ECO E64 · King's Indian Defense
King's Indian Defense: Fianchetto Variation, Yugoslav System
The position after 1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 d6 5.Bg2 O-O 6.O-O c5.
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O c5
King's Indian Defense: Fianchetto Variation, Yugoslav System is filed under ECO E64, a variation of King's Indian Defense: Fianchetto Variation. It is the position after 1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 d6 5.Bg2 O-O 6.O-O c5 — 12 half-moves in, with White to move. From here theory names one continuation, Nc3.