Imperfect information games always have an element of chance, or "luck" if you prefer, because there is no important difference between rolling a die and guessi

Imperfect information games always have an element of chance, or "luck" if you prefer, because there is no important difference between rolling a die and guessing. It's not rare at all to have two ways of playing a hand which, based on the information available, are equally likely to make your bid but one works and the other doesn't.