SportsChess boxingTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSportsAlexander Dluzak08/22/2015August 22, 2015What was originally conceived as performance art has developed into an actual sport. Chess boxing championships are growing in popularity. Fighters have to compete in the boxing ring as well as on the chess board.https://p.dw.com/p/1DsTqAdvertisement