Fun note about the photo: I know 5-6 of the people in the front right there.

Source
From the post:
This Saturday there will be a Rivet Wars Battle for the Eastern Front Tournament at Templecon.
Templecon 2013
Saturday, 8 Feb 2014 10:00 AM – 2:00 PM
Saturday, 8 Feb 2014 8:00 PM – 11:00 PM
If you going to the convention or are in the area stop by and enter because the tournament is free. Or just stop by and watch and check out the games. It’s a good time to Get in the Fight!