<P> Distance - The oche (line behind which the thrower must stand) should be 7 ft 91⁄4 inches (2.37 m) from the face of the board . If the face projects outward from the wall, due to the thickness of the board and / or a cabinet in which it is mounted, the oche must be moved back appropriately to maintain the required distance . </P> <P> The regulations came about due to the United Kingdom and the rest of the world playing at different lengths, with 7 ft 91⁄4 inches (2.37 m) being the compromised length . </P> <P> The standard dartboard is divided into 20 numbered sections, scoring from 1 to 20 points, by wires running from the small central circle to the outer circular wire . Circular wires within the outer wire subdivide each section into single, double and triple areas . The dartboard featured on the "Indoor League" television show of the 1970s did not feature a triple section, and according to host Fred Trueman during the first episode, this is the traditional Yorkshire board . </P> <P> Various games can be played (and still are played informally) using the standard dartboard . However, in the official game, any dart landing inside the outer wire scores as follows: </P>

How many scoring zones are on a standard dartboard