ECO E92 · King's Indian Defense
King's Indian Defense: Petrosian Variation, Stein Defense
The position after 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 a5.
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5
King's Indian Defense: Petrosian Variation, Stein Defense is filed under ECO E92, a variation of King's Indian Defense: Petrosian Variation. It is the position after 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 a5 — 14 half-moves in, with White to move. Named theory ends here; beyond this the position is yours to work out.