Sicilian Defense: Dragon Variation, Classical Variation, Zollner Gambit

The Sicilian Defense: Dragon Variation, Classical Variation, Zollner Gambit is a chess opening classified under ECO code B73 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 10 moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Be2 Nf6 7. Nc3 O-O 8. O-O d6 9. f4 Qb6 10. e5. The resulting position leaves black to move.