Maximum 4 x 4 Sudoku puzzles with letters solved by a kid
The record for solving the maximum number of 4×4 Sudoku puzzles with letters was set by Sahal Rahman A M (born on March 21, 2016) of Palakkad, Kerala. He solved 10 (4 x 4) Sudoku puzzles with letters in 5 minutes and 28 seconds at the age of 6 years, 2 months and 19 days, as confirmed on June 9, 2022.