Can someone explain to me how the rankings are decided, when their updated and all that? I am only decent at the ladder, but am currently at 147, I am 11-4 in my last 15 games, yet I managed to fall from 146 to 147. So, can someone explain this? Thanks

Simply put, the higher level player you beat, the more rating you get from the game. The lower the rating of the player you lose to, the more rating you'll lose. You may have lost to a couple of very bad opponents, or maybe some of your wins were against people with low ratings.

For more detail read:
http://wiki.warlight.net/index.php/Ladders
and
http://wiki.warlight.net/index.php/Ladder_Ranks_and_Ratings

Edited 2/1/2014 08:28:39