Caro-Kann defence
1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4
White advances the king's pawn to e4. Black moves the c-pawn to c6. White moves 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.