There are a series of random tournaments and leagues in action this weekend. Challenger level teams are getting their own League of Legends tournament. The world’s top CS:GO teams descend on Canada for the Northern Arena championship as part of the Canadian Videogame Awards FanFest at the old Maple Leaf Gardens. And over in Korea, the eSports World Championships feature StarCraft and Hearthstone.

League of Legends

HTC Ascension: Quarterfinals – Friday, December 4 at 6:30 PM EST – twitch.tv/HTC
HTC Ascension: Semifinals – Saturday, December 5 at 6:30 PM EST – twitch.tv/HTC
HTC Ascension: Quarterfinals – Sunday, December 6 at 6:30 PM EST – twitch.tv/HTC

Counter-Strike: Global Offensive

Northern Arena: Group Stage – Saturday, December 5 at 10:00 AM EST – twitch.tv/northernarena
Northern Arena: Playoffs – Sunday, December 6 at 9:00 AM EST – twitch.tv/northernarena

StarCraft II

eSports World Championship: Final – Friday, December 4 at 11:00 PM EST – twitch.tv/iesf_tv

Nation Wars: Group Stage – Saturday, December 5 at 12:00 PM EST – twitch.tv/OGamingInter

ESL Meisterschaft Winter: Playoffs – Saturday, December 5 at 1:00 PM EST – twitch.tv/TakeTV

Hearthstone

eSports World Championship: Final – Friday, December 4 at 9:00 PM – twitch.tv/iesf_tv

Are you running an upcoming eSports tournament and want to add it to our calendar? Email us at etgeekera [at] gmail [dot] com.