Charlie Richtenburg competed in the first Bay Area Invitational Karate Tournament on Feb. 23. The 5-year-old brought home two gold medals in Kata (forms) and Kumite (sparring). Richtenburg is an orange belt but beat green belts for the gold. Jared Avenell (gold in Kata, Kumite, and silver in Kobudo), Chase Yang (gold in Kata), and Leo Ding (bronze in Kumite) also participated in the competition