ECO A73: Benoni Defense

ECO A73 is part of volume A — Flank Openings. The Lichess chess-openings dataset files one named line under it. It is Benoni Defense: Classical Variation, Main Line: 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O.

That position has come up in 150,896 Lichess games between players rated 1600 to 2500: White won 47.4%, 5.3% were drawn and Black won 47.3%.