Earlier this week, Magnus Carlsen defeated Sergey Karjakin to retain the world chess championship in the most eagerly anticipated and widely covered match for years.
Always reluctant to be overshadowed, the forthcoming Premier League weekend starts with its equivalent: an intriguing meeting between Pep Guardiola's Manchester City and Antonio Conte's Chelsea. These two grandmasters will serve up a fascinating tactical battle.
Early in Guardiola's managerial career, the tactical battle ahead of major games was very simple. Guardiola's Barcelona had their Plan A: they would play in their usual defined classic style and the opposition manager would need to devise a system to beat them -- or, in reality, just to cope.