ECO B01 · Scandinavian Defense

Scandinavian Defense: Portuguese Gambit, Jadoul Variation

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c4

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

6… a6+0.43

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Scandinavian Defense: Portuguese Gambit, Jadoul Variation (B01), reached after 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c4, Stockfish 18 recommends 6… a6 for Black. White is slightly better (+0.43).

Top engine moves

  1. +0.436… a6 7. Bxd7+ Qxd7 8. Ne2 e6 9. dxe6 Qxe6 10. b3 O-O-O 11. O-O
  2. +0.626… e6 7. g4 Bg6 8. Nc3 a6 9. Ba4 exd5 10. g5 Ng8 11. Qe2+
  3. +0.766… c6 7. dxc6 bxc6 8. Bxc6 Rc8 9. Bb5 a6 10. Bxd7+ Nxd7 11. b3

Frequently asked questions

What is the best move in the Scandinavian Defense: Portuguese Gambit, Jadoul Variation?
After 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c4, Stockfish 18 at depth 18 recommends 6… a6 for Black, continuing 7. Bxd7+ Qxd7 8. Ne2 e6 9. dxe6 Qxe6 10. b3 O-O-O 11. O-O. White is slightly better (+0.43). The next best moves are 6… e6 (+0.62) and 6… c6 (+0.76).
Is the Scandinavian Defense: Portuguese Gambit, Jadoul Variation a good opening?
Stockfish rates the position at +0.43: white 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 Scandinavian Defense: Portuguese Gambit, Jadoul Variation?
B01. 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+).