News and Resources for Competitive and Advanced Mental Calculation
Daniel Timms After the MCWC and JMCWC happen later this month, the next in-person competition will be the Global Mental Math Olympiad 2024 (GMMO). It is organized by LiveMCL, who also run the Mental Math World Cup (online) each Summer. This year, the GMMO will take place in Dubai on 26–27 October 2024, and is open to … Read more
Season 1 of the GMCA’s Mental Calculation League (official website) has concluded, after 25 qualification sessions involving 60 candidates, and 98 total matches held over several months. This was an online event open to all ages, allowing participation worldwide. Qualified contestants competed against each other in head-to-head matches. The top 10 competed in a double-elimination … Read more
What’s been happening recently in the world of mental calculation? What is happening for the rest of 2024? Time for some updates… Reminder: Mental Math World Cup (online) This online competition by LiveMCL will be held in July–August 2024 (online) and last year attracted hundreds of participants around the world. Registration closes this year on May … Read more
The Mental Calculations World Championship (online) 2024 (hosted by the Mind Sports Olympiad as part of their Grand Prix) has just finished, and we have the winners! Out of over 90 entrants, 29 people from 7 countries qualified to this semi-final (Saturday 2nd March), and the top 8 were invited to the final (Sunday 14th … Read more
Registration is open for the Junior Mental Calculation World Championship 2024! Since 2008 this international championship in mental calculation has taken place. Caroline Merkel and the team welcome all young people around the globe aged up to 19 to participate and challenge their skills. I attended the 2018–2023 events as an official trainer, and I’ll be there … Read more
Registration is now open for the Mental Calculation World Cup 2024! (Organized by Ralf Laue) The event will be held on 13–15 September 2024. As in 2022, this year it will be held again in Paderborn (Germany) at the Heinz Nixdorf MuseumsForum. Applications are accepted until 15 June 2024. Refer to the instructions on the World Cup’s official website. Please don’t … Read more
Happy 44 × 46! We start the new year with news that the Mind Sports Olympiad will once again host their online event this Spring as the Mental Calculations World Championship! This will be a part of their Grand Prix, which includes over 100 tournaments in various games and mind sports. The format will be … Read more
2024 is potentially a huge year for mental calculation. Right now, many people are working behind the scenes to organize the next international competitions—including the first international Memoriad since 2016. Announcements will be made once each competition has confirmed dates. In the meantime, I’m introducing a special challenge for groups. Mental Calculation is often done … Read more
The Junior Mental Calculation World Championship returned to Bielefeld on the 30th September–2nd October, as organized by Caroline Merkel since 2008 [official JMCWC website]. 70 competitors from Algeria, Bosnia & Herzegovina, Bulgaria, the Czech Republic, Germany, Hungary, India, Japan, Pakistan, Serbia, South Africa, the UAE and the UK qualified and attended—some for their first time, while others … Read more
Registrations are now open for a new online mental calculation league! This is organized by Global Mental Calculators’ Association (GMCA)—a new organization run by Sam Engel and a small team of gold medalists in mental calculation, aiming to provide regular opportunities for mental calculators around the world to test their skills against others, without the … Read more