Rivers is jointly owned by Rush Street Gaming and Churchill Downs Incorporated. The proposed two-story addition will house a poker room, additional gaming areas, a ballroom for events, and a new restaurant. 17, 2021 (GLOBE NEWSWIRE) - Churchill Downs Incorporated (“CDI” or “Company”) (Nasdaq: CHDN) announced today that Rivers Casino Des Plaines (“Rivers”) has filed expansion plans with the City of Des Plaines and Illinois Gaming Board that, if approved, will allow the casino to add approximately 725 gaming positions, making it the first to have the state’s maximum number of 2,000 positions.