World Chess Boxing Organisation - Sports league | Facebook
What is chess boxing, and how did it become a sport? | ESPN 8: The Ocho - YouTube
Germany's Frank Stoldt (L) makes the next chess move against David Depto from the U.S. during the first chess boxing light heavyweight world championship fight in Berlin November 3, 2007. Stoldt won
Mystery of Chess Boxing 20th Anniversary Blu-ray Special Edition | The Mystery Of Chess Boxing Wiki | Fandom