501 Darts question

[grandkodiak]

There is NOTHING on tv, so I resorted to watching some international darts competition. I am confused however....

Normally at the bar we play 501, and we count the sections and reduce the score, double to end to 0. But what I am not getting, is that the numbers they are hitting, arent always adding up! Like if you hit 3 20's, you should get 60 points off, no? sometimes they are getting some really high numbers like 100 off from 3 darts, how are they adding up??

[Spaz]

1x first dart 2x 2nd 3x third... they can also do double in double out or masters witch you have to hit eith a double or tripple to start the count down...

[Danger731]

I don't think that is done in comp. They must be hittin triples.