US skater Nathan Chen has taken figure skating gold at the Beijing Winter Games. The three-time world champion, skating to “Rocket Man,” received a standing ovation at the end of his Olympic performance on Thursday. The 22-year-old earned 218.63 for his routine, for a total score of 332.60. Chen dominated from the start of the competition, with a world record score of 113.97 in the short programme on Tuesday. Japanese skaters rounded out the podium, with Yuma Kagiyama, 18, claiming silver, with a skate to the music of “Gladiator” by Hans Zimmer. Kagiyama earned a 201.93 to finish with 310.05 p…