Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. g4
The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack is a chess opening classified as ECO D00, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. g4. 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 36 times by this move order. White won 78%, 3% were drawn and Black won 19%. The most popular continuation is 8… e6 (64% of games).
Engine evaluation: 0.00 (Stockfish, depth 38; best line 8… e6 9. g5 Nd5 10. Bd3 Be7 11. h4)
- ECO
- D00
- Moves
- 15 plies
- FEN
rn1qkb1r/pp2pppp/2p2n2/8/3P2P1/2N2Q1P/PPP5/R1B1KB1R b KQkq - 0 8- PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. g4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 18 | |
| 2000+ | 18 | |
| All | 36 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 8… e6 | 23 (64%) | |
| 8… Qxd4 | 8 (22%) | |
| 8… Nd5 | 4 (11%) | |
| 8… h6 | 1 (3%) |
Master games
15 over-the-board games are classified under this line (White 67%, draw 6%, Black 27%). The strongest:
- IM Shamil Arslanov (2410) – FM Jacopo Motola (2333) 1-0 · Titled Tue 15th Jul Late · 2025-07-15
- IM Shamil Arslanov (2410) – CM Nikita Filindash (2214) 0-1 · Titled Tue 21st May Early · 2024-05-21
- IM Shamil Arslanov (2410) – CM Koorosh Bahmani (2208) 1-0 · Titled Tue 13th May Early · 2025-05-13
- IM Shamil Arslanov (2410) – WFM Malak Ismayil (2200) 1-0 · Titled Tue 2nd Jan Early · 2024-01-02
- IM Shamil Arslanov (2410) – CM Tim Sauer (2199) 1-0 · Titled Tue 5th May 2026 · 2026-05-05
Highest-rated Lichess games
- 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
- GolfeDuMorbihan (2695) – ArabChess48 (2582) 1-0 · 2026-09-03 · 180 + 0s
Comes from
Blackmar-Diemer Gambit Accepted: Teichmann Defense 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4
More Blackmar-Diemer Gambit Accepted lines (all)
- Blackmar-Diemer Gambit Accepted D00
- 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
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.