Chess boxing combines brains and brawn — you can win with a knockout or a checkmate
Where it’s popular: United Kingdom, Germany, India, Russia
How it’s played: Chess boxing is the ultimate combination of brains and braun. Competitors square off in alternating rounds of boxing and chess, with the first person to successfully knock out or checkmate their opponent declared the winner. The idea came straight out of a comic book, but has since grown into a serious sport.
How big is it? There are chess boxing clubs in several countries, and there’s even one in Los Angeles. According to the World Chess Boxing Organization, more than 800 people apply to participate in their championship fights.