B06

Modern Defense: Bishop Attack, Bücker Gambit

Chess diagram: Modern Defense: Bishop Attack, Bücker Gambit after 3…b5

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Statistics from Lichess

626 games: White 47.9% / Draw 3.2% / Black 48.9%

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 Oct 23, 2026

Engine evaluation

+1.32 White is better

Best play: 4. Bxb5 c5 5. Nf3 cxd4 6. Nxd4 a6 7. Ba4 Qb6 8. Ne2 Nf6

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

Overview

Modern Defense: Bishop Attack, Bücker Gambit (ECO B06, Semi-Open Games) is a gambit in the Modern Defense: Bishop Attack, reached after 1. e4 g6 2. d4 Bg7 3. Bc4 b5 (3 moves).

In 626 rated Lichess games between players rated 1600 to 2500, White won 47.9%, Black 48.9% and 3.2% were drawn. White's most played move here is 4. Bxb5, in 58% of those games.

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How to play against the Modern Defense: Bishop Attack, Bücker Gambit

The most played answer, 4. Bxb5, also scores best for White: 50.7%, with White winning 49.3% and Black 47.9% of 363 games. Of the main answers, 4. Bb3 scores lowest: 49.5%. Stockfish's first choice is also 4. Bxb5.

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

Cite this page

Caissa Codex. “Modern Defense: Bishop Attack, Bücker Gambit (B06)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/modern-defense-bishop-attack-bucker-gambit