ECO B01 · Scandinavian Defense

Scandinavian Defense: Main Line, Leonhardt Gambit

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4

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

4… Qxb4−0.13

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

Analyze this position

In the Scandinavian Defense: Main Line, Leonhardt Gambit (B01), reached after 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4, Stockfish 18 recommends 4… Qxb4 for Black. The position is roughly equal (−0.13).

Top engine moves

  1. −0.134… Qxb4 5. Rb1 Qd6 6. d4 Nf6 7. Nf3 a6 8. Bd3 g6 9. O-O
  2. +0.484… Qb6 5. a3 g6 6. Nf3 Bg7 7. Be2 Nh6 8. O-O Nf5 9. Bb2
  3. +0.714… Qe5+ 5. Be2 Nf6 6. Nf3 Qd6 7. a3 g6 8. d4 Bg7 9. Nb5

Frequently asked questions

What is the best move in the Scandinavian Defense: Main Line, Leonhardt Gambit?
After 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4, Stockfish 18 at depth 18 recommends 4… Qxb4 for Black, continuing 5. Rb1 Qd6 6. d4 Nf6 7. Nf3 a6 8. Bd3 g6 9. O-O. The position is roughly equal (−0.13). The next best moves are 4… Qb6 (+0.48) and 4… Qe5+ (+0.71).
Is the Scandinavian Defense: Main Line, Leonhardt Gambit a good opening?
Stockfish rates the position at −0.13: 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 Scandinavian Defense: Main Line, Leonhardt Gambit?
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+).