Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6

The Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 is a chess opening classified under ECO code B30 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 5 moves: 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf6. The resulting position leaves white to move.