Sudoku Training
Try our interactive Sudoku board with all implemented features
Load puzzle by difficulty
Istruzioni navigazione da tastiera:
- Usa le frecce direzionali per muoverti tra le celle
- Premi i numeri 1-9 per inserire un valore
- Premi Backspace o Delete per cancellare
- Premi Tab per passare ai controlli
- Premi C per attivare/disattivare i candidati
- Premi U per annullare, R per ripetere
Features
- 9×9 grid rendering with highlighting
- Keyboard and mouse input
- Values / candidates mode switching
- Unlimited undo/redo
- Game timer
- Conflict validation
- Accessibility support (screen reader)
- Responsive design
- Advanced hint system
- Puzzle analyzer with technical report
Keyboard controls
- 1-9 Insert number
- Backspace Delete
- Arrow Keys Move selection
- C Switch mode (Values/Candidates)
- U Undo
- R Redo
- Tab Accessibility navigation
Export JSON
Select the text and copy it (Ctrl+C), then paste it into the analyzer.