National Havoc Robot League

National Havoc Robot League The National Havoc Robot League (NHRL), formerly known as the Norwalk Havoc Robot League, is a robot combat organization headquartered in Norwalk, Connecticut. Founded in 2018 by entrepreneur Austin McChord, NHRL hosts a series of open-registration tournaments each year in which hobbyist and professional builders compete in one-on-one cage matches across three weight classes.

Source: Wikipedia — National Havoc Robot League (CC BY-SA 4.0)