Jorginho penalty enough for Chelsea at Everton
Jorginho's late first-half penalty saw Chelsea claim their first win at Goodison Park in five visits but there was no fresh start for Everton who ended the day with a defeat and a double injury blow.
Everton's Premier League campaign was barely 10 minutes old when Ben Godfrey was carried off on a stretcher and taken to hospital with a serious-looking lower leg problem and he was followed out of the Park End exit in the second half by injury-prone centre-back Yerry Mina.
Chelsea were not immune to the curse with debutant Kalidou Koulibaly also limping off in the final 15 minutes but he played his part in the 1-0 victory by ensuring the hosts were kept at arm's length for long periods.
Each team started without a recognised striker - new signing Raheem Sterling and Anthony Gordon, for the hosts, nominally performing the roles - and there remains business done in that area for both side.
Chelsea are still looking for someone to fill the vacancy left by Romelu Lukaku's return to Inter Milan but Everton's need is even more desperate as they need cover for Dominic Calvert-Lewin, who is sidelined for about six weeks after missing much of last season with injury, and to provide the threat once posed by the now-departed Richarlison
As a result goals were likely to be at a premium and the first one particularly important so once Jorginho slotted home from the spot the visitors put themselves in a strong position.
Everton did pose a challenge in the second half, but they just could not make the breakthrough - something they struggled with for large parts of the previous campaign.
The new season at Goodison had begun as the old one ended. Coaches arrived through a plume of blue smoke and the old ground was bouncing before kick-off with