Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Alapin Variation

1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 d6

ECO C25

The Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Alapin Variation is a chess opening line in the Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit complex, reached after 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 d6.

It is catalogued under code C25 in the Encyclopaedia of Chess Openings (ECO).

The defining move d6 is chosen by Black on move 6.

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