Original sentence: At the 2005 Asian Judo Championships in Tashkent, he won a gold medal in the -73kg class.But in 2007, he moved up in weight to avoid the fierce competition, and won a gold medal in the -81kg category at the 2008 Asian Judo Championships in Jeju.Kim competed in the 2008 Olympic Games in Beijing, China, and won the silver medal in the -81 kg class.Kim edged out 2008 European champion João Neto of Portugal by points in the quaterfinals.Kim was considered one of the Big Three Judokas of the -73kg class in South Korea, along with Lee Won-Hee and Wang Ki-Chun.Kim won a gold medal in the -73kg class at the 2004 World Junior Judo Championships in Budapest, Hungary
Edited sentence: At the 2005 Asian Judo Championships in Tashkent, he won a gold medal in the -73 kg class.But in 2007, he moved up in weight to avoid the fierce competition, and won a gold medal in the -81 kg category at the 2008 Asian Judo Championships in Jeju.Kim competed in the 2008 Olympic Games in Beijing, China, and won the silver medal in the -81 kg class.Kim edged out 2008 European champion João Neto of Portugal by points in the quarterfinals.Kim was considered one of the Big Three Judokas of the -73 kg class in South Korea, along with Lee Won-Hee and Wang Ki-Chun.Kim won a gold medal in the -73 kg class at the 2004 World Junior Judo Championships in Budapest, Hungary