First check the website and look for the tier list. If you see your Pokemon and you can click on it, if it has the exact same moveset you are trying submit don't bother. If it does not than read on.
To post a moveset find the official thread for that Pokemon, if it does not exist create a new thread with your set for the Pokemon.
Post in the following format:
- Code:
-
SET NAME @ ITEM
EVS:
NATURE:
~MOVE 1
~MOVE 2
~MOVE 3
~MOVE 4
SET DESCRIPTION (Provide a list of counters, what does this Pokemon Counter, and so on. Make it as professional as possible so it can make it to the site.