ECO A85: Dutch Defense

ECO A85 is part of volume A — Flank Openings. The Lichess chess-openings dataset files one named line under it. It is Dutch Defense: Queen's Knight Variation: 1. d4 f5 2. c4 Nf6 3. Nc3.

That position has come up in 3,434,634 Lichess games between players rated 1600 to 2500: White won 48.1%, 4.8% were drawn and Black won 47.1%.