WPC 2003: Arnhem (Netherlands)

The 12th World Puzzle Championship (and Congress) took place from October 14 - 19, 2003 in Arnhem, Netherlands, in Papendal National Sports Center. Instruction booklet: DownloadPuzzle booklets: Available for purchase…

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WPF Puzzle and Sudoku Ratings

In various sports exist some kind of ranking. One example is in tennis with the ATP world ranking, another one in chess with the FIDE world ranking using the Elo…

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