Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. There are two types: Riddler Express for those of you who want ...

Don't ever let someone tell you Yahtzee is an innocent, casual game. Yahtzee is simple, yes—mostly luck, with a dash of skill and math in how you score your rolls—but it is also brutal. Almost every ...