Home › Openings › Vienna Gambit › Vienna Gambit, with Max Lange Defense › Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Alapin Variation ECO C25 · 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 d6 Related variationsVienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Thorold Variation Practice this opening · Play against the computer