The Sicilian Defense: Mongoose Variation is a chess opening classified under ECO code B27 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 2 moves: 1. e4 c5 2. Nf3 Qa5. The resulting position leaves white to move.
Resulting Position
1. e4 c5 2. Nf3 Qa5
rnb1kbnr/pp1ppppp/8/q1p5/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 2 3Resulting Position