Taking Better Puzzle Photos
Ensure good lighting and a straight angle when photographing your puzzle. Avoid shadows and glare for best recognition results.
- •Use natural lighting when possible
- •Keep the camera parallel to the puzzle
- •Ensure the entire grid is visible
- •Avoid casting shadows on the puzzle
Solving Strategies
Learn these basic strategies to improve your Sudoku solving skills:
- •Start with the most filled rows, columns, or boxes
- •Look for single candidates in empty cells
- •Use the scanning technique to find hidden singles
- •Learn to recognize patterns like X-Wing
Common Mistakes to Avoid
Watch out for these common pitfalls when solving Sudoku puzzles:
- •Don't guess numbers - use logic
- •Regularly validate your progress
- •Don't forget to check all three rules (row, column, box)
- •Use pencil marks for candidates