The Junior Mental Calculation World Championship is held every year in Germany, organized by Caroline Merkel. Their official website has all details, past results, and how to register to attend next year’s world championship, where hopefully many young human calculator from all over the world will be able to meet together again in Germany.
This year an online championship is held in place of the usual event. This is held within a Zoom call, where participants race against a timer to solve increasingly-challenging mental maths problems. The top scorers compete in a final for the medal positions.
“Juniors 1” (ages under 12)
65 participants took part, representing Algeria, Bosnia & Herzegovina, Bulgaria, India, Serbia, South Africa and the United Arab Emirates. In fact the organizers made the questions the same difficulty level as for Juniors 2, and still many participants scored very highly! But there was room in the final only for 12 young calculators:
[70] Aaryan Shukla
[70] Archita Pal
[65] Jayadithya Shetty
[64] Garvita Raj
[63] Kirtan Sirvi
[61] Vandan Nyati
[57] Kaloyan Geshev
[56] Stiaan Scheepers
[53] Siddhi Mukesh Jain
[43] Ovi Nikam
[32] Hrishikesh Bunage
[21] Sreevaishanavi Neermanvi
+ fifty-three other participants
🇮🇳 Aaryan had a perfect score in both rounds, and shares the gold medal while being one of the youngest participants in this online competition!
🇦🇪 Archita also had another perfect score in both rounds, proving that she is an exceptionally reliable human calculator! She shares the gold medal.
🇮🇳 Jayadithya solved almost everything correctly—only missing the factorization of 29393—and gets 3rd place with 65/70 points.
🇮🇳 Garvita also just missed one answer in the final—for the bracket multiplications—and wins the 4th place.
“Juniors 2” (ages under 15)
47 participants took part, representing Algeria, Germany India, Iran, Morocco, Serbia, South Africa and the United Arab Emirates. There were some great scores, including by many who narrowly missed the final! The top scores were:
[63] Asmita Pal
[62] Gunishka Mukesh Jain
[57] Abhilakshya Arora
[57] Sreenidhi Neermanvi
[53] Smit Dharmesh Patel
[52] Mudrika Garg
[50] Aaryan Gupta
[48] Aayush Panchal
[46] Mishti Shah
[39] Rathang Joshi
[34] Kaushal Rahul Erande
[22] Mahim Jain
+ thirty-five more participants
🇦🇪 Asmita—the gold medal winner for this age category last year—achieved another 1st place to add to her collection of various medals in mental calculation!
🇮🇳 Gunishka had a very strong performance in both rounds, and won a very well-deserved medal. The only question for which she lost marks in the final was simply because her square roots answer was given to high accuracy rather than rounding, so this was a top-class performance from another outstanding mental calculator.
🇮🇳 Abhilakshya—last year’s Juniors 2 silver medallist—and 🇮🇳 Sreenidhi tied on 57 out of 68 points for a shared bronze medal.
“Seniors” (ages under 20)
Only 16 competitors aged between 15 and 19 were registered for this competition, so everyone competed in a single round of 27 questions. Some of the questions were much tougher than for the Seniors level, including factorizations of 6-digit numbers and cube roots of 12-digit numbers. The following contestants answered more than half of the questions correctly:
[109] Shashank Sunder Jain
[104] Mohammad El Mir
[97] Radhika Maheshwari
[95] Deepak Nagar
[87] Sakshi Kolthari
[83] Nandini Lalwani
[78] Viddhi Bothara
[69] Jiya Jogen Maniar
[62] Senani Badis
[59] Matvei Belov
[56] Uvakshi Gupta
+ several other participants
🇮🇳 Shashank wins the gold medal, with a perfect score until the 18th question!
🇱🇧 Mohammad had a shaky start on the questions, being in sixth place by question 6, but then staged a very impressive fightback with 19 consecutive correct questions during the most difficult part of the competition, and wins another silver medal!
🇮🇳 Radhika was unbeatable on most categories of calculation and achieved the bronze medal to add to the medals she has won in previous years.
There may be further media posted here for all age categories.