French - advance variation
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6
White moves the king's pawn to e4. Black plays the king's pawn to e6. White plays the queen's pawn to d4.
Black plays the queen's pawn to d5. White pushes the king's pawn to e5. Black moves the c-pawn to c5.
White pushes the c-pawn to c3. Black develops the knight to c6.