2020 US Chess Online Invitationals
Home for the 2020 US Chess National Online Tournaments of State Champions:
Denker, Barber, Rockefeller, Haring and Senior Online National Invitational Championships.
Rules: https://new.uschess.org/sites/default/files/media/documents/2.-rules.-national-online-tournaments-of-state-champions-2020.-2020.07.15.4_0.pdf
Overview, Schedule, Prizes: https://new.uschess.org/sites/default/files/media/documents/1.-overview-schedule-prizes.-national-online-tournaments-of-state-champions-2020.-2020.07.15.2.pdf