Vienna Game: Vienna Gambit, Steinitz Variation

The Vienna Game: Vienna Gambit, Steinitz Variation is a chess opening classified under ECO code C29 in the Open Games & French Defense family, beginning with 1.e4 e5 or 1.e4 e6, including the Italian Game, Ruy Lopez, and French Defense. It is reached after 4 moves: 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. d3. The resulting position leaves black to move.