Scandinavian Defense: Mieses-Kotroc Variation is a chess opening with the ECO code B01, part of the Scandinavian Defense family. It goes 1. e4 d5 2. exd5 Qxd5. White opens with 1. e4 (the king's pawn) and Black answers 1... d5. After 4 moves it is White to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
In chessGM's opening book this position continues with 3. Nc3.
Black hits e4 immediately with 1...d5. After 2.exd5 Black takes back with the queen or the knight.
chessGM has a full course for this line: open the Scandinavian Defense: Mieses-Kotroc Variation course lesson.