The Hamppe-Allgaier Gambit, Thorold Variation is a variation of the Vienna Gambit, with Max Lange Defense, catalogued as ECO C25. The line runs 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. Nc3 g5 5. h4 g4 6. Ng5 h6 7. Nxf7 Kxf7 8. d4, reaching the position shown below after 15 half-moves.
White holds the centre with pawns on d4 and e4. Development is level at two minor pieces each, and Black is up three points of material. It is Black to move after eight moves.
On the Vienna Gambit, with Max Lange Defense generally: ECO C25. A chess opening with 15 known variations.
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See all 10 Vienna Gambit, with Max Lange Defense variations →
The Hamppe-Allgaier Gambit, Thorold Variation goes 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. Nc3 g5 5. h4 g4 6. Ng5 h6 7. Nxf7 Kxf7 8. d4. It is a variation of the Vienna Gambit, with Max Lange Defense and is catalogued as ECO C25.
The Hamppe-Allgaier Gambit, Thorold Variation is ECO C25. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Vienna Gambit, with Max Lange Defense.
Stockfish evaluates the position after 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. Nc3 g5 5. h4 g4 6. Ng5 h6 7. Nxf7 Kxf7 8. d4 at -0.89 at depth 18, which is a small but real edge for Black. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
White holds the centre with pawns on d4 and e4. Development is level at two minor pieces each, and Black is up three points of material. It is Black to move.