Nordic combined gold favourite Jarl Magnus Riiber will miss the first individual event at the Beijing Olympics as he will remain in quarantine after a positive Covid-19 test, skiing ruling body FIS said on Monday. The normal hill competition is to take place on Wednesday. Riiber tested positive upon his arrival in China and now hopes to compete in the two large hill events on February 15 and 17. Riiber won the last two world titles in the normal hill event and was a silver medallist in Pyeongchang 2018, Team-mate Joergen Graabak said Riiber is doing well so far, but with mood swings. “I think …