Chelsea halted Manchester City unbeaten run in the English Premier League this season with a 2-0 triumph over the citizens.
The Blues bounced back from the disappointment of losing at Wolves in midweek to end City's 21-game unbeaten league run stretching back to April.
The defending champions dominated the first half, only to be struck by a smash-and-grab right on half-time as N'Golo Kante fired high past Ederson from Eden Hazard's pass.
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David Luiz's glancing header following a corner bounced in off the far post to double the lead of Maurizio Sarri's side.
Both teams play in Europe in midweek, City host Hoffenheim in the Champions League on Wednesday and Chelsea have a Europa League trip to Vidi on Thursday.