Time for battles! Battles are the traditional entertainment at RuCTF conference, when two people come to the stage, connect their laptops to the projector so that everyone except their opponent is able to see what's happening on the screen, and after that both get the same task and solve it for speed. This year there will be no limit on number of people so that everyone in the hall can take part out-of-competition, and so do you! Tasks will be availabe at battles.ructf.org/ Come and join us :)