ECO B71: Sicilian Defense

ECO B71 is part of volume B — Semi-Open Games. The Lichess chess-openings dataset files 2 named lines under it. The shortest is Sicilian Defense: Dragon Variation, Levenfish Variation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4.

That position has come up in 282,695 Lichess games between players rated 1600 to 2500: White won 53.7%, 4.5% were drawn and Black won 41.7%.