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The Mental Calculation World Cup 2014 was held from 10/10/2014 to 12/10/2014 in the Faculty of Mathematics in Dresden University of Technology, Germany. 39 mental calculators from 17 countries participated. The World Cup involved the following 5 main contests: Adding ten 10-digit numbers, 10 tasks in 7 minutes
The Mental Calculation World Cup is considered the most challenging and respected international competition that attempts to find the world's best mental calculator, and also the best at specific types of mental calculation, such as addition, multiplication, square root or calendar reckoning. The Mental Calculation World Cup is arranged every ...
Robert Fountain (born in 1969) is a British mental calculator. He won the first Mental Calculation World Cup in 2004 and the second Mental Calculation World Cup in 2006. [1] [2] [3] In 1999 he was recognised by the Mind Sports Organisation as the first Grandmaster of Mental Calculation. Fountain was inspired to take up mental calculation as a ...
He is also known as the only Mental Calculator to win all possible titles in Calendar Calculations, this being the World Cup, Memoriad and the World Record, in 2008. Jan van Koningsveld also held the world record for multiplying two five-digit numbers. He solved ten tasks correctly in 3:06 minutes on 25 November 2005.
Shukla won the 2022 Mental Calculation World Cup at the age of 12 years old, [2] [3] setting event records in multiplication and square roots in the process. Additionally, during the record attempts portion of the event, he broke the organizer's record for division [ 4 ] and multiplied two 20-digit numbers together in 1 minute and 45 seconds.
Mental calculation often involves the use of specific techniques devised for specific types of problems. People with unusually high ability to perform mental calculations are called mental calculators or lightning calculators. Many of these techniques take advantage of or rely on the decimal numeral system.
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Mental calculation: Mental Calculation World Cup: Individuals 2004 Aaryan Nitin Shukla (2024) 2026 Two years MSO Mental Calculation World Championship: Individuals 1998 Kaloyan Geshev (2024) 2025 One year Junior Mental Calculation World Championship: Individuals (age restricted) 2013 (2023) Andrej Zivanovic (Juniors 1) Kaloyan Geshev (Juniors 2)