Topic summary
Johan-Sebastian Christiansen
Johan-Sebastian Christiansen (born 10 June 1998) is a Norwegian chess grandmaster. He was awarded the titles International Master, in 2015, and Grandmaster, in 2018, by FIDE.
Topic summary
Johan-Sebastian Christiansen (born 10 June 1998) is a Norwegian chess grandmaster. He was awarded the titles International Master, in 2015, and Grandmaster, in 2018, by FIDE.