Vienna - Hamppe-Allgaier gambit
1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5
White plays the king's pawn to e4. Black advances the king's pawn to e5. White develops the knight to c3.
Black develops the knight to c6. White pushes the f-pawn to f4. Black captures on f4 with the king's pawn.
White jumps the knight to f3. Black advances the g-pawn to g5. White advances the h-pawn to h4.
Black pushes the g-pawn to g4. White transfers the knight to g5.