American Darts be scored for the remainder of the inning (with the exception of the center cork, which is always in play, regardless of the set "number"); the other nineteen numbers on the board are worth zero points for the remainder of the shooter's inning. So if a player throws his or her first dart at 20, in order to score the maximum possible points, but he or she misses and it lands in the 1 area, that player has established 1 as their number for their second and third darts. Thus, even if the last two darts were to land in
Darts possible with three darts is 180, commonly known as a "ton 80" (100 points is called a ton), obtained when all three darts land in the triple 20. In the televised game, the referee frequently announces a score of 180 in exuberant style. A "quad" ring appeared briefly between the triple ring and the bull in the 1990s, leading to a potential "240" maximum (three quad-20s), a "210" maximum checkout (Q20-Q20-Bull) and "seven" dart finishes from a 501 start (five quad-20s, triple-17, bullseye), but was swiftly dropped from professional tournament play after only two years. One make of this board