Video mixing chess games on tv in Norway using Ethernet Shield

The NRK article is the more interesting read with lots of in-depth technical info http://nrkbeta.no/2014/08/13/nrk-breaks-new-ground-to-show-c...

Looks like they generated the real-time TV graphics with HTML5, and then reused that same HTML5 for their webpage. The Arduinos were used to automatically control video switchers in sync.