Antonio Conte told his Chelsea players to 'dig deeper' to find consistency and stability to overcome their problems after a chastening 3-0 loss at Roma on Tuesday night.
Stephan El Shaarawy scored after 38 seconds and pounced on an Antonio Rudiger error to make it 2-0 after 36 minutes.
Diego Perotti struck a fine third after 63 minutes as Roma climbed above the Blues to take top spot in Champions League Group C.
A win in Conte's first match in Italy as Blues boss would have seen Chelsea advance to the knockout stages, but instead the Blues head coach was left ponder how to respond in Sunday's Premier League clash with Jose Mourinho's Manchester United.