King's Gambit Declined - Norwalde variation - Buecker gambit
1. e4 e5 2. f4 Qf6 3. Nf3 Qxf4 4. Nc3 Bb4 5. Bc4
White moves the king's pawn to e4. Black plays the king's pawn to e5. White pushes the f-pawn to f4.
Black deploys the queen to f6. White develops the knight to f3. Black captures with the queen on f4.
White transfers the knight to c3. Black develops the dark-squared bishop to b4. White develops the light-squared bishop to c4.