How do IP boosts work?

Comment below rating threshold, click here to show it.

KageKitsunez

This user has referred a friend to League of Legends, click for more information

Senior Member

04-19-2012

I have some 4 Win IP boosts from referrals and I would like to know how they work. If I play a Co-op vs AI game will I double the amount or receive a set amount of extra IP? Also, I won a game where I received 93 IP but my boost was of 140 IP, why? Thank you.