ECO C02 · French Defense

French Defense: Advance Variation, Paulsen Attack

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3

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

5… Qb6+0.25

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

Analyze this position

In the French Defense: Advance Variation, Paulsen Attack (C02), reached after 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3, Stockfish 18 recommends 5… Qb6 for Black. The position is roughly equal (+0.25).

Top engine moves

  1. +0.255… Qb6 6. a3 c4 7. Nbd2 Na5 8. Be2 Nh6 9. Rb1 Bd7 10. h4
  2. +0.295… Bd7 6. Be2 cxd4 7. cxd4 Nge7 8. O-O Nf5 9. Nc3 a6 10. Kh1
  3. +0.385… Nge7 6. Bd3 cxd4 7. cxd4 Nf5 8. Bc2 Nh4 9. Nxh4 Qxh4 10. Be3

Frequently asked questions

What is the best move in the French Defense: Advance Variation, Paulsen Attack?
After 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3, Stockfish 18 at depth 18 recommends 5… Qb6 for Black, continuing 6. a3 c4 7. Nbd2 Na5 8. Be2 Nh6 9. Rb1 Bd7 10. h4. The position is roughly equal (+0.25). The next best moves are 5… Bd7 (+0.29) and 5… Nge7 (+0.38).
Is the French Defense: Advance Variation, Paulsen Attack a good opening?
Stockfish rates the position at +0.25: 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 French Defense: Advance Variation, Paulsen Attack?
C02. ECO codes classify chess openings from A00 to E99; C is the volume for open games and the French Defense.

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