Today's Expert Sudoku puzzle

Expert Sudoku puzzle published on 2026-07-15, with 28 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Triple, Naked Pair, Naked Quad, 2-String Kite, Claiming, XY-Chain, Unique Rectangle, Skyscraper. 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.