B10

Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit

Chess diagram: Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit after 4. Qh5

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Statistics from Lichess

143,705 games: White 53.8% / Draw 4.3% / Black 41.9%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
78,73279K
57,74358K
5,2175,217
1,5141,514
361361
3939
3030
2626

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

−0.90 Black is better

Best play: 4... g6 5. Qh4 Bf5 6. f3 exf3 7. Nxf3 e6 8. Qf2 Nd7 9. d3

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

Overview

Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit (ECO B10, Semi-Open Games) is a gambit in the Caro-Kann Defense: Hillbilly Attack, reached after 1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5 (4 moves).

In 143,705 rated Lichess games between players rated 1600 to 2500, White won 53.8%, Black 41.9% and 4.3% were drawn. Black's most played move here is 4…g6, in 55% of those games.

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How to play against the Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit

4…e6 scores best for Black: 46.1%, with Black winning 43.8% and White 51.7% of 58K games. The most played answer, 4…g6, scores lowest: 43.2% in 79K games. Stockfish's first choice is 4…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

Cite this page

Caissa Codex. “Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit (B10)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/caro-kann-defense-hillbilly-attack-schaeffer-gambit