Number Loom · 3 MIN READ
Number Loom: when a box reserves a number for one row
A six-by-six teaching board shows how two possible positions inside one box can rule out an entry elsewhere, even before either position is solved.
A better move starts
with a useful idea.
Concrete explanations for the puzzles you can play here. Read a little, try the idea, and notice what changes.
Number Loom · 3 MIN READ
Number Loom: trace a conflict back to an editable decision
Compare an obvious duplicate with a locally legal mistake on one four-by-four board, then use Clear and Undo without blaming fixed clues for the conflict.
Line Weave · 3 MIN READ
Line Weave: close a completed run without trapping the next
Identify a completed three-square run in an eight-square line, place its necessary empty separators and recognise when a similar-looking fragment is still ambiguous.
Line Weave · 3 MIN READ
Line Weave: a matching row can still disagree with its columns
A five-by-five teaching puzzle makes a row’s local success visibly different from a board-wide solution, with a complete clue set you can reason through.
Tower Relay · 3 MIN READ
Tower Relay: use disc-count parity to choose the first move
A four-disc opening explains why the smallest disc first moves to Tower 2 in Standard, but to Tower 3 in Hard and Expert’s shortest canonical routes.
Tower Relay · 3 MIN READ
Tower Relay: recover a route from a known stack checkpoint
A five-disc position after seven moves separates a harmless cancelled selection, a rejected placement and a legal detour that blocks the next planned disc.