"The last four games we have played great, we have won them and not conceded," goalkeeper Cech told MF Dnes. "We went through a dark spell in September but now we are back. Chelsea are a big power."

He added: "Once you are winning, all the problems are forgotten. We are okay.

"It is important that we climb the table. We are already within sight of Manchester United and Arsenal and we are prepared to cut the margin completely.

"The objective is clear - we must be winning and winning as we have already lost a lot of points."