Shuzzles · ShudokuThursday, 3 September 2026
DiabolicalSwordfish, XYZ- and W-Wings, unique rectangles. Still pure logic — but only just.
26 clues · difficulty rating 507 · 71 logical stepsTechniques: Pointing Pair/Triple ×6, Box/Line Reduction ×5, Hidden Pair ×2, Naked Pair, Y-Wing, XYZ-WingPinch points: 8 (moments with only one move available) · average choices per step 5.8
shuzzles.co.uk/shudoku/2026-09-03/diabolical/