Hardest Sudoku

Hardest Sudoku — SE grade 1

SE grade 1.0 to 2.0

By The Hardest Sudoku Team · Last updated

TL;DR

The gentlest puzzles. Solvable end-to-end by spotting naked and hidden singles — no candidate bookkeeping required.

What is a SE grade 1 puzzle like?

The gentlest puzzles. Solvable end-to-end by spotting naked and hidden singles — no candidate bookkeeping required.

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 →