ECO B10 · Caro-Kann Defense

Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit

1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5

abcdefgh87654321
Black to move. The arrow shows Stockfish’s best move.
Best move

4… g6−0.72

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit (B10), reached after 1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5, Stockfish 18 recommends 4… g6 for Black. Black is slightly better (−0.72).

Top engine moves

  1. −0.724… g6 5. Qe2 Nf6 6. Nc3 Bg7 7. Nxe4 Nxe4 8. Qxe4 a5 9. a4
  2. −0.534… e6 5. Nc3 Nf6 6. Qe2 a5 7. Nxe4 a4 8. Nxf6+ Qxf6 9. Bc4
  3. +0.094… Nh6 5. Nc3 Nd7 6. Nxe4 Nf6 7. Qe2 Nxe4 8. Qxe4 Bf5 9. Qc4

Frequently asked questions

What is the best move in the Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit?
After 1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5, Stockfish 18 at depth 18 recommends 4… g6 for Black, continuing 5. Qe2 Nf6 6. Nc3 Bg7 7. Nxe4 Nxe4 8. Qxe4 a5 9. a4. Black is slightly better (−0.72). The next best moves are 4… e6 (−0.53) and 4… Nh6 (+0.09).
Is the Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit a good opening?
Stockfish rates the position at −0.72: black is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit?
B10. ECO codes classify chess openings from A00 to E99; B is the volume for semi-open games (other than the French).

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).