http://www.information-security-training.com/news/how-strong-is-your-fu-registration-and-rules/

We are proud to announce that this year on the basis of Department of Computer Security, Saint-Petersburg University of Informational Technology, Mechanics and Optics our team is organizing CIT Capture the Flag. Approximate date of competitions is scheduled to be on May 15-16-th 2010. Participants will be given various challenges including services and tasks. Registration will be available from April 5, 2010.

http://ctf.ifmo.ru/en/