Hardest Sudoku — SE grade 3
SE grade 3.0 to 5.0
By The Hardest Sudoku Team · Last updated
TL;DR
Intermediate. Pairs and locked candidates (pointing/claiming) start to matter — you eliminate candidates rather than place values directly.
What is a SE grade 3 puzzle like?
Intermediate. Pairs and locked candidates (pointing/claiming) start to matter — you eliminate candidates rather than place values directly.
Which techniques does this band need?
Puzzles in this band typically require:
Where does this sit on the scale?
See the full ladder on the SE grade page. The hardest puzzles — the monsters — live at the top of the scale; meet them on What is the hardest Sudoku?
Play puzzles at this grade →