The finale of the Xtreme Chess Championships is now available to view - see below. 13-year-old Justus Williams played Stanford student Elliott Liu, 22.
All the previous episodes are also available (one, two and three).
See also Danny Rensch's previous blogs about the format here and here.
Left to right (Elliot Liu, Kacie Marie, Jennifer Shahade, Jonathan Corbblah, Greg Shahade, Justus Williams)