Alekhine Defense: Spielmann Gambit

The Alekhine Defense: Spielmann Gambit is a chess opening classified under ECO code B02 in the Semi-Open Games family, where Black responds to 1.e4 with something other than 1...e5, including the Sicilian Defense, Caro-Kann, and Pirc. It is reached after 4 moves: 1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6. The resulting position leaves black to move.