What is the difference between a Senior B and a Challenger?

[exNyer]

I saw that clarified that the Denis Ten Memorial was a senior b-not a challenger. ?

 

[Sylvia]

https://www.fsuniverse.net/forum/threads/2019-isu-challenger-series.105455/page-4#post-5618218

 

[nimi]

ICYMI: here's a handy thread for asking/answering miscellaneous questions about anything related to skating

https://www.fsuniverse.net/forum/threads/newbie-and-or-dumb-questions.104775/