"[The win] is important and deserved and difficult," BBC Sport quotes him as saying. "So when it's important, deserved and difficult at the same time, we have only reasons to be very pleased with that.
"I think in the first half the game was quite easy to kill but we didn't and in the second half we had a fantastic situation to kill it again and we didn't.
"When you have chance to do that, you can be in trouble and it happened when they scored. But I looked to my dugout and tried to change the game, and all of them gave an important contribution."
Chelsea's next Premier League game will be against Cardiff City in two weeks' time.