Calendar Puzzle Solver

Leave exactly the selected month, day, and weekday uncovered.

Piece definitions

One piece per block. Use # for occupied squares and . for empty. The solver tries rotations and mirrored variants automatically.

Ready.

Practice Statistics

Analyze many solved boards to spot openings, anchors, neighbors, and pieces that like the same zones.

No analysis run yet.

Board Hot Spots

Selected Piece Heatmap

Most Common Piece Neighbors

Average Distance From Open Cells

Strongest Cell Habits

Practice Notes