
It should have been simple for Magnus Carlsen, or at least as simple as a top-tier chess game can be. When the world chess champion sat down across from 19-year-old American Hans Niemann at the Sinquefield Cup earlier this month, he had the benefit of playing with the white pieces, he was on a 53-game unbeaten streak, and was facing someone who entered the tournament as the lowest-rated player.
Few were expecting an upset, but that’s just what happened.