About this opening
Vienna Game: Vienna Gambit, Steinitz Variation is an opening in the Encyclopedia of Chess Openings,
classified under code C29. 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 Nf6 3. f4 d5 4. d3.
It belongs to the Vienna Game family.
Within that family this is a level-2 branch (the Vienna Gambit → Steinitz Variation line). The immediate parent line is Vienna Game: Vienna Gambit, transitioned via 4.d3.
The opening sequence in prose form: 1.e4 e5, 2.Nc3 Nf6, 3.f4 d5, 4.d3. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.