Vienna Game: Stanley Variation, Meitner-Mieses Gambit

The Vienna Game: Stanley Variation, Meitner-Mieses Gambit is a chess opening classified under ECO code C25 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 5 moves: 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 Qf6 5. Nd5. The resulting position leaves black to move.