Caissa Codex
D00

Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation

Chess diagram: Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation after 8. Qf2

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Statistics from Lichess

14,952 games: White 60.3% / Draw 4.4% / Black 35.3%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
12,39112K
1,4541,454
354354
333333
254254
5959
4242
2020

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 30, 2026

Engine evaluation

−0.38 Black is slightly better

Best play: 8... g6 9. Bg5 Bg7 10. O-O-O h6 11. Bxf6 Bxf6 12. Ne4 Bg7 13. Kb1

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation (ECO D00, Closed & Semi-Closed Games) is a gambit in the Blackmar-Diemer Gambit Accepted: Teichmann Defense, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Qf2 (8 moves).

In 14,952 rated Lichess games between players rated 1600 to 2500, White won 60.3%, Black 35.3% and 4.4% were drawn. Black's most played move here is 8…e6, in 83% of those games.

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How to play against the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation

8…Nbd7 scores best for Black: 42.3%, with Black winning 40.4% and White 55.8% of 1,454 games. The most played answer, 8…e6, scores lowest: 36.6% in 12K games. Stockfish's first choice is 8…g6.

Main answers: those played in at least 5% of these games. Score: Black's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Other lines from the same position

Instead of 6. h3 Bxf3 7. Qxf3 c6 8. Qf2, the position after Blackmar-Diemer Gambit Accepted: Teichmann Defense also goes on to:

Cite this page

Caissa Codex. “Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation (D00)”. Lichess data as of 30 Oct 2026. https://chesscodex.org/openings/blackmar-diemer-gambit-accepted-teichmann-defense-ciesielski-variation

https://chesscodex.org/openings/blackmar-diemer-gambit-accepted-teichmann-defense-ciesielski-variation