Shuzzles · ShudokuWednesday, 2 September 2026
DiabolicalSwordfish, XYZ- and W-Wings, unique rectangles. Still pure logic — but only just.
26 clues · difficulty rating 430 · 61 logical stepsTechniques: Pointing Pair/Triple ×3, Box/Line Reduction, Y-Wing, W-WingPinch points: 6 (moments with only one move available) · average choices per step 4.7
shuzzles.co.uk/shudoku/2026-09-02/diabolical/