Ponderchess / Special moves
Turn a pawn's last step into the right new piece.
Reach the farthest rank with your pawn.
Choose a queen, rook, bishop, or knight.
Check the position before automatically choosing a queen.
Play the guided film, or select a scene to pause and study its position.
Rule
Promotion in 3D
A pawn that reaches the far rank must be promoted, on the same move, to a queen, rook, bishop or knight.
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.
A pawn becomes a queen, then a knight wins the game where a queen would not.
Idea 01
Idea 02
Idea 03
A pawn becomes a queen, then a knight wins the game where a queen would not.
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.
