
Originally Posted by
Syntex
You will be placed against random people at first so it could be Idra himself on his new account or a 6 year old kid you don't know. If you lose then you play other people who have lost(and again doesn't mean they are better/worse either) until all matches are done. After those 5 matches it places you in a league based on your performance of how well those people were. Some people get places into diamond going 4-1 and some in gold going 5-0.
The best way to find out if your where you should be is maintaining around 1:1 win/loss ratio and when you start losing or winning more then that it will demote or bump you up.
If you don't want to get stuck in the lower leagues for a while then play the computer to practice, I did before I played leagues and it helped out a lot, that or 2v2 coop to get the hang of it.