The World Chess Boxing Organisation (WCBO), keeps control of the sport. The first world championship was in Amsterdam in 2003 and was won by Iepe Rubingh, the starter of the sport. The First European Chess Boxing Championship took place in Berlin on October 1, 2005 when Tihomir Atanassov Dovramadjiev of Bulgaria beat Andreas D'Schneider of Germany after D'Schneider gave up in the seventh round.