King's Indian Defense · if they play 3.Nf3
E67 · King's Indian Defense: Fianchetto Variation, Classical Fianchetto · you play Black
This is the branch for when your opponent leaves the King's Indian Defense main line with 3.Nf3.
The idea
Against White's fianchetto the plan is the same: castle, d6, Nbd7, then strike with e5.
The moves
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5
Free, no sign-up. The board plays the other side and you play every one of your moves. A line you miss comes back tomorrow; one you get comes back after 3 days, then a week, then three weeks.
Opening names from the Lichess chess-openings list (CC0). Every line was checked move by move by the rules engine. Part of Chess Path, a free chess course.