The world's best players will fight off in three ladders - Kalimdor, Northrend and Azeroth, each one of them with different rankings interface and map pool. The open ladder will be resetted on March 2.
On March 27 the game company will reveal the 100 best players which will go to the invitational ladder. It continue for 18 days, from April 6 to 24.
Afterwards, the top 6 from this phase will face the two finalists from the regional finals.
Links
Battle.net - Source
Battle.net - FAQ
