Ponderchess / Openings
Let the centre form, then challenge it with a plan.
Fianchetto the bishop with ...g6 and ...Bg7.
Castle before opening lines.
Challenge White's space with ...e5 or ...c5.
Play the guided film, or select a scene to pause and study its position.
Opening
The King's Indian in 3D
The King's Indian Defence: Black lets White build a big centre, then strikes back at it.
Rebuild the sequence yourself. The board responds to each move, and hints are available.
Click or drag to move · Arrow keys + Enter to play
Your turn · white to play
Select a piece, then its destination. Switch to 2D for a clear overhead view or rotate the 3D board to explore the position.
Let White build a big centre, then strike it.
The white pieces
Use your space. In locked positions, play on the queenside with b4 and c5; in open ones, use your central pawns.
The black pieces
Strike with ...e5, and when the centre locks, launch the kingside pawn storm quickly.
Look a little deeper · 01
In the Classical main line the centre locks after d5. White then attacks on the queenside with c5, while Black storms the kingside with ...f5, ...f4 and ...g5.
Look a little deeper · 02
The race between the two attacks makes the King's Indian one of the most double-edged openings. Kasparov and Fischer both used it with great success.
Let White build a big centre, then strike it.
Keyboard: Space pauses, the arrow keys step. Gold arrows are White's moves, violet are Black's, red rays are threats, green shows support, blue shows plans.
Make the idea yours
No timer. No score. Just a moment to check your understanding.
