Fastest child to orally solve a 6 x 6 Sudoku puzzle blindfolded
The record for being the fastest to orally solve a 6 x 6 Sudoku puzzle blindfolded was set by Kishan Patel B. (born on April 12, 2016) of Hassan, Karnataka. He orally solved a 6 x 6 Sudoku puzzle in 1 minute and 23 seconds by calling out the numbers, at the age of 7 years and 5 months, as confirmed on September 12, 2023.