Blackmar-Diemer Gambit Accepted: Teichmann Defense
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Statistics from Lichess
660,214 games: White 53.2% / Draw 4.2% / Black 42.7%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 364,154364K | ||
| 129,879130K | ||
| 57,35457K | ||
| 47,27647K | ||
| 36,23836K | ||
| 12,67313K | ||
| 6,0206,020 | ||
| 3,4933,493 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 23, 2026
Engine evaluation
0.00 The position is about equal
Best play: 6. h3 Bh5 7. g4 Bg6 8. Ne5 e6 9. Bg2 c6 10. h4 Bb4
Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.
By rating
Rating changes little here: Black scores 46% under 1400, 44% at 2200 and up (wins plus half the draws).
| Players | Games | White / Draw / BlackW / D / B |
|---|---|---|
| Under 1400 | 139K | |
| 1400–1799 | 383K | |
| 1800–2199 | 396K | |
| 2200 and up | 39K | |
| Masters, over the board | 68 |
Master games
- Haugen, A. – Weisskohl, J.
- Kislinsky, A. – Slugin, S.
- Velimirovic, D. – Bellon Lopez, J. M.
- Argandona Riveiro, I. – Korneev, O.
- Abbasifar, H. – Ibragimov, A.
Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026
Overview
Blackmar-Diemer Gambit Accepted: Teichmann Defense (ECO D00, Closed & Semi-Closed Games) is a gambit in the Blackmar-Diemer Gambit Accepted, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 (5 moves).
In 660,214 rated Lichess games between players rated 1600 to 2500, White won 53.2%, Black 42.7% and 4.2% were drawn. White's most played move here is 6. h3, in 55% of those games.
It branches into 3 named variations; the most played are Blackmar-Diemer Gambit Accepted: Teichmann Defense, Classical Variation and Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack.
Written from the Lichess opening list and explorer. Know this line well? Write about it.
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How to play against the Blackmar-Diemer Gambit Accepted: Teichmann Defense
The most played answer, 6. h3, also scores best for White: 57.9%, with White winning 55.8% and Black 40.0% of 364K games. Of the main answers, 6. Be2 scores lowest: 46.4%. Stockfish's first choice is also 6. h3.
Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings
Popularity by year
The Blackmar-Diemer Gambit Accepted: Teichmann Defense has gained ground since 2016: 0.043% of Lichess games in 2025, up from 0.025%.
Numbers by year
| Year | Share of games | Games |
|---|---|---|
| 2016 | 0.025% | 8,888 |
| 2017 | 0.024% | 13,164 |
| 2018 | 0.021% | 16,590 |
| 2019 | 0.019% | 23,404 |
| 2020 | 0.016% | 47,629 |
| 2021 | 0.016% | 63,486 |
| 2022 | 0.016% | 61,141 |
| 2023 | 0.02% | 74,393 |
| 2024 | 0.038% | 135,059 |
| 2025 | 0.043% | 149,597 |
| 2026 (Jan–Apr) | 0.047% | 50,997 |
Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling
Variations (3)
Cite this page
Caissa Codex. “Blackmar-Diemer Gambit Accepted: Teichmann Defense (D00)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/blackmar-diemer-gambit-accepted-teichmann-defense