Blackmar-Diemer Gambit Accepted: Ryder Gambit
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3
The Blackmar-Diemer Gambit Accepted: Ryder Gambit is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3. It is a line of the Blackmar-Diemer Gambit Accepted. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 2,305 times by this move order. White won 53%, 3% were drawn and Black won 44%. The most popular continuation is 5… e6 (31% of games).
Engine evaluation: −1.63 (Stockfish, depth 40; best line 5… Qxd4 6. Be3 Qh4+ 7. g3 Qg4 8. Qf2)
- ECO
- D00
- Moves
- 9 plies
- FEN
rnbqkb1r/ppp1pppp/5n2/8/3P4/2N2Q2/PPP3PP/R1B1KBNR b KQkq - 0 5- PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 839 | |
| 1500-1999 | 1,384 | |
| 2000+ | 82 | |
| All | 2,305 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5… e6 | 716 (31%) | |
| 5… Nc6 | 453 (20%) | |
| 5… Bg4 | 397 (17%) | |
| 5… c6 | 289 (13%) | |
| 5… Qxd4 | 281 (12%) | |
| 5… g6 | 80 (3%) | |
| 5… h6 | 27 (1%) | |
| 5… a6 | 20 (1%) |
Master games
16 over-the-board games are classified under this line (White 25%, draw 0%, Black 75%). The strongest:
- IM Shamil Arslanov (2410) – CM Andras Ilko-Toth (2228) 0-1 · Titled Tue 30th Jun 2026 · 2026-06-30
- IM Shamil Arslanov (2410) – WFM Kler Caku (2010) 0-1 · Titled Tue 15th Jul Early · 2025-07-15
- Andreas Larsen (2010) – WIM Olsarova, T. (2302) 0-1 · 90th Hastings Masters 2014-15 · 2014-12-30
- Dennis Madsen (1671) – Roger Satre (1832) 0-1 · Xtracon Chess Open 2017 · 2017-07-29
- Dennis Madsen (1578) – Bjarne Undheim (1878) 0-1 · Xtracon Chess Open 2018 · 2018-07-25
Search all games of the Blackmar-Diemer Gambit Accepted: Ryder Gambit and its sub-variations
Highest-rated Lichess games
- CM Kavaliro (2451) – Vihajaisestatulesta (2469) 1-0 · 2026-09-05 · 180 + 0s
- KingSlayer1080 (2327) – Ranvir28 (2427) 1/2-1/2 · 2026-09-07 · 180 + 0s
- KingSlayer1080 (2310) – Tsugva (2356) 1-0 · 2026-09-03 · 180 + 0s
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)
- Blackmar-Diemer Gambit Accepted: Bogoljubow Defense D00
- 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 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 D00
- Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader Variation D00
- Blackmar-Diemer Gambit Accepted: Holwell Defense D00
- Blackmar-Diemer Gambit Accepted: Kaulich Defense 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.