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.
Sudoku strategy5 min read
Remote Pairs in Sudoku
A chain of identical pairs alternates two values. Any cell seeing both ends loses them both. Learn the Remote Pairs move.
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The Two-String Kite in Sudoku
The Two-String Kite joins a row pair and a column pair through a shared box to clear a single cell. Learn to spot it.
Read article→Sudoku strategy6 min read
The Empty Rectangle Technique, Explained
The Empty Rectangle uses a digit trapped in one box plus a strong link to clear a cell at the crossing. Here is how.
Read article→Sudoku strategy5 min read
The W-Wing Technique in Sudoku
The W-Wing links two matching pairs through a strong link to clear a shared candidate. Learn to spot this tidy pattern.
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