Play the lead-up moves in your head before solving. The position shown is several moves behind the puzzle — mentally advance the board, then find the solution. The single most effective drill for calculation depth.
Delete preset
Save preset
Settings
///
Theme/
Color////
Sounds/
Premove/
Board
Pieces
Moves database
AI uses engine eval/
Repeat after every variation/
Soft-fail by eval/
Custom board
Set timer
AI Functions disabled
AI functions are disabled during the open beta. For early access, contact us.