Help on skill ponts stars and training

hello, I'm new to T11 and i'm searching for a good tutorial/guide that explains how the skill points, stars and abilility training works. Honestly i'dont even know when does a player upgrades to another star and from where should I know when a player turns from ez 3 stars to 4 stars.

Here is a list of some good tutorials: http://forum.topeleven.com/tutorials...ls-guides.html

I have try to make a small excel to understand the relation between skill points and stars...
:cool: