Ponderchess / Openings
Play the guided film, or select a scene to pause and study its position.
Opening
The Sodium Attack in 3D
The Sodium Attack, following the Sodium Attack: Celadon Variation. Watch how each move fights for the centre and develops the pieces.
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.
Sodium Attack: Celadon Variation, move by move: Na3 e5 d3 Bxa3 bxa3 d5 e3 c5 …
Sodium Attack: Celadon Variation, move by move: Na3 e5 d3 Bxa3 bxa3 d5 e3 c5 …
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.
