Do tactics serve positional chess or the other way around? Probably both, as GM Alex Yermolinsky argues in the first part of his new series on modern chess. Instead of analyzing more Magnus Carlsen games, he looks at Carlsen's main rivals in the near future and in this video it's all about Sergey Karjakin! A quiet, 'positional' positing turns out to have lots of hidden tactics, and the question is: would Magnus have gone for them?