Shuzzles · ShudokuTuesday, 1 September 2026
DiabolicalSwordfish, XYZ- and W-Wings, unique rectangles. Still pure logic — but only just.
28 clues · difficulty rating 430 · 64 logical stepsTechniques: Pointing Pair/Triple ×7, Naked Pair ×3, W-WingPinch points: 6 (moments with only one move available) · average choices per step 7.0
shuzzles.co.uk/shudoku/2026-09-01/diabolical/