About this opening
Vienna Gambit, with Max Lange Defense: Steinitz Gambit is an opening in the Encyclopedia of Chess Openings,
classified under code C25. ECO group C (C00–C99)
covers open games (1.e4 e5) and the French Defence, including the Ruy Lopez, Italian, Scotch and King's Gambit. This particular variation is reached
after 7 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4.
It belongs to the Vienna Gambit, with Max Lange Defense family. Within that family this is a sub-variation (the Steinitz Gambit line).
The opening sequence in prose form: 1.e4 e5, 2.Nc3 Nc6, 3.f4 exf4, 4.d4. From this position exactly one named continuation is recorded in the encyclopaedia.