World Sudoku Championship 2025. The first world cup under the international puzzle organization (world puzzle federation) was held in lucca, italy, in 2006. Us puzzle championship website, home of the us puzzle team and qualifying for the world puzzle and sudoku championships (wpc and wsc) the u.s.
The world sudoku championship (wsc) is an annual international puzzle competition organised by a member of the world puzzle federation. It follows the olympic standard, and brings together puzzle solvers from around the world for the annual.
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