Expert Sudoku for 2026-05-27
Expert Sudoku puzzle published on 2026-05-27, with 28 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Triple, Naked Triple, Naked Quad, Skyscraper, Pointing Pair, Naked Pair, Finned X-Wing, XY-Chain, Unique Rectangle, XYZ-Wing, X-Wing, 2-String Kite, W-Wing. Every puzzle on this site is generated by Dancing Links and then verified by a tiered human-style solver, so it is guaranteed solvable with logic alone – no guessing or backtracking.