Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation

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, Ciesielski Variation after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Qf2 87654321abcdefgh

The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation 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. Qf2. 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 60 times by this move order. White won 63%, 9% were drawn and Black won 28%. The most popular continuation is 8… e6 (87% of games).

Engine evaluation: −0.34 (Stockfish, depth 30; best line 8… e6 9. Bd2 Bb4 10. Bd3 Nd5 11. Qg3)

ECO
D00
Moves
15 plies
FEN
rn1qkb1r/pp2pppp/2p2n2/8/3P4/2N4P/PPP2QP1/R1B1KB1R b KQkq - 1 8
PGN
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Qf2

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-14993100%
1500-19993959%33%
2000+1867%22%
All6063%28%

Most played moves

MoveGamesWhite / draw / Black
8… e652 (87%)65%25%
8… Nd54 (7%)75%25%
8… g62 (3%)50%50%
8… Nbd72 (3%)100%

Master games

5 over-the-board games are classified under this line (White 80%, draw 0%, Black 20%). The strongest:

Search all games of the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation and its sub-variations

Highest-rated Lichess games

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)

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.