King's Indian Defense: Steiner Attack is a chess opening with the ECO code E81, part of the King's Indian Defense family. It goes 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 h6 9. Bxh6. White opens with 1. d4 (the queen's pawn) and Black answers 1... Nf6. After 17 moves it is Black to move. After the last move White is a pawn ahead in material. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. d4 – White plays the pawn to d4
1... Nf6 – Black plays the knight to f6
2. c4 – White plays the pawn to c4
2... g6 – Black plays the pawn to g6
3. Nc3 – White plays the knight to c3
3... Bg7 – Black plays the bishop to g7
4. e4 – White plays the pawn to e4
4... d6 – Black plays the pawn to d6
5. f3 – White plays the pawn to f3
5... O-O – Black castles kingside
6. Bg5 – White plays the bishop to g5
6... c5 – Black plays the pawn to c5
The line goes on for 5 more moves; the lesson shows them all.
About the King's Indian Defense
Black plays ...Nf6, ...g6, ...Bg7, ...O-O and ...d6, letting White build a big centre, then strikes back at it. It is a fighting, attacking defence.
Black strikes the centre with ...e5 or ...c5.
When the centre locks with d5, Black attacks the king with ...f5, ...f4 and ...g5.
White usually attacks on the queenside with c5 and b4; it becomes a race.
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