Sudoku is a logic-based number placement puzzle. The objective is to fill a 9×9 grid so that each column, each row, and each of the nine 3×3 boxes contains the digits from 1 to 9. The puzzle setter provides a partially completed grid.
Completed Sudoku puzzles are a type of Latin square, with an additional constraint […]

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In this tutorial, the last of the “tips” series, Carol Vorderman teaches us how to find “the only one that fits”.

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Here you learn how to combine the information in mini-grids with rows and columns in order to discover wich is the correct nuber easily, specially when it appears to be not very obvious.
Again, starring Carol Vorderman.

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This tutorial explains how to use the basic technique, “Slicing and Dicing”, in order to complete an easy Sudoku game.
Starring Carol Vorderman

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A basic explanation of Sudoku rules by Carol Vorderman. Teaches us about the rows, columns and mini-grids, and explains the 3 rules.
Only for begginers, seriously.

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