Shuzzles · ShudokuSaturday, 5 September 2026
DiabolicalSwordfish, XYZ- and W-Wings, unique rectangles. Still pure logic — but only just.
28 clues · difficulty rating 430 · 58 logical stepsTechniques: Naked Pair, Pointing Pair/Triple, Naked Triple, Y-Wing, Unique RectanglePinch points: 6 (moments with only one move available) · average choices per step 5.8
shuzzles.co.uk/shudoku/2026-09-05/diabolical/