Expert Sudoku for 2026-06-01

Expert Sudoku puzzle published on 2026-06-01, with 25 given clues. Solving it requires the following techniques: Hidden Single, Naked Single, Pointing Pair, Naked Pair, Naked Quad, XYZ-Wing, W-Wing, Finned X-Wing, XY-Chain, Skyscraper, Claiming, 2-String Kite, Continuous Nice Loop, 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.