6
More Blackmar-Diemer Gambit Declined lines (all)
- Blackmar-Diemer Gambit Declined: Brombacher Countergambit D00
- Blackmar-Diemer Gambit Declined: Elbert Countergambit D00
- Blackmar-Diemer Gambit Declined: Lamb Defense D00
- Blackmar-Diemer Gambit Declined: Langeheinicke Defense D00
- Blackmar-Diemer Gambit Declined: O'Kelly Defense D00
- Blackmar-Diemer Gambit Declined: Vienna Defense D00
- Blackmar-Diemer Gambit Declined: Weinsbach Defense D00
- Blackmar-Diemer Gambit Declined: Weinsbach Defense, Pfrang Gambit D00
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.