Caissa Codex
C39

King's Gambit Accepted: Allgaier, Blackburne Gambit

Chess diagram: King's Gambit Accepted: Allgaier, Blackburne Gambit after 7. Nc3

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Statistics from Lichess

1,542 games: White 57.8% / Draw 2.2% / Black 40.0%

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

−2.71 Black is clearly better

Even so, White scores 58.9% here in practice: wins plus half the draws in rated Lichess games between players rated 1600 to 2500.

Best play: 7... Nf6 8. e5 d5 9. exf6 Bd6 10. d4 f3 11. Qd3 Nc6 12. Be3

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

Overview

King's Gambit Accepted: Allgaier, Blackburne Gambit (ECO C39, Open Games) is a gambit in the King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit, reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Nc3 (7 moves).

In 1,542 rated Lichess games between players rated 1600 to 2500, White won 57.8%, Black 40.0% and 2.2% were drawn. Black's most played move here is 7…d6, in 44% of those games.

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How to play against the King's Gambit Accepted: Allgaier, Blackburne Gambit

7…d5 scores best for Black: 63.0%, with Black winning 61.3% and White 35.2% of 142 games. The most played, 7…d6, scores 37.4% in 685 games, and 7…h5 scores lowest: 33.6%. Stockfish's first choice is 7…Nf6.

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…Kxf7 7. Nc3, the position after King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit also goes on to:

Cite this page

Caissa Codex. “King's Gambit Accepted: Allgaier, Blackburne Gambit (C39)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/kings-gambit-accepted-allgaier-blackburne-gambit

https://chesscodex.org/openings/kings-gambit-accepted-allgaier-blackburne-gambit