ECO A66: Benoni Defense

ECO A66 is part of volume A — Flank Openings. The Lichess chess-openings dataset files 2 named lines under it. The shortest is Benoni Defense: Pawn Storm Variation: 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4.

That position has come up in 292,452 Lichess games between players rated 1600 to 2500: White won 50.2%, 4.7% were drawn and Black won 45.1%.