[ From: firstname.lastname@example.org] (Jeff Hedden)]
You start at the 20s and work your way around clockwise until you hit the five. A maximum of three darts is allowed for each number and once the number is hit, the turn advances to the next person, with the exception of the "fences."
The fences are located at T13, T17, T8, and T5. A maximum of 3 flights of darts is allowed for each fence. If the fence is not hit in 9 darts, then you are out of the race. There is an unlimited number of darts for the other numbers, and the only area that counts is from the bull to the triple ring.
The winner is the first person around the course and the game must be finished on a single or double bull.