Expert Sudoku for 2026-05-10

Expert Sudoku puzzle published on 2026-05-10, with 28 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, 2-String Kite, XYZ-Wing, Finned X-Wing, XY-Chain, Naked Pair, Naked Triple, XY-Wing, Swordfish, Claiming, W-Wing, Unique Rectangle. 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.