Preilu Robotics Championship 2026 Preili, Latvia Championship disciplines: Linefollower – line-following robots. The robot's task is to complete the given track (a black line on a white surface) as quickly and accurately as possible. Mini Sumo – positioned as the smallest but not the weakest sumo robots. Lego Sumo – capable of surprising with their versatility. iRobot Sumo – […]