The world's fastest Kakuro solver (and Jeopardy Hall Of Famer!)

We explain some of the basics about the Kakuro puzzle while reviewing the solves of Jason Zuffranieri - the fastest solver of these puzzles in the World. (Jason is also in the top 3 of the Jeopardy! Hall Of Fame). His speed is eye-wateringly fast so try not to blink... #jeopardyjason