Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation

The Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation is a chess opening classified under ECO code B85 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 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 d6 9. f4. The resulting position leaves black to move.