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Mental calculation
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====Mind Sports Organisation==== The [[Mind Sports Organisation]] recognizes six grandmasters of mental calculation: [[Robert Fountain (mental calculator)|Robert Fountain]] (1999), [[George Lane (mental calculator)|George Lane]] (2001), [[Gert Mittring]] (2005), Chris Bryant (2017), [[Wenzel GrΓΌΓ]] (2019), and Kaloyan Geshev (2022), and one international master, [[Andy Robertshaw]] (2008). In 2021, [[Aaryan Nitin Shukla]] became the youngest champion ever at an age of just 11 years.
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