Kinguin and iBUYPOWER bring you iBUYPOWER CS:GO Invitational Tournament: Summer 2015 At Kinguin we try to support esports in any way we see possible, and that is one of the reasons why we have partnered with iBUYPOWER. Together we bring you iBUYPOWER CS:GO Invitational Tournament: Summer 2015!