This problem is known as "Restricted Choice" in the card game bridge. It occurs when deciding whether to play for the drop of a missing honor card or finesse.

This problem is known as "Restricted Choice" in the card game bridge. It occurs when deciding whether to play for the drop of a missing honor card or finesse. See http://en.wikipedia.org/wiki/Principle_of_restricted_choice http://en.wikipedia.org/wiki/Principle_of_restricted_choice for more.