From Xfire: “OGA Dota PIT Season 4: Europe/CIS is an upcoming tournament scheduled to take place right after EPIC League Division 1. The event features the biggest names in CIS and many of the top teams in Europe. There will be 8 participants in total and the prize theyll be fighting for is $150,000.”
Source: N4G PC OGA Dota PIT Season 4: Europe/CIS Preview