Ponderchess / Openings
Play the guided film, or select a scene to pause and study its position.
Opening
The King's Indian Attack in 3D
1.Nf3 d5 2.g3. White builds a King's Indian with colours reversed: Nf3, g3, Bg2, O-O, d3, Nbd2 and e4, then attacks on the kingside.
Rebuild the sequence yourself. The board responds to each move, and hints are available.
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Your turn · white to play
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King's Indian Attack: Pachman System, move by move: Nf3 d5 g3 g6 Bg2 Bg7 O-O e5 …
The white pieces
Complete the setup and prepare e4. Against ...e6 structures, gain space with e5 and attack on the kingside with h4 and Nf1-h2-g4.
The black pieces
Take space on the queenside with ...c5, ...Nc6, ...b5 and ...a5 to create counterplay before White's attack arrives, or develop the light-squared bishop early and keep a solid centre with ...c6 and ...e6.
Look a little deeper · 01
The KIA is a system rather than a fixed line, so it can be played against many Black setups. It is especially popular against French-type structures with ...e6 and ...d5 and Sicilian-type structures with ...c5, the French and Sicilian Variations.
Look a little deeper · 02
After e4-e5 White's pawn cramps Black's kingside and supports a slow attack with Re1, Nf1, h4, Bf4 and a knight to h2 and g4. Black races on the queenside with ...b5-b4 and ...a5-a4.
Look a little deeper · 03
Black can avoid that structure by developing the bishop early. The Keres Variation (2...Bg4) and setups with ...c6 and ...Bf5 or ...Bg4 give Black a solid, Slav-like position.
Look a little deeper · 04
If Black builds a classical centre with ...e5, the game resembles a King's Indian Defense with colours reversed and an extra tempo for White.
King's Indian Attack: Pachman System, move by move: Nf3 d5 g3 g6 Bg2 Bg7 O-O e5 …
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.
