Shuzzles · ShudokuTuesday, 29 September 2026
DiabolicalSwordfish, XYZ- and W-Wings, unique rectangles. Still pure logic — but only just.
26 clues · difficulty rating 430 · 60 logical stepsTechniques: Pointing Pair/Triple ×4, W-WingPinch points: 3 (moments with only one move available) · average choices per step 5.3
shuzzles.co.uk/shudoku/2026-09-29/diabolical/