What is the 'sudoku packing method'?

The Sudoku packing method refers to a cognitive and spatial strategy where a solver 'packs' or groups candidate possibilities tightly into designated sub-regions.

How can I train my brain to spot an X-Wing?

Isolate a single number and visually filter out other pencil notes. Search specifically for exactly two candidate occurrences of that number in a single row.

Top Sudoku Solving Strategies & Methods

Learn advanced Sudoku solving strategies, solver tricks, and the sudoku packing method.