chalky

adjective3

1. •
   Consisting of or containing chalk.
2. •
   Resembling chalk in some way.

   • The dim, chalky lighting and unsteady camera movements. — 1988
3. •
   (US) Of a tournament: in which the favorites win, or expected to win, most of the games.

   • It’s funny — even though the bracket has been so chalky, several of the top seeds have looked suspect at times. — 2019