ECO B10 · Caro-Kann Defense

Caro-Kann Defense: St. Patrick's Attack

1. e4 c6 2. Nc3 d5 3. h3

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

3… d4−0.21

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Caro-Kann Defense: St. Patrick's Attack (B10), reached after 1. e4 c6 2. Nc3 d5 3. h3, Stockfish 18 recommends 3… d4 for Black. The position is roughly equal (−0.21).

Top engine moves

  1. −0.213… d4 4. Nce2 e5 5. Ng3 Ne7 6. Bc4 b5 7. Bb3 Ng6 8. Qf3
  2. +0.063… e5 4. d4 dxe4 5. Nxe4 Qxd4 6. Bd3 Nf6 7. Nf3 Qb6 8. Nxf6+
  3. +0.153… dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 b5 7. Be2 Bd6 8. Nf3

Frequently asked questions

What is the best move in the Caro-Kann Defense: St. Patrick's Attack?
After 1. e4 c6 2. Nc3 d5 3. h3, Stockfish 18 at depth 18 recommends 3… d4 for Black, continuing 4. Nce2 e5 5. Ng3 Ne7 6. Bc4 b5 7. Bb3 Ng6 8. Qf3. The position is roughly equal (−0.21). The next best moves are 3… e5 (+0.06) and 3… dxe4 (+0.15).
Is the Caro-Kann Defense: St. Patrick's Attack a good opening?
Stockfish rates the position at −0.21: the position is roughly equal. 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: St. Patrick's Attack?
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+).