ECO C04: French Defense

ECO C04 is part of volume C — Open Games. The Lichess chess-openings dataset files one named line under it. It is French Defense: Tarrasch Variation, Guimard Defense, Main Line: 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6.

That position has come up in 180,687 Lichess games between players rated 1600 to 2500: White won 47.1%, 6.3% were drawn and Black won 46.6%.