Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Choi Yeon-Ho (born May 4, 1981) is a South Korean taekwondo practitioner.
He is a four-time world finweight (-54 kg) champion, and won gold in flyweight (-58 kg) at the 2006 World Cup Taekwondo. However, he has not participated in any Olympics yet, since South Korea does not send an athlete in the -58 kg class.