By Pawn or by Brawn: Inside the Chessboxing Movement09 April 2018
Rubingh, with his interest piqued by Bilal's panels, founded the World Chess Boxing Organization (WCBO), a sanctioning body that consisted solely of Rubingh.
Shortly afterward, clubs began popping up in Russia, India, Turkey, Iran, and China, with participants encouraged by Rubingh’s Chess Boxing Global arm and intrigued by the exclusivity of chessboxing. Not only was it a fight club, it was one most people didn't know existed. “Say you’re a chessboxer at a party and some really interesting conversation will emerge,” Rubingh says.
The full story is here.