 Complete the following phrase:  Nakamura won several more tournaments after his first trip to the Olympics, most notably a gold medal at the 1997 World Judo Championships and three consecutive victories in the -73 kg division of the All-Japan Championships from 1998-2000. However, he failed to get past the third round at the 1999 World Judo Championships, and lost in the fourth round of the 2000 Summer Olympics and in the third round of the repechage. He won the Kodokan Cup in the -81 kg division the same year, but lost in the semi-finals and bronze medal match of the 