Question: who is magnus carlsen coach?
Answer: Peter Heine Nielsen. Peter Heine Nielsen (born 24 May 1973) is a Danish chess player and trainer. He was awarded the title of Grandmaster by FIDE in 1994. He coached world champions Vishwanathan Anand and Magnus Carlsen winning World Championships in 2007, 2008, 2010, 2012, 2014, 2016 and 2018.