Calendar Categories CTF Contests Agenda Agenda Day Month Week July – September 2010 Jul – Sep 2010 Collapse All Expand All Jul 30 Fri Defcon CTF Tickets Jul 30 – Jul 31 all-day Sep 8 Wed Leet More CTF Tickets Sep 8 all-day http://ctf.ifmo.ru/registration/ http://ctf.ifmo.ru/en/ July – September 2010 Jul – Sep 2010 Subscribe Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML