ECO B53: Sicilian Defense

ECO B53 is part of volume B — Semi-Open Games. The Lichess chess-openings dataset files 2 named lines under it. The shortest is Sicilian Defense: Chekhover Variation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4.

That position has come up in 2,216,367 Lichess games between players rated 1600 to 2500: White won 50.1%, 5.9% were drawn and Black won 44.0%.