King's Gambit Accepted - Kieseritsky - Berlin defence - 6.Bc4

White plays the king's pawn to e4. Black plays the king's pawn to e5. White pushes the f-pawn to f4.

Black captures on f4 with the king's pawn. White develops the knight to f3. Black pushes the g-pawn to g5.

White pushes the h-pawn to h4. Black moves the g-pawn to g4. White jumps the knight to e5.

Black develops the knight to f6. White develops the light-squared bishop to c4.