Jorginho's accuracy helps Chelsea defeat Everton on the opening day.

Chelsea beat Everton 1-0 thanks to Jorginhos penalty . Thomas Tuchel warned that Chelsea were not prepared for the new season .

Chelsea put a turbulent pre-season behind them by winning 1-0 at Everton on Saturday thanks to Jorginhos penalty.After a grueling tour of the United States, which included a 4-0 thrashing at the hands of Arsenal, Blues boss Thomas Tuchel warned that Chelsea was not prepared for the new season.However, despite a patchy start, Chelsea's pre-season preparations were interrupted by an injury that knocked England striker Dominic Calvert-Lewin out for the first six weeks of the season, with Chelsea goalkeeper Edouard Mendy surviving.Everton took a big step forward this week when they lost to Everton in the eighth minute of added time with Jordan Pickford.