262686TBR
Greatest Number of Single-Digit Mental Arithmetic Addition Problems (Three Rows) Solved While Playing Chess Simultaneously in 60 Minutes
G Jagdheeswar
23-Jul-2026
The Greatest Number of Single-Digit Mental Arithmetic Addition Problems (Three Rows) Solved While Playing Chess Simultaneously in 60 Minutes by an Individual (Minor-Male) counted to 548 problems while simultaneously playing chess against 12 opponents, was completed by G Jagdheeswar, Grade-X, MCC Public School in Chennai District, Tamil Nadu, India on July 23, 2026.
262686TBR
262692TBR
262685TBR
262697TBR
262684TBR