Caissa Codex
D00

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack

Chess diagram: Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack after 7. h4

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Statistics from Lichess

1,201 games: White 50.1% / Draw 3.7% / Black 46.1%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
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Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

−2.17 Black is clearly better

Even so, White scores 52.0% here in practice: wins plus half the draws in rated Lichess games between players rated 1600 to 2500.

Best play: 7... O-O 8. Bg5 h6 9. Be3 h5 10. Qd2 Bf5 11. O-O-O Nbd7 12. Bd3

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

Overview

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack (ECO D00, Closed & Semi-Closed Games) is a gambit in the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. h4 (7 moves).

In 1,201 rated Lichess games between players rated 1600 to 2500, White won 50.1%, Black 46.1% and 3.7% were drawn. Black's most played move here is 7…O-O, in 33% of those games.

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How to play against the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack

The most played answer, 7…O-O, also scores best for Black: 51.4%, with Black winning 50.3% and White 47.5% of 394 games. Of the main answers, 7…h5 scores lowest: 43.8%. Stockfish's first choice is also 7…O-O.

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. Bc4 Bg7 7. h4, the position after Blackmar-Diemer Gambit Accepted: Bogoljubow Defense also goes on to:

Cite this page

Caissa Codex. “Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack (D00)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/blackmar-diemer-gambit-accepted-bogoljubow-defense-mad-dog-attack

https://chesscodex.org/openings/blackmar-diemer-gambit-accepted-bogoljubow-defense-mad-dog-attack