Calculation League Season 4 Competitor Information:
MCWC —- 暗算世界大会
MSO —- マインドスポーツオリンピアード 暗算競技
JMCWC —- ジュニア暗算世界選手権
Aaryan Shukla (India): Season 3 Calculation League champion; 2nd place in Seasons 1 and 2; two-time defending MCWC champion; former MSO champion; MCWC record holder in multiplication, square roots, and calendar dates.
Abhilakshya Arora (India): 5th place in Season 1; 6th place in Season 3; 2nd place at 2025 MSO, 3x top-3 finisher; 3x defending champion at JMCWC (4x champion in age category),
Achyuttam Garg (India): 14th place in Season 3; 11th place in Season 2.
Archi Garg (India): 21st place in Season 3.
Arshika Gupta (India): 16th place in Season 3.
Boris Quach (France): 19th place in Seasons 2 & 3; 3x MCWC participant, 11th place at 2024 MCWC.
Domenico Mancuso (Italy): 8th place in Seasons 1 and 2; 13th place in Season 3; Italian teacher and philosopher, several Italian national championships in mental calculation; 2x MCWC participant (8th place in 2024 MCWC).
Giovanni Scambia (Italy): 13th place in Season 2; 18th place in Season 3.
Jure Colak (Bosnia & Herzegovina): 9th place in Season 1; 6th place in Season 2.
Kaede Kodachi (Japan): 8th place in Season 3.
Kaloyan Geshev (Bulgaria): 3rd place in Seasons 1, 2, and 3; four-time defending champion at MSO; 2nd place at 2024 MCWC (6th place at 2022 MCWC); 4x age category champion at JMCWC
Kamil Kotowicz (Poland): 12th place in Season 1, 9th place in Seasons 2 & 3.
Lucas Abrams (UK): 15th place in Season 3.
Mako Inokawa (Japan): 11th place in Season 1; 17th place in Season 2; 12th place in Season 3.
Marc Jornet Sanz (Spain): 10th place in Season 2; 7th place in Season 3; Spanish mathematician; 3 top-5 finishes at MCWC, including 2nd in 2014 and 2010.
Mishti Shah (India): 10th place in Season 1; 12th place in Season 2. 5th place at 2024 MCWC.Mis
Rahul Robin (India): 4th place in Seasons 1, 2, and 3.
Rounak Chakraborty (India): Season 3 competitor.
Samuel Engel (USA): 7th place in Seasons 1 and 2; 5th place in Season 3; 4th place at 2024 MCWC, 5th place at 2022 MCWC, 6th place at 2018 MCWC.
Samuel Stripoli (Italy): Season 3 competitor; defending champion at Italian national championship; runner-up at 2024 Italian championship.
Sara Chandani (India): Indian mental math competitor.
Shakti Kumar (India): 10th place in Season 3; masters in mathematical finance from Columbia.
Tomas Orsi (Argentina): 11th place in Season 3.
Ufuoma Asarhasa (Nigeria): Nigerian mental math competitor; PhD student in mathematics at Penn State.
