Watch the critical moment of the World Champion's first loss in classical chess in nearly one year. The dragon slayer, GM Fabiano Caruana, was also the last to beat him. GMs Yermolinsky and Shabalov (making his Chess.com/tv debut!) try to understand why Magnus Carlsen could just allow a basic tactic. At first, Shabalov thinks the position must be wrong! Watch and see the Berlin Wall finally fall and the explanations offered for it.