E91 · King's Indian Defense
King's Indian Defense: Orthodox Variation
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2
In the King's Indian Defense: Orthodox Variation, aim to understand the plans and pawn structures, not just memorize the first moves.
The King's Indian Defense: Orthodox Variation is a chess opening classified under ECO code E91. It is reached after the moves 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2: 11 moves in, with Black to play.
It belongs to the King's Indian Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
Club players rarely lose the King's Indian Defense: Orthodox Variation in the opening itself. They lose it a few moves later, when the plan behind the moves runs out: that is what reading your own games in this line shows you.
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