Expert Sudoku for 2026-05-17

Expert Sudoku puzzle published on 2026-05-17, with 25 given clues. Solving it requires the following techniques: Hidden Single, Naked Single, Pointing Pair, Naked Pair, 2-String Kite, Swordfish, Finned X-Wing, Unique Rectangle, XYZ-Wing, W-Wing, XY-Wing, Claiming, XY-Chain. 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.