The first Mental Calculation World Cup was held in Annaberg-Buchholz, Germany on 30 October 2004. There were 17 participants from 10 countries. The World Cup involved the following contests :
Adding ten 10-digit numbers, 10 tasks in 10 minutes
*Winner: Alberto Coto ; 10 correct results; 5:50 minutes, world record
Multiplying two 8-digit numbers, 10 tasks in 15 minutes
*Winner: Alberto Coto, 8 correct results
Calendar Calculations, two series one minute each, dates from the years 1600–2100
*Winner: Matthias Kesselschläger, 33 correct results, world record
Square Root from 6-digit numbers, 10 tasks in 15 minutes
The second Mental Calculation World Cup was held on 4 November 2006 in the Mathematikum museum in Gießen, Germany. 26 Calculators from 11 countries took part. The World Cup involved the following contests :
Adding ten 10-digit numbers, 10 tasks in 10 minutes
Multiplying two 8-digit numbers, 10 tasks in 15 minutes
*Winner: Alberto Coto
Calendar Calculations, two series one minute each, dates from the years 1600–2100
*Winner: Matthias Kesselschläger
Square Root from 6-digit numbers, 10 tasks in 15 minutes
*Winner: Robert Fountain
Robert Fountain defended his title in the overall competition, the places 2 to 4 have been won by Jan van Koningsveld, Gert Mittring and Yusnier Viera Romero.
The Mental Calculation World Cup 2008 was held at the University of Leipzig, Germany on 1 July 2008. It attracted 28 calculators from 12 countries.
Adding ten 10-digit numbers, 10 tasks in 10 minutes
*Winner: Alberto Coto, 10 correct results in 4:26 minutes. world record
Multiplying two 8-digit numbers, 10 tasks in 15 minutes
*Winner: Alberto Coto, 10 correct results in 8:25 minutes, world record
Calendar Calculations, dates from the years 1600–2100, one minute
*Winner: Jan van Koningsveld, 40 correct results
Square Root from 6-digit numbers, 10 tasks in 15 minutes
*Winner: Jan van Koningsveld
Alberto Coto won the overall title. Jan van Koningsveld, starting for Germany this time, became second, and Jorge Arturo Mendoza Huertas finished third. Robert Fountain, who won the title in 2004 and 2006, achieved a fourth rank.
The Mental Calculation World Cup 2010 was held at the University of Magdeburg, Germany on 6–7 June 2010. It attracted 33 calculators from 13 countries.
Adding ten 10-digit numbers, 10 tasks in 10 minutes
*Winner: Alberto Coto, 10 correct results in 3:42 minutes, world record
Multiplying two 8-digit numbers, 10 tasks in 15 minutes
*Winner: Marc Jornet Sanz, 10 correct results in 4:56 minutes, world record
Calendar Calculations, dates from the years 1600–2100, one minute
*Winner: Yusnier Viera, 48 correct results, world cup record
Square Root from 6-digit numbers, 10 tasks in 6:51 minutes,world cup record
Priyanshi Somani won the overall title. Marc Jornet Sanz came second, and Alberto Coto finished third.
Mental Calculation World Cup 2012
The Mental Calculation World Cup 2012 was held from 30/9/2012 to 01/10/2012 in the Mathematikum museum in Gießen, Germany. 32 calculators from 16 countries participated. The world cup involved the following 5 main contests :
Adding ten 10-digit numbers, 10 tasks in 7 minutes
*Winner: Naofumi Ogasawara ; 10 correct results in 191 seconds, world record
Multiplying two 8-digit numbers, 10 tasks in 10 minutes
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
*Winner: Granth Thakkar ; 10 correct results in 242 seconds,
Multiplying two 8-digit numbers, 10 tasks in 10 minutes
*Winner: Marc Jornet Sanz, 10 correct results in 295 seconds, world cup record
Calendar Calculations, one minute, random dates from the years 1600–2100
*Winner: Marc Jornet Sanz, 64 correct results, world cup record
Square Roots from 6-digit numbers, 10 tasks in 10 minutes
*Winner: Rhea Shah, 10 correct results in 135 seconds, world cup record
Most Versatile Calculator
*Winner: Andreas Berger, 365/500
Granth Thakkar won the title in the overall competition. Marc Jornet Sanz was 2nd overall, and Chie Ishikawa was 3rd.
The Mental Calculation World Cup 2016 was held from 23-25 September 2016, in Bielefeld Germany. 31 mental calculators from 16 countries participated. The World Cup involved the following 5 main contests:
The Mental Calculation World Cup 2018 was held on 28-30 September 2018 at the Phaeno Science Center in Wolfsburg, Germany. 82 calculators from 24 countries applied for the qualification; 33 calculators from 17 countries were qualified and took part at the contest in Wolfsburg. The World Cup involved the following 5 main contests:
Adding ten 10-digit numbers, 7 minutes
*Winner: Lee Jeonghee
Multiplying two 8-digit numbers, 10 minutes
*Winner: Tomohiro Iseda
Calendar Calculations, one minute, random dates from the years 1600–2100
*Winner: Marc Jornet Sanz, 71 correct results, world cup record
Square Roots from 6-digit numbers, 10 minutes
*Winner: Tomohiro Iseda
Most Versatile Calculator
*Winner: Wenzel Grüß
Tomohiro Iseda won the title in the overall competition. Hiroto Ihara finished second and Wenzel Grüß third.
The Mental Calculation World Cup 2020 was planned to be held on 21-23 August 2020 at Heinz Nixdorf MuseumsForum in Paderborn, Germany. Due to the COVID-19 pandemic, it had to be postponed to 2021.
