Goals from Florent Malouda and Didier Drogba secured the win.
Goals from Florent Malouda and Didier Drogba secured the win at Stamford Bridge and the Blues enjoyed comfortable spells of possession throughout the game.
The visitors displayed excellent organization which was a stark contrast to their display in the same fixture last season where Tony Pulis’ side were thumped 7-0 by the Premier League champions.
But Ancelotti was content with his team’s efforts on Saturday, despite Stoke’s rigid organisation which stifled the Blues on occasions.
"I am happy when we are able to do our best." Ancelotti told Chelsea’s official club website.
"Today was not our best performance; there was a lot of difficulty in the game. We didn't have a high tempo in the game and we conceded a lot of throw-ins so the tempo couldn't get high.
"But I am happy because we won, we didn't concede a goal, we maintained a clean sheet and we maintained the top of the table.
"The first half was the better performance. We had opportunities to score more than once. The second half was more difficult but this can happen.
"We worked very hard this week because it is the week before the international break and then the start of the Champions League.
“So the players had a very tough week and they were not so sharp."