 Complete the following phrase:  At the 2011 World Taekwondo Championships in Gyeongju, South Korea, Magomedov lost the semifinal match 57 to Thailands Chutchawal Khawlaor in the mens finweight division, but had to settle only for the bronze medal on the Russian taekwondo team. Despite missing out a bid for the 2012 Summer Olympics on his second attempt, Magomedov managed to defend his gold medal for the fourth straight time in the 54-kg division at the 