Ponderchess / Openings
Play the guided film, or select a scene to pause and study its position.
Opening
The Van't Kruijs Opening in 3D
The Van't Kruijs Opening, following the Van't Kruijs Opening: Keoni-Hiva Gambit, Alua 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.
Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation, move by move: e3 e5 Nc3 Nc6 f4 exf4 Nf3
Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation, move by move: e3 e5 Nc3 Nc6 f4 exf4 Nf3
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.