ECO B60: Sicilian Defense: Richter-Rauzer Variation

ECO B60 is part of volume B, Semi-Open Games. The Lichess chess-openings dataset files 3 named lines under it. The shortest is Sicilian Defense: Richter-Rauzer Variation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5. All of them are lines of the Sicilian Defense: Richter-Rauzer Variation.

That position has come up in 935,582 Lichess games between players rated 1600 to 2500: White won 49.1%, 5.5% were drawn and Black won 45.4%.