Home › Openings › Scandinavian Defense › Scandinavian Defense: Main Line Scandinavian Defense: Main Line, Leonhardt Gambit ECO B01 · 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4 Related variationsScandinavian Defense: Main Line, Mieses Variation Practice this opening · Play against the computer