French - Frere (Becker) variation
1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Qd5
White pushes the king's pawn to e4. Black advances the king's pawn to e6. White plays the queen's pawn to d4.
Black moves the queen's pawn to d5. White develops the knight to c3. Black captures on e4 with the queen's pawn.
White captures with the knight on e4. Black deploys the queen to d5.