Jan Henric Buettner, chess’s newest disruptor, has said he doesn’t need Magnus Carlsen’s permission to invite anyone after Hans Niemann revealed that he will be participating in the Freestyle Chess Grand Slam Tour’s Paris edition, from April 8 to 15. Hans Niemann and Magnus Carlsen were involved in a bitter lawsuit after Magnus Carlsen had pulled out of the 2022 Sinquefield Cup after losing to Hans Niemann. There were allegations that Niemann was cheating, which were never proved. While the lawsuit was later settled, Hans Niemann has frequently trained his guns on Magnus Carlsen and Hikaru Nakamura. “Magnus doesn’t know it yet, but I will tell him after his game,” Freestyle Chess head Buettner told TV 2. Story continues below this ad “I chose not to ask for his permission now. Magnus doesn’t have a say on who to invite.” Niemann on Thursday has announced his participation. I am deeply grateful for the opportunity to compete in the Freestyle Paris edition. Winning the Grenke Open last year was an incredible experience, and I am eager …