After entering the bridge club press the Hamburger symbol to see more Chat options.
Various options - press the blue :
Do Not Show Adverts if you don't want to see the player advertisements
Show Personal and Server Chat - you'll see personal and server messages only
Pause incoming chat - to delay the incoming chat so you can read what is on screen now
Increase incoming chat Size - increase or decrease the incoming chat size
More about Chat --> press H E R E