The most knots undone by a dog in three minutes is 14, and was achieved by ‘Ben’, who is owned by Claudia Neumann (Germany), at the Vienna Recordia event, in Vienna, Austria, on 26 September 2010.

Ben is a cross between a Shih Tzu and Japanese Chin aka Japanese Spaniel.
In accordance with the guidelines, square knots were used for the attempt. Once Ben had undone them, he handed the elasticated ropes to his owner. Vienna Recordia event 2010.