Scandinavian - Mieses-Kotrvc gambit
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4
White moves the king's pawn to e4. Black advances the queen's pawn to d5. White captures on d5 with the king's pawn.
Black captures with the queen on d5. White develops the knight to c3. Black places the queen to a5.
White advances the b-pawn to b4.