Blackmar-Diemer Gambit Accepted
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3
The Blackmar-Diemer Gambit Accepted is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3. White is to move. 11 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 7,290 times by this move order. White won 55%, 4% were drawn and Black won 41%. The most popular continuation is 5. Nxf3 (68% of games).
Engine evaluation: −0.61 (Stockfish, depth 55; best line 5. Nxf3 g6 6. Bf4 Bg7 7. Qd2 c6)
- ECO
- D00
- Moves
- 8 plies
- FEN
rnbqkb1r/ppp1pppp/5n2/8/3P4/2N2p2/PPP3PP/R1BQKBNR w KQkq - 0 5- PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 1,976 | |
| 1500-1999 | 4,618 | |
| 2000+ | 696 | |
| All | 7,290 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5. Nxf3 | 4,955 (68%) | |
| 5. Qxf3 Ryder Gambit | 2,305 (32%) | |
| 5. gxf3 | 17 (0%) | |
| 5. Bf4 | 6 (0%) | |
| 5. Bg5 | 4 (0%) | |
| 5. d5 | 1 (0%) | |
| 5. Be3 | 1 (0%) |
Master games
3 over-the-board games are classified under this line (White 67%, draw 0%, Black 33%). The strongest:
- Remi Briguet (1160) – Clement Zanin (1327) 0-1 · ch-FRA Blitz Online Qual · 2020-05-16
Search all games of the Blackmar-Diemer Gambit Accepted and its sub-variations
Highest-rated Lichess games
- Schmargendorf (2669) – FM Crew12 (2753) 0-1 · 2026-09-02 · 180 + 0s
- GolfeDuMorbihan (2702) – IM unknown-maestro_2450 (2646) 1-0 · 2026-09-05 · 180 + 0s
- GolfeDuMorbihan (2692) – IM unknown-maestro_2450 (2656) 1-0 · 2026-09-05 · 180 + 0s
Comes from
Blackmar-Diemer Gambit (3. Nc3 Nf6) 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6
Continuations
- Blackmar-Diemer Gambit Accepted: Ryder Gambit D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6
- Blackmar-Diemer Gambit Accepted: Euwe Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6
- Blackmar-Diemer Gambit Accepted: Gunderam Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5
- Blackmar-Diemer Gambit Accepted: Holwell Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Qd6
- Blackmar-Diemer Gambit Accepted: Kaulich Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c5
- Blackmar-Diemer Gambit Accepted: Pietrowsky Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6
- Blackmar-Diemer Gambit Accepted: Ritter Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 b6
- Blackmar-Diemer Gambit Accepted: Schlutter Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nbd7
- Blackmar-Diemer Gambit Accepted: Teichmann Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4
- Blackmar-Diemer Gambit Accepted: Ziegler Defense D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6
More Blackmar-Diemer Gambit Accepted lines (all)
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack D00
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack D00
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack D00
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Studier Attack D00
- Blackmar-Diemer Gambit Accepted: Euwe Defense, Duthilleul Gambit D00
- Blackmar-Diemer Gambit Accepted: Euwe Defense, Zilbermints Gambit D00
- Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader Variation D00
- Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation D00
- Blackmar-Diemer Gambit Accepted: Teichmann Defense, Classical Variation D00
- Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack 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.