King's Indian Defense: Fianchetto Variation, Pterodactyl Variation
King's Indian Defense: Fianchetto Variation, Pterodactyl Variation is a chess opening with the ECO code E64, part of the King's Indian Defense family. It goes 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. Bg2 Qa5+. White opens with 1. d4 (the queen's pawn) and Black answers 1... Nf6. After 10 moves it is White to move. 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. Nf3 – White plays the knight to f3
3... Bg7 – Black plays the bishop to g7
4. g3 – White plays the pawn to g3
4... c5 – Black plays the pawn to c5
5. Bg2 – White plays the bishop to g2
5... Qa5+ – Black plays the queen to a5, giving check
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.
chessGM