ECO B10 · Caro-Kann Defense

Caro-Kann Defense: Accelerated Panov Attack, Van Weersel Attack

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Qb3

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

4… dxe4−0.49

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Caro-Kann Defense: Accelerated Panov Attack, Van Weersel Attack (B10), reached after 1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Qb3, Stockfish 18 recommends 4… dxe4 for Black. Black is slightly better (−0.49).

Top engine moves

  1. −0.494… dxe4 5. d3 exd3 6. Bxd3 Nf6 7. Nf3 e6 8. O-O Nc6 9. Rd1
  2. −0.284… e6 5. exd5 exd5 6. Nc3 Bd6 7. d4 Nc6 8. Bd3 Nf6 9. Nge2
  3. −0.084… Qc7 5. Nc3 dxe4 6. d3 exd3 7. Bxd3 Be6 8. Qa4+ Bd7 9. Qh4

Frequently asked questions

What is the best move in the Caro-Kann Defense: Accelerated Panov Attack, Van Weersel Attack?
After 1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Qb3, Stockfish 18 at depth 18 recommends 4… dxe4 for Black, continuing 5. d3 exd3 6. Bxd3 Nf6 7. Nf3 e6 8. O-O Nc6 9. Rd1. Black is slightly better (−0.49). The next best moves are 4… e6 (−0.28) and 4… Qc7 (−0.08).
Is the Caro-Kann Defense: Accelerated Panov Attack, Van Weersel Attack a good opening?
Stockfish rates the position at −0.49: 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: Accelerated Panov Attack, Van Weersel 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+).