Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Double Gambit

The Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Double Gambit is a chess opening classified under ECO code B50 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 9 moves: 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nc3 Nxc3 9. bxc3. The resulting position leaves black to move.