-Please note that there can be significant variation in the average difficulty of questions within a single category, and, therefore, directly comparing statistics may be misleading.

-In order to be eligible to be ranked in a given category, a competitor must have correctly solved at least two questions in that category.

-The below stats reflect the individual’s season mean in each category. Please note that the overall speed/score used in the standings remains the individual’s median score. Additionally, the “average score” for each section is the median competitor’s average score.

Dropdown Example
Season 2, Finals Season 2, Playoffs Season 2, Regular Season Season 1, Regular Season

Season 3 Regular Season Statistics (Through July 20)

Addition/Subtraction
Average score:
Ranking Competitor Seconds/Score
#1 Aaryan Shukla, India 3.9
#2 Samuel Engel, USA 5.6
#3 Tomas Orsi, Argentina 6.3
#4 Rahul Robin, India 7.0
#5 Shakti Kumar, India 7.6
#6 Abhilakshya Arora, India 9.4
#7
#8
#9
#10
#11
#12
Multiplication
Average score:
Ranking Competitor Seconds/Score
#1 Marc Jornet Sanz, Spain 3.5
#2 Aaryan Shukla, India 4.1
#3 Rahul Robin, India 4.1
#4 Abhilakshya Arora, India 4.2
#5 Samuel Engel, USA 4.6
#6 Boris Quach, France 7.9
#7
#8
#9
#10
#11
#12
Square Roots
Average score:
Ranking Competitor Seconds/Score
#1 Kaloyan Geshev, Bulgaria 5.0
#2 Abhilakshya Arora, India 15.8
#3 Tomas Orsi, Argentina 23.1
#4 Samuel Engel, USA 24.3
#5 Rahul Robin, India 36.0
#6 Boris Quach, France 37.9
#7
#8
#9
#10
#11
#12
Multi-Operation (2-4 operations, one-digit)
Average score:
Ranking Competitor Seconds/Score
#1 Kaloyan Geshev, Bulgaria 1.4
#2 Samuel Engel, USA 2.0
#3 Aaryan Shukla, India 2.4
#4
#5
#6
Multi-Operation (5-7 operations, one-digit)
Average score:
Ranking Competitor Seconds/Score
#1 Shakti Kumar, India 7.7
#2 Boris Quach, France 13.2
#3
#4
#5
#6
Multi-Operation (8-10 operations, one-digit)
Average score:
Ranking Competitor Seconds/Score
#1 Aaryan Shukla, India 4.6
#2 Kaloyan Geshev, Bulgaria 4.7
#3 Rahul Robin, India 5.6
#4
#5
#6
Division
Average Score:
Ranking Competitor Seconds/Score
#1 Kaloyan Geshev, Bulgaria 2.4
#2 Aaryan Shukla, India 2.6
#3 Tomas Orsi, Argentina 4.2
#4 Abhilakshya Arora, India 5.4
#5 Samuel Engel, USA 7.2
#6 Giovanni Scambia, Italy 7.4
#7
#8
#9
#10
#11
#12
Multi-Operation (2-4 operations, two-digit)
Average score:
Ranking Competitor Seconds/Score
#1 Rahul Robin, India 2.9
#2 Lucas Abrams, UK 4.2
#3 Tomas Orsi, Argentina 5.5
#4
#5
#6
Multi-Operation (5-7 operations, two-digit)
Average score:
Ranking Competitor Seconds/Score
#1 Abhilakshya Arora, India 7.9
#2 Kaloyan Geshev, Bulgaria 9.1
#3 Rahul Robin, India 16.7
#4
#5
#6
Multi-Operation (8-10 operations, two-digit)
Average score:
Ranking Competitor Seconds/Score
#1 Aaryan Shukla, India 12.1
#2 Rahul Robin, India 15.5
#3 Tomas Orsi, Argentina 16.7
#4
#5
#6

Please note each competitor only receives up to nine total custom categories per match. As a result, it is extremely unlikely that a competitor will receive questions from all custom categories in a single stage of the competition.

Custom Category Leaders
Format 1st 2nd 3rd Average
Factorization
Sum of Squares Kaloyan Geshev, Bulgaria, 3.5
System of Equations Aaryan Shukla, India, 10.7
Cube Roots Marc Jornet Sanz, Spain, 3.8
Cubes & Squares Aaryan Shukla, India, 3.9
Decimal Exponents Marc Jornet Sanz, Spain, 25.4
Decimal Roots Shakti Kumar, India, 29.5
Exponents
Fractions (Addition) Samuel Engel, USA, 26.6
Fractions (Multiplication)
Irregular Exponents Samuel Engel, USA, 78.1
Irregular Roots Rahul Robin, India, 14.9
Mod Aaryan Shukla, India, 4.5
2004 MCWC Abhilakshya Arora, India, 21.2
2006 MCWC Samuel Engel, USA, 7.4
2008 MCWC
2010 MCWC
2012 MCWC
2014 MCWC
2016 MCWC
2018 MCWC
2022 MCWC
2024 MCWC
4th Roots
5th Roots
6th Roots
7th Roots Tomas Orsi, Argentina, 29.8
8th Roots Boris Quach, France, 22.6
A*B*C Kaloyan Geshev, Bulgaria, 8.9
Addition/Division Aaryan Shukla, India, 2.1
Addition/Multiplication Abhilakshya Arora, India, 3.5
Addition/Roots Samuel Engel, USA, 32.6
Division/Multiplication Samuel Engel, USA, 18.2
Division/Roots Aaryan Shukla, India, 5.1
Multiplication/Roots Marc Jornet Sanz, Spain, 10.7

The following leaderboards simply reflect the top standard task performances at the Mental Calculation World Cup.

Addition Leaderboard

  1. Yuki Kimura (Japan) 33 (2016)

  2. Tetsuya Ono (Japan) 32 (2022)

  3. Jeonghee Lee (South Korea) 31 (2016)

  4. Naota Higa (Japan) 31 (2022)

  5. Jeonghee Lee (South Korea) 30 (2018)

Multiplication Leaderboard

  1. Aaryan Shukla (India) 25 (2024)

  2. Aaryan Shukla (India) 21 (2022)

  3. Tomohiro Iseda (Japan) 20 (2018)

  4. Samuel Engel (United States) 19 (2022)

  5. Jeonghee Lee (South Korea) 18 (2016)

Square Roots Leaderboard

  1. Aaryan Shukla (India) 82 (2024)

  2. Aaryan Shukla (India) 74 (2022)

  3. Kaloyan Geshev (Bulgaria) 61 (2024)

  4. Kaloyan Geshev (Bulgaria) 47 (2022)

  5. Granth Thakkar (India) 44 (2022)

Calendar Dates Leaderboard

  1. Aaryan Shukla (India) 100 (2024)

  2. Akshita Shah (India) 80 (2022)

  3. Marc Sanz (Spain) 71 (2018)

  4. Georgi Georgiev (Bulgaria) 66 (2016)

  5. Marc Sanz (Spain) 64 (2014)

The leaderboards listed above simply reflect the top-5 performances in each event at the Mental Calculation World Cup. Please note that MCWC uses a different — more challenging — format than Memoriad.