Expert Sudoku for 2026-05-05

Expert Sudoku puzzle published on 2026-05-05, with 27 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Pair, Claiming, Naked Quad, Naked Triple, XY-Wing, Unique Rectangle, XY-Chain, Naked Pair, X-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.