Marathon chicanery, handballs, Black Sox and more: sport cheating scandals | Hannah Jane Parkinson

As the chess furore between Carlsen and Niemann rolls on, we take a look at some enduring disputes in sport

Not since Netflix's The Queen's Gambit enthralled 62 million viewers has chess captured mainstream attention to such an extent.

Last month the Norwegian grandmaster Magnus Carlsen, world No 1 and already the rock star" of chess - see GQ profiles and multimillionpound apparel collaborations - accused the American Hans Niemann of cheating after the 19-year-old ended Carlsen's over-the-board 53-match winning sequence.