All in the mind: I don’t mind, so what the hell matters?

Darts is not a difficult game.  You stand, 9″ 7 1/4′, from a wall.  Mounted onto said wall is a round object.  Said object is divided into 20 equal segments, numbered one through to twenty with each having three sections.  Each section is a multiplier of said number by the ratio of X1, X2 and X3. …