TeamDeathmatch World Tournament happening in February. Either on February 13th. or February 20th. This is the tournament's Steam group: http://steamcommunity.com/groups/BSTDMWT
Make sure you join the group if you're interested and join or create a team. You can look for a team or recruit members in this thread: http://steamcommunity.com/groups/BSTDMWT/discussions/0/458604254452252042/
If you are a team captain you will able to sign up your team in this thread, starting from the 13th of January: http://steamcommunity.com/groups/BSTDMWT/discussions/0/458604254452315604/
In case you'd like to help out with organizing you can leave a post in here: http://steamcommunity.com/groups/BSTDMWT/discussions/0/496880503082303542/
There will be capes, apparently :) good luck and have fun!