Maximum 9 x 9 Sudoku Puzzles solved in 30 minutes by a child
The record for solving the maximum number of 9 x 9 Sudoku puzzles was set by Nakshatra Bardhipuram Errolla (born on September 1, 2014) of Hyderabad, Telangana. She solved eight 9 x 9 Sudoku puzzles in 30 minutes using pen and paper, at the age of 7 years, 9 months and 12 days, as confirmed on June 13, 2022.