Puzzles
Interactive solvers built with Claude Code for the Jane Street monthly puzzles. Each one keeps its state in your browser, and lets you save named snapshots or export/import a board as a file.
About these solvers
These boards persist to your browser's local storage, so a reload keeps your progress. Use the export and import buttons on each page to save a board to a file or move it to another device.
July 2026: Pent-Up Frustration
Place one tower per region, then walk the knight from the bottom-left square. Scores, clue checks, and the answer update live as you build the path.
May 2026: Arch Madness
Set the grid size, paint green cells, and cycle arcs through white cells. Scores update live, and a built-in solver can enumerate valid completions for cells you mark uncertain.