If you guess a letter contained in 99% of remaining possible words, then either - you are correct (happens 99% of the time). No penalty, and you find out at wh

If you guess a letter contained in 99% of remaining possible words, then either - you are correct (happens 99% of the time). No penalty, and you find out at which positions your guessed letter occurs, a decent information gain. - you are incorrect. You suffer a penalty but eliminate 99% of the remaining words, a massive information gain. How would 50% be preferable in either case?