French Defense: Diemer-Duhm Gambit Accepted
1. e4 e6 2. d4 d5 3. c4 dxe4
The French Defense: Diemer-Duhm Gambit Accepted is a chess opening classified as ECO C00, reached after 1. e4 e6 2. d4 d5 3. c4 dxe4. It is a line of the French Defense. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 674 times by this move order. White won 49%, 4% were drawn and Black won 47%. The most popular continuation is 4. Nc3 (75% of games).
Engine evaluation: −0.83 (Stockfish, depth 40; best line 4. Nc3 f5 5. Nh3 Nf6 6. Be3 Nc6)
- ECO
- C00
- Moves
- 6 plies
- FEN
rnbqkbnr/ppp2ppp/4p3/8/2PPp3/8/PP3PPP/RNBQKBNR w KQkq - 0 4- PGN
1. e4 e6 2. d4 d5 3. c4 dxe4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 66 | |
| 1500-1999 | 358 | |
| 2000+ | 250 | |
| All | 674 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4. Nc3 | 507 (75%) | |
| 4. f3 | 105 (16%) | |
| 4. d5 | 37 (5%) | |
| 4. Be3 | 9 (1%) | |
| 4. c5 | 4 (1%) | |
| 4. f4 | 2 (0%) | |
| 4. Qg4 | 2 (0%) | |
| 4. Qc2 | 2 (0%) |
Master games
57 over-the-board games are classified under this line (White 30%, draw 14%, Black 56%). The strongest:
- GM Arturs Neiksans (2574) – GM Baadur Jobava (2588) 0-1 · Titled Tuesday 1st Feb A · 2022-02-01
- GM Mikhail Bryakin (2478) – IM Fernando Valenzuela Gomez (2346) 1-0 · 1st 3-0 Thu 11th Jun 2026 · 2026-06-11
- Henrique Galvao (2161) – GM Jaime Santos Latasa (2576) 0-1 · Portuguese Top League · 2018-07-19
- IM Alexander Khlebovich (2423) – FM Nadya Toncheva (2289) 0-1 · Titled Tue 26th Nov Late · 2024-11-26
- FM Mikhail Chernov (2213) – GM Johann Hjartarson (2499) 0-1 · Titled Tuesday 26th Oct · 2021-10-26
Search all games of the French Defense: Diemer-Duhm Gambit Accepted and its sub-variations
Highest-rated Lichess games
- IM shuriks91 (2853) – CM PchelkinVK (2650) 0-1 · 2026-09-05 · 180 + 0s
- IM shuriks91 (2772) – NightNightingale1 (2589) 0-1 · 2026-09-04 · 180 + 0s
- Panchis2310 (2506) – Nietzsche420 (2511) 0-1 · 2026-09-04 · 600 + 0s
Comes from
French Defense: Diemer-Duhm Gambit 1. e4 e6 2. d4 d5 3. c4
More French Defense lines (all)
- French Defense (1. e4 e6) C00
- French Defense (2. d4 d5) C00
- French Defense: Alapin Gambit C00
- French Defense: Baeuerle Gambit C00
- French Defense: Banzai-Leong Gambit C00
- French Defense: Banzai-Leong Gambit, Pinova Gambit C00
- French Defense: Bird Invitation C00
- French Defense: Carlson Gambit C00
- French Defense: Chigorin Variation C00
- French Defense: Franco-Hiva Gambit C00
- French Defense: Franco-Hiva Gambit Accepted C00
- French Defense: Franco-Sicilian Defense C00
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.