Early registrations (by specifying your Name, ELO, Date of Birth, Country and accommodation necessary) for the tournaments A-E should be sent before the 15th of July either by e-mail: chess@rtu.lv or by filling the application form available at http://rtuopen.lv/. The onsite registration according to the schedule of the corresponding tournament is mandatory also for online pre-registered participants, including participants that have free entry. The organizers reserve the rights to exclude players that have missed the onsite registration deadline from the tournament.