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    Jan Van Koningsveld: Mental Calculation, Memoriad Celebrity

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    WORLDMEMORIAD

    WORLDMEMORIAD

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    Jan Van Koningsveld is a Mental Calculation World Cups Champion. His mental calculation skills, especially his mental calendars & mental square roots genius, made him the World Mental Calculation Champion several times. His extraordinary mental calculation skills made him a world celebrity. He is one of the celebrities who participates to Memoriad (TM) World Memory Olympiad (World Mental Calculation, Memory & Photographic Speed Reading Competitions) from Germany.