B10

Caro-Kann Defense: Hector Gambit

Chess diagram: Caro-Kann Defense: Hector Gambit after 4. Ng5

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

32,962 games: White 51.0% / Draw 4.7% / Black 44.3%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
20,75521K
5,1175,117
1,3531,353
1,1931,193
1,1591,159
979979
872872
617617

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 10, 2026

Engine evaluation

−0.11 The position is about equal

Best play: 4... e5 5. h4 Be7 6. Bc4 Nh6 7. Ncxe4 O-O 8. c3 Na6 9. a4

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

Overview

Caro-Kann Defense: Hector Gambit (ECO B10, Semi-Open Games) is a gambit in the Caro-Kann Defense: Two Knights Attack, reached after 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Ng5 (4 moves).

In 32,962 rated Lichess games between players rated 1600 to 2500, White won 51.0%, Black 44.3% and 4.7% were drawn. Black's most played move here is 4…Nf6, in 63% of those games.

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How to play against the Caro-Kann Defense: Hector Gambit

4…Bf5 scores best for Black: 52.1%, with Black winning 49.8% and White 45.7% of 5,117 games. The most played answer, 4…Nf6, scores lowest: 45.8% in 21K games. Stockfish's first choice is 4…e5.

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: Hector Gambit (B10)”. Lichess data as of 10 Oct 2026. https://chesscodex.org/openings/caro-kann-defense-hector-gambit