ECO E78: King's Indian Defense

ECO E78 is part of volume E — Indian Defenses. The Lichess chess-openings dataset files one named line under it. It is King's Indian Defense: Four Pawns Attack, Fluid Attack: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2.

That position has come up in 18,556 Lichess games between players rated 1600 to 2500: White won 50.5%, 6.1% were drawn and Black won 43.5%.