What is chess boxing, and how did it become a sport?

Chess boxing inventor Iepe Rubingh explains the origins and rules of his quirky sport, which was inspired in part by a comic.#ESPNTheOcho #TheOcho✔ Subscribe

Chess boxing - Wikipedia

Chess Boxing - Chess Terms

Chessboxing, boxing and chess board game being played alternately

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What is chess boxing, and how did it become a sport?

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