What Actually Happens at a Sudoku World Championship?

An overview and few lessons from the World Sudoku Championship and other high-level Sudoku competitions. Event description, conditions, main features and prizes.

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Kirchheim, Germany. 30th Sep, 2019. An organizer holds up a bow with Sudoku puzzles, while in the background participants of the Sudoku World Championship brood over their puzzles. Until Saturday, around 230

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