Shuzzles · ShudokuTuesday, 6 October 2026
DiabolicalSwordfish, XYZ- and W-Wings, unique rectangles. Still pure logic — but only just.
28 clues · difficulty rating 430 · 56 logical stepsTechniques: Pointing Pair/Triple, Simple Colouring, Unique RectanglePinch points: 5 (moments with only one move available) · average choices per step 4.5
shuzzles.co.uk/shudoku/2026-10-06/diabolical/