Stay update to with the 48th Annual World Series of Poker schedule. Get the latest information Rio All-Suite Hotel & Casino West Flamingo Road Di., Juli. Rio Hotel & Casino presents the Word Series of Poker Circuit Event, running February 17 - 27, , highlighted by a $1, main event. Play in daily tournaments at the Rio Casino Las Vegas. poker action with cash games of all stakes and a full daily schedule of Las Vegas poker tournaments.