Fillmore! Season 1 Episode 12 Of Slain Kings on Checkered Fields Episode Title:Of Slain Kings on Checkered Fields.Episode Description:X Middle School's best hope to break a losing streak in the chess tournament is Checkmatey, a flamboyant rapper who is X's finest chess player. Unfortunately, somebody is out to get him – is it Tyson Pelarez, leader of the Society of the Preservation of Ethics in Chess? Or is it Nelson Kelloch, Checkmatey's biggest rival? Fillmore and Ingrid are on the case – but the clock is ticking down to the championship match and Checkmatey is nowhere to be found...