Robot must be able to move in 30 inch wide corridors. Autonomous robots only. No remote control or cable. Penalty points for each time robot is helped by its master. Penalty points worth half if robot knows it is stuck and calls its master.
Distance is judged by how far the last physical extension of the robot gets.
Time limit of 3 minutes per run. Best of 3 runs. Computer and electronics are optional. No rockets, catapults, or balloons. Robots must have a safety ring to ensure that it doesn't disengage from the rope.