Expert Sudoku for 2026-02-23

Expert Sudoku puzzle published on 2026-02-23, with 30 given clues. Solving it requires the following techniques: Naked Single, Naked Quad, Unique Rectangle, Hidden Single, XYZ-Wing, XY-Chain, XY-Wing, BUG+1. 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.