1 “Sudoku is math.”
Truth: It’s placement logic; digits are labels. No arithmetic required.
Sudoku is logic, not arithmetic. We dismantle 12 myths—from guessing to clue count—and share practical tips for clean, fast progress.
sudoku myths • logic not math • candidates • difficulty grading • clean solving
Truth: It’s placement logic; digits are labels. No arithmetic required.
Truth: Quality puzzles are guess-free with techniques like hidden/naked sets, pointing, X-Wing and chains.
Truth: Distribution matters more than raw count; poor layouts can still lock you up.
Truth: They’re core tooling to document deduction and prevent errors.
Truth: Clean logic and low error rate beat raw time for real mastery.
Truth: Aesthetic only; difficulty depends on technique demands.
Truth: Early detection + rollback + candidate refresh isolates errors.
Truth: Many variants—Killer, Diagonal, Thermo, Kropki—apply the same logic under new constraints.
Truth: Search ≠ human-explainable logic. Good editors curate for human flow.
Truth: Start where restriction is highest: dense units, low-candidate cells.
Truth: Usually slower due to backtracking; elimination scales better.
Truth: Great mental exercise, not medical treatment.
Practice these truths on Ozerlyn Sudoku and keep candidates fresh after every move.