Expert Sudoku for 2026-02-01

Expert Sudoku puzzle published on 2026-02-01, with 25 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Triple, Claiming, Naked Quad, W-Wing, Naked Pair, Naked Triple, Pointing Pair, XY-Wing, Unique Rectangle, 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.