Who is the greatest chess player in history? And what does the answer have to do with a story of a chess cheating school from Texas?

Who is the greatest chess player in history? And what does the answer have to do with a story of a chess cheating school from Texas? In this week’s More or Less, the BBC’s numbers programme, David Edmonds finds out what a statistical analysis of chess moves can teach us about this ancient board game.

Presenter: David Edmonds

Producer: Darin Graham

Image: A Chess Board

Credit: Getty Images