ECO A67: Benoni Defense

ECO A67 is part of volume A — Flank Openings. The Lichess chess-openings dataset files one named line under it. It is Benoni Defense: Taimanov Variation: 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+.

That position has come up in 128,480 Lichess games between players rated 1600 to 2500: White won 53.1%, 4.9% were drawn and Black won 42.0%.