ECO D84: Grünfeld Defense
ECO D84 is part of volume D — Closed & Semi-Closed Games.
The Lichess chess-openings dataset files one named line under it.
It is Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit Accepted:
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7.
That position has come up in 13,418 Lichess games between players rated 1600 to 2500: White won 52.3%, 10.7% were drawn and Black won 37.0%.