Maurizio Sarri's side bossed possession from the outset in West Yorkshire, where it took 20 minutes for Alex Pritchard to muster a shot on target - an attempt that was straight down the barrel and comfortably stopped.
Julen Lopetegui's side are in need of more top players who can help them retain the Champions League title and win more silverware, after the departure of Cristiano Ronaldo to Juventus.
Huddersfield, with Socceroos midfielder Mooy playing a full game, struggled to test Kepa in his first outing since joining from Athletic Bilbao for £72 million (A$125.85 million) as Chelsea dominated the second period, with Pedro adding the gloss after a brilliant counter-attack launched by substitute Eden Hazard. "When we arrived in Madrid to make the signing, I had his parents of Thibaut, his brother, his sister, his child, the mother of the child - everybody's there, and I see the family getting back together and I said to Thibaut, 'I'm so delighted not only to make a great deal for you here in Madrid, but also because I have a family coming together'".
Sarri utilised Jorginho in a deep role for large portions of Saturday's emphatic opening day victory over Huddersfield, which freed up N'Golo Kante to express himself further up the pitch.
"In the first half we started on the front foot, where we really wanted to be active", he said.More news: Is there a rift between Pogba & Mourinho?
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"I wish him good luck at Real Madrid, but now we have to concentrate on Kepa because he's our goalkeeper". "The first half was hard". We did it better in the second, but in the second, there was more space and time. "The best thing for him was to play 15-20 minutes when the opposition was exhausted".
"We had a very good first half, but we know that Chelsea, when you face a team like this, they are very clinical", Mounie said.
"We were in trouble for 15 minutes against a physical team, we are not a physical team". Unfortunately for Huddersfield and their manager David Wagner, Hazard was at his brilliant best. "The ref needs to explain that to us because I don't understand why (it was not retaken)".
Summer signing Jorginho converted in trademark style from the spot, feinting during his run up to send Huddersfield debutant Ben Hamer the wrong way and stroking the ball into the opposite corner.