World Chess Boxing Championship Highlights

For those who have never seen chess boxing, here's a highlight reel from the world championships, which took place in Berlin last week:

Nikolay Sazhin beat Frank Stoldt in the final as 1,000 fans looked on.

For the uninitiated, chess boxing is exactly what it sounds like -- half chess, half boxing, alternating playing chess for a few minutes with boxing for a few minutes, with matches ending by a checkmate or a knockout. The sport's governing body is the World Chess Boxing Organization.