Shapedoku Articles · Page 25
Play smarter, think sharper
Guides for new players, strategies to solve faster, and the real benefits of a daily puzzle habit. Everything you need to get more out of Shapedoku and Sudoku.
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Remote Pairs in Sudoku
The remote pairs Sudoku technique links identical bivalue cells into a chain of opposites, so any cell seeing both ends loses both candidates.
Read article→The Two-String Kite in Sudoku
The two string kite in Sudoku joins a row pair and a column pair through a shared box to clear one cell. Learn to spot the pattern and eliminate.
Read article→The Empty Rectangle Technique, Explained
The empty rectangle Sudoku move pairs a digit trapped in one box with a strong link to clear a cell at the crossing. See it worked step by step here.
Read article→The W-Wing Technique in Sudoku
The W-Wing Sudoku move links two matching pairs through a strong link to clear a shared candidate. Learn to spot this tidy pattern with a worked example.
Read article→