The penalty for an incorrect challenge is losing a turn isn't it? So it might be...

		OscarCunningham on Dec 15, 2018 \| parent \| context \| favorite \| on: An experiment in controlling how much of Scrabble ... The penalty for an incorrect challenge is losing a turn isn't it? So it might be worthwhile to challenge if you were only 40% sure if you thought you couldn't get 20 points on your turn.