Is there a resource for stores participating in the Store championships?
Store Championship List
Try this article: https://www.fantasyflightgames.com/en/news/2019/12/27/2020-roadmap-for-star-wars-x-wing-organized-play/
FFG also has the 2020 Store Championship Event Outline.
I'm curious if we'll even get a list like we used to. I haven't seen much in the way of local stores promoting a SC. I know one got a kit eventually after being sent a wrong kit.