Carlo Ancelotti was surprised by Chelsea's defeat at home to Arsenal.

Ancelotti admits his former team is struggling for form at the moment.

"Chelsea is not passing a good time, but it happens to all teams to cross less good moments, and now it's happened to Chelsea," said the former AC Milan coach.

"Does Abramovich regret replacing me with (Andre) Villas Boas? You should ask Abramovich."