Blackmar-Diemer Gambit Accepted: Teichmann Defense
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4
The Blackmar-Diemer Gambit Accepted: Teichmann Defense 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. It is a line of the Blackmar-Diemer Gambit Accepted. White is to move. 3 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 2,065 times by this move order. White won 55%, 4% were drawn and Black won 41%. The most popular continuation is 6. h3 (69% of games).
Engine evaluation: −0.14 (Stockfish, depth 38; best line 6. h3 Bh5 7. g4 Bg6 8. Qe2 Nc6)
- ECO
- D00
- Moves
- 10 plies
- FEN
rn1qkb1r/ppp1pppp/5n2/8/3P2b1/2N2N2/PPP3PP/R1BQKB1R w KQkq - 1 6- PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 447 | |
| 1500-1999 | 1,376 | |
| 2000+ | 242 | |
| All | 2,065 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6. h3 | 1,421 (69%) | |
| 6. Bc4 | 249 (12%) | |
| 6. Bd3 | 150 (7%) | |
| 6. Be3 | 110 (5%) | |
| 6. Be2 | 91 (4%) | |
| 6. Bb5+ | 16 (1%) | |
| 6. Bg5 | 11 (1%) | |
| 6. Bf4 | 8 (0%) |
Master games
66 over-the-board games are classified under this line (White 58%, draw 10%, Black 32%). The strongest:
- IM Shamil Arslanov (2410) – GM Etienne Bacrot (2627) 0-1 · Titled Tue 7th Oct 2025 · 2025-10-07
- IM Shamil Arslanov (2410) – GM Grzegorz Nasuta (2483) 0-1 · Titled Tue 1st Sep 2026 · 2026-09-01
- IM Shamil Arslanov (2410) – IM Mai Narva (2426) 0-1 · 1st 3-0 Thu 7th May 2026 · 2026-05-07
- IM Shamil Arslanov (2410) – FM Zoey Tang (2366) 1-0 · Titled Tue 10th Mar 2026 · 2026-03-10
- IM Shamil Arslanov (2410) – WFM Melika Mohammadi (2342) 1-0 · Titled Tue 25th Nov 2025 · 2025-11-25
Search all games of the Blackmar-Diemer Gambit Accepted: Teichmann Defense and its sub-variations
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 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3
Continuations
- Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Qf2
- Blackmar-Diemer Gambit Accepted: Teichmann Defense, Classical Variation D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be3
- Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack D00 · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. g4
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.