-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: (a) correctly solved at least two questions in that category; and (b) have a seconds/score of lower than 60.
-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.
-The composite category leaderboard is an average of the median sub-category score and the overall mean for each category.
Calculation League Season 4
Regular Season Statistics
Addition/Subtraction
Average score: 10.1
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Kaede Kodachi, Japan | 4.6 |
| #2 | Aaryan Shukla, India | 4.7 |
| #3 | Shakti Kumar, India | 5.0 |
| #4 | Samuel Engel, USA | 5.6 |
| #5 | Tomas Orsi, Argentina | 6.9 |
| #6 | Archi Garg, India | 7.5 |
| #7 | Abhilakshya Arora, India | 8.1 |
| #8 | Rahul Robin, India | 8.6 |
| #9 | Arshika Gupta, India | 8.6 |
| #10 | Mako Inokawa, Japan | 9.1 |
| #11 | Lucas Abrams, UK | 9.5 |
| #12 | Mishti Shah, India | 9.5 |
Multiplication
Average score: 18.7
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Marc Jornet Sanz, Spain | 5.3 |
| #2 | Abhilakshya Arora, India | 5.9 |
| #3 | Aaryan Shukla, India | 6.3 |
| #4 | Kaede Kodachi, Japan | 9.1 |
| #5 | Kaloyan Geshev, Bulgaria | 9.4 |
| #6 | Samuel Engel, USA | 9.6 |
| #7 | Rahul Robin, India | 10.4 |
| #8 | Archi Garg, India | 13.8 |
| #9 | Mishti Shah, India | 14.2 |
| #10 | Jure Colak, Bosnia & Herzegovina | 14.6 |
| #11 | Achyuttam Garg, India | 16.9 |
| #12 | Boris Quach, France | 18.7 |
Square Roots
Average score: 31.6
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Kaloyan Geshev, Bulgaria | 4.0 |
| #2 | Aaryan Shukla, India | 5.7 |
| #3 | Rahul Robin, India | 11.4 |
| #4 | Marc Jornet Sanz, Spain | 11.7 |
| #5 | Abhilakshya Arora, India | 13.0 |
| #6 | Kamil Kotowicz, Poland | 16.6 |
| #7 | Samuel Engel, USA | 16.6 |
| #8 | Jure Colak, Bosnia & Herzegovina | 16.8 |
| #9 | Arshika Gupta, India | 26.0 |
| #10 | Achyuttam Garg, India | 26.7 |
| #11 | Archi Garg, India | 27.8 |
| #12 | Tomas Orsi, Argentina | 31.3 |
Division
Average Score: 11.5
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Aaryan Shukla, India | 2.6 |
| #2 | Kaloyan Geshev, Bulgaria | 3.1 |
| #3 | Tomas Orsi, Argentina | 5.0 |
| #4 | Rahul Robin, India | 5.1 |
| #5 | Abhilakshya Arora, India | 7.1 |
| #6 | Achyuttam Garg, India | 8.4 |
| #7 | Marc Jornet Sanz, Spain | 8.7 |
| #8 | Kamil Kotowicz, Poland | 9.5 |
| #9 | Shakti Kumar, India | 9.8 |
| #10 | Archi Garg, India | 10.4 |
| #11 | Samuel Engel, USA | 10.6 |
| #12 | Mako Inokawa, Japan | 11.4 |
Multi-Operation (2-4 operations, one-digit)
Average score: 2.8
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Jure Colak, Bosnia & Herzegovina | 2.0 |
| #2 | Samuel Engel, USA | 2.0 | #3 | Kaloyan Geshev, Bulgaria | 2.1 |
| #4 | Aaryan Shukla, India | 2.1 |
| #5 | Marc Jornet Sanz, Spain | 2.3 |
| #6 | Abhilakshya Arora, India | 2.3 |
Multi-Operation (5-7 operations, one-digit)
Average score: 6.1
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Aaryan Shukla, India | 3.2 |
| #2 | Kaloyan Geshev, Bulgaria | 3.5 |
| #3 | Rahul Robin, India | 4.2 |
| #4 | Achyuttam Garg, India | 4.7 |
| #5 | Samuel Engel, USA | 4.9 |
| #6 | Marc Jornet Sanz, Spain | 4.9 |
Multi-Operation (8-10 operations, one-digit)
Average score: 10.7
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Aaryan Shukla, India | 4.7 |
| #2 | Rahul Robin, India | 6.0 |
| #3 | Kaloyan Geshev, Bulgaria | 6.5 |
| #4 | Tomas Orsi, Argentina | 7.6 |
| #5 | Samuel Engel, USA | 8.0 |
| #6 | Achyuttam Garg, India | 9.1 |
Multi-Operation (2-4 operations, two-digit)
Average score: 9.3
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Aaryan Shukla, India | 2.3 |
| #2 | Lucas Abrams, UK | 4.7 |
| #3 | Tomas Orsi, Argentina | 5.1 |
| #4 | Kaloyan Geshev, Bulgaria | 5.2 |
| #5 | Abhilakshya Arora, India | 5.5 |
| #6 | Shakti Kumar, India | 6.1 |
Multi-Operation (5-7 operations, two-digit)
Average score: 32.4
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Aaryan Shukla, India | 6.9 |
| #2 | Tomas Orsi, Argentina | 10.4 |
| #3 | Kaloyan Geshev, Bulgaria | 10.6 |
| #4 | Rahul Robin, India | 17.7 |
| #5 | Shakti Kumar, India | 21.9 |
| #6 | Mako Inokawa, Japan | 25.2 |
Multi-Operation (8-10 operations, two-digit)
Average score: Between 60 and 90
| Ranking | Competitor | Seconds/Score |
|---|---|---|
| #1 | Aaryan Shukla, India | 13.8 |
| #2 | Rahul Robin, India | 14.8 |
| #3 | Kaloyan Geshev, Bulgaria | 17.2 |
| #4 | Jure Colak, Bosnia & Herzegovina | 29.2 |
| #5 | Shakti Kumar, India | 37.0 |
| #6 | Abhilakshya Arora, India | 37.4 |
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 | Aaryan Shukla, India: 9.3 | Kaloyan Geshev, Bulgaria: 9.3 | Abhilakshya Arora, India: 12.4 | 22.4 |
| Factorization (Limited) | Kaloyan Geshev, Bulgaria: 5.8 | Rahul Robin, India: 7.3 | Achyuttam Garg, India: 9.5 | 20.4 |
| Sum of Squares | Kaloyan Geshev, Bulgaria: 3.3 | Aaryan Shuka, India: 4.8 | Tomas Orsi, Argentina: 4.9 | 20.6 |
| System of Equations | Aaryan Shukla, India: 7.0 | Kaloyan Geshev, Bulgaria: 7.4 | Shakti Kumar, India: 8.0 | 25.0 |
| Non-Linear System of Equations | Shakti Kumar, India: 14.4 | Arshika Gupta, India: 17.5 | Tomas Orsi, Argentina: 19.3 | 58.9 |
| Cube Roots | Kaloyan Geshev, Bulgaria: 3.8 | Aaryan Shukla, India: 12.1 | Rahul Robin, India: 27.9 | 55.6 |
| Even Roots | Kaloyan Geshev, Bulgaria: 5.4 | Marc Jornet Sanz, Spain: 8.9 | Jure Colak, Bosnia & Herzegovina: 9.2 | 22.1 |
| Odd Roots | Kaloyan Geshev, Bulgaria: 11.9 | Jure Colak, Bosnia & Herzegovina: 12.0 | Marc Jornet Sanz, Spain: 12.7 | 26.1 |
| Exponents | Lucas Abrams, UK: 5.7 | Kaloyan Geshev, Bulgaria: 6.0 | Aaryan Shukla, India: 6.4 | 21.0 |
| Big Exponents | Shakti Kumar, India: 21.0 | Giovanni Scambia, Italy: 34.8 | Samuel Engel, USA: 47.6 | Between 60 and 90 |
| Irregular Exponents | Marc Jornet Sanz, Spain: 18.5 | Kaloyan Geshev, Bulgaria: 21.5 | Jure Colak, Bosnia & Herzegovina: 23.5 | Above 120 |
| Fraction Approximation | Marc Jornet Sanz, Spain: 24.2 | Kaloyan Geshev, Bulgaria: 40.1 | Aaryan Shukla, India: 42.4 | Above 120 |
| Fractions | Rahul Robin, India: 12.6 | Kaloyan Geshev, Bulgaria: 13.6 | Tomas Orsi, Argentina: 20.9 | 47.5 |
| Compound Interest | Marc Jornet Sanz, Spain: 30.1 | Above 120 | ||
| GCD & LCM | Aaryan Shukla, India: 7.3 | Lucas Abrams, UK: 8.4 | Rahul Robin, India: 8.7 | 15.9 |
| Mod | Aaryan Shukla, India: 4.1 | Kaede Kodachi, Japan: 5.0 | Tomas Orsi, Argentina: 5.4 | 15.6 |
| Next Primes | Shakti Kumar, India: 8.5 | Rounak Chakraborty, India: 17.2 | Kaloyan Geshev, Bulgaria: 17.5 | 46.2 |
| Permutations and Combinations | Kaloyan Geshev, Bulgaria: 9.7 | Abhilakshya Arora, India: 13.9 | Rahul Robin, India: 14.3 | 26.3 |
| 2004 MCWC | Mishti Shah, India: 9.1 | Marc Jornet Sanz, Spain: 9.8 | Tomas Orsi, Argentina: 25.2 | 37.9 |
| 2006 MCWC | Jure Colak, Bosnia & Herzegovina: 4.6 | Aaryan Shukla, India: 5.1 | Abhilakshya Arora, India: 9.8 | 18.1 |
| 2008 MCWC | Rahul Robin, India: 10.4 | Kaloyan Geshev, Bulgaria: 19.2 | Abhilakshya Arora, India: 27.7 | Between 60 and 90 |
| 2010 MCWC | Abhilakshya Arora, India: 15.9 | Marc Jornet Sanz, Spain: 16.3 | Rahul Robin, India: 16.4 | 55.4 |
| 2012 MCWC | Kaloyan Geshev, Bulgaria: 9.8 | Rahul Robin, India: 12.0 | 35.8 | 2014 MCWC | Abhilakshya Arora, India: 26.1 | Giovanni Scambia, Italy: 46.8 | Lucas Abrams, UK: 64.1 | Between 60 and 90 |
| 2016 MCWC | Tomas Orsi, Argentina: 2.6 | Jure Colak, Bosnia & Herzegovina: 6.3 | Shakti Kumar, India: 9.6 | 28.7 |
| 2018 MCWC | Aaryan Shukla, India: 11.8 | Tomas Orsi, Argentina: 23.0 | Shakti Kumar, India: 23.1 | Between 60 and 90 |
| 2022 MCWC | Lucas Abrams, UK: 5.7 | Shakti Kumar, India: 8.4 | Rahul Robin, India: 11.2 | 29.6 |
| 2024 MCWC | Rahul Robin, India: 56.3 | Samuel Engel, USA: 76.7 | Aaryan Shukla, India: 89.6 | Above 120 |
| A*B*C | Kaede Kodachi, Japan: 20.0 | Kamil Kotowicz, Poland: 23.3 | 34.7 | |
| Addition/Division | Kaloyan Geshev, Bulgaria: 4.3 | Aaryan Shukla, India: 4.4 | Achyuttam Garg, India: 6.1 | 17.6 | Addition/Multiplication | Kaloyan Geshev, Bulgaria: 3.2 | Shakti Kumar, India: 4.9 | Tomas Orsi, Argentina: 5.5 | 7.2 |
| Addition/Roots | Aaryan Shukla, India: 6.4 | Samuel Engel, USA: 21.6 | Jure Colak, Bosnia & Herzegovina: 30.2 | 47 |
| Division/Multiplication | Aaryan Shukla, India: 9.3 | Rahul Robin, India: 16.8 | Tomas Orsi, Argentina: 22.0 | Above 120 |
| Division/Roots | Marc Jornet Sanz, Spain: 6.6 | Archi Garg, India: 8.4 | Achyuttam Garg, India: 12.6 | 16.1 |
| Multiplication/Roots | Giovanni Scambia, Italy: 2.8 | Aaryan Shukla, India: 3.3 | Samuel Engel, USA: 8.0 | 10.8 |
Composite Category Leaderboard
| Category | Multioperation | Standard | Complex |
|---|---|---|---|
| 1st | Aaryan Shukla, India: 4.8 | Aaryan Shukla, India: 5.0 | Kaloyan Geshev, Bulgaria: 10.3 |
| 2nd | Kaloyan Geshev, Bulgaria: 6.2 | Kaloyan Geshev, Bulgaria: 6.6 | Aaryan Shukla, India: 11.1 |
| 3rd | Rahul Robin, India: 6.7 | Abhilakshya Arora, India: 7.5 | Rahul Robin, India: 14.2 |
| 4th | Tomas Orsi, Argentina: 7.9 | Marc Jornet Sanz, Spain: 9.4 | Jure Colak, Bosnia & Herzegovina: 19.7 |
| 5th | Shakti Kumar, India: 8.5 | Rahul Robin, India: 9.5 | Marc Jornet Sanz, Spain: 21.2 |
| 6th | Abhilakshya Arora, India: 8.8 | Samuel Engel, USA: 10.6 | Achyuttam Garg, India: 22.3 |
| 7th | Marc Jornet Sanz, Spain: 9.1 | Tomas Orsi, Argentina: 11.9 | Shakti Kumar, India: 22.8 |
| 8th | Achyuttam Garg, India: 9.6 | Jure Colak, Bosnia & Herzegovina: 13.0 | Tomas Orsi, Argentina: 22.8 |
| 9th | Jure Colak, Bosnia & Herzegovina: 10.1 | Kaede Kodachi, Japan: 13.3 | Abhilakshya Arora, India: 25.9 |
| 10th | Samuel Engel, USA: 10.3 | Archi Garg, India: 13.6 | Samuel Engel, USA: 27.5 |
| 11th | Arshika Gupta, India: 10.3 | Achyuttam Garg, India: 14.3 | Arshika Gupta, India: 28.8 |
| 12th | Archi Garg, India: 10.6 | Shakti Kumar, India: 17.0 | Kamil Kotowicz, Poland: 31.7 |
| 13th | Kamil Kotowicz, Poland: 10.8 | Mako Inokawa, Japan: 17.9 | Giovanni Scambia, Italy: 35.7 |
| 14th | Lucas Abrams, UK: 11.7 | Mishti Shah, India: 17.9 | Archi Garg, India: 37.3 |
| 15th | Mako Inokawa, Japan: 11.7 | Kamil Kotowicz, Poland: 18.5 | Domenico Mancuso, Italy: 38.2 |
The following leaderboards simply reflect the top standard task performances at the Mental Calculation World Cup.
Addition Leaderboard
Yuki Kimura (Japan) 33 (2016)
Tetsuya Ono (Japan) 32 (2022)
Jeonghee Lee (South Korea) 31 (2016)
Naota Higa (Japan) 31 (2022)
Jeonghee Lee (South Korea) 30 (2018)
Multiplication Leaderboard
Aaryan Shukla (India) 25 (2024)
Aaryan Shukla (India) 21 (2022)
Tomohiro Iseda (Japan) 20 (2018)
Samuel Engel (United States) 19 (2022)
Jeonghee Lee (South Korea) 18 (2016)
Square Roots Leaderboard
Aaryan Shukla (India) 82 (2024)
Aaryan Shukla (India) 74 (2022)
Kaloyan Geshev (Bulgaria) 61 (2024)
Kaloyan Geshev (Bulgaria) 47 (2022)
Granth Thakkar (India) 44 (2022)
Calendar Dates Leaderboard
Aaryan Shukla (India) 100 (2024)
Akshita Shah (India) 80 (2022)
Marc Sanz (Spain) 71 (2018)
Georgi Georgiev (Bulgaria) 66 (2016)
Marc Sanz (Spain) 64 (2014)