It could be that in the little advantages game, a super smart kid at 10 has a brain which is more performant than from someone at 33, even if it is Magnus Carls

It could be that in the little advantages game, a super smart kid at 10 has a brain which is more performant than from someone at 33, even if it is Magnus Carlsen. Because this is a "bullet" style and not a normal Chess game with more time to think and correct thinking errors.