Ponziani counter-gambit - Schmidt attack
1. e4 e5 2. Nf3 Nc6 3. c3 f5 4. d4 d6 5. d5
White moves the king's pawn to e4. Black moves the king's pawn to e5. White develops the knight to f3.
Black develops the knight to c6. White moves the c-pawn to c3. Black pushes the f-pawn to f5.
White plays the queen's pawn to d4. Black plays the queen's pawn to d6. White moves the queen's pawn to d5.