The Hanstein Gambit is a variation of the King's Gambit Accepted, catalogued as ECO C38. The line runs 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O, reaching the position shown below after 9 half-moves.
White holds the centre with pawns on e4. Development is level at two minor pieces each, and Black is up a pawn of material. It is Black to move after five moves. White has castled while Black’s king is still uncommitted; Black has doubled pawns on the f-file.
On the King's Gambit Accepted generally: A romantic opening where White sacrifices a pawn for rapid development and attacking chances.
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The Hanstein Gambit goes 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O. It is a variation of the King's Gambit Accepted and is catalogued as ECO C38.
The Hanstein Gambit is ECO C38. ECO codes group openings by their move order, so nearby codes cover closely related lines of the King's Gambit Accepted.
Stockfish evaluates the position after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O at -0.90 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 e4. Development is level at two minor pieces each, and Black is up a pawn of material. It is Black to move. White has castled while Black’s king is still uncommitted; Black has doubled pawns on the f-file.