FULL-TIME: Crystal Palace 0-1 Chelsea
Diego Costa's goal means that Chelsea have now won 11 games in a row and go nine points ahead of Liverpool.
Chelsea make a final change
Potential match-winner Diego Costa leaves the field and is replaced by Michy Batshuayi.
Alonso rattles the crossbar
The Chelsea wing-back hits a sweet free-kick which has Hennessey well beaten, but comes off the crossbar and Cahill can't head in the rebound.
Yellow card for Delaney
The Irishman goes into the book for a foul on Eden Hazard.
Palace make a second change
Cabaye comes off and Fraizer Campbell enters the field for the home side.
Chelsea make a second change
Former Palace player Victor Moses comes off and on comes Branislav Ivanovic.
Palace make a change
Andros Townsend comes on in place of Jason Puncheon.
Hennessey makes a good save
Kante has a go from inside the box, but Hennessey gets down well to his right before Kelly clears the rebound.
Benteke's effort saved by Courtois
The Belgian takes a ball nicely on his chest, turns and shoots, but hits his effort into the ground and Courtois easily saves.
Fabregas can't double the lead
Hazard finds the substitute on the edge of the area but he connects poorly with his left foot, meaning it's a comfortable save for Hennessey.
Alonso shoots wide
The ball falls to the Spanish wing-back inside the Palace penalty area but he hits his half-volley into the side netting.
Chelsea make a change
Willian leaves the field and Fabregas comes on to replace him.
Moses' shot blocked
The Chelsea wing-back receives a low cross from the right but his shot is blocked as he hits one on the turn.
Kante hits one from distance
The former Leicester midfielder strikes an effort well from outside the area and it's parried away by Hennessey.
Cabaye tests Courtois
The Palace midfielder hits a half-volley from distance but Courtois is down to his left to save the effort.
Second half underway
Crystal Palace kick off and the second half is underway.
HALF-TIME: Crystal Palace 0-1 Chelsea
The Blues go in ahead at the break thanks to Diego Costa's header in what has been an even game so far.
Costa opens the scoring
The Chelsea striker meets Azpilicueta's cross from the right and heads past Hennessey to give Chelsea the lead.
GOAL: Crystal Palace 0-1 Chelsea (Costa, 40 mins)
Puncheon fires just over
The Palace winger hits a free-kick from the edge of the box just over the bar which is the closest either team has come to opening the scoring.
McArthur heads wide
The Scot meets Kelly's cross from the right after rising above David Luiz, but he can't guide his effort on target.
Costa misses next match
Diego Costa picks up a booking for a silly trip on Ledley from behind and Chelsea will be without their main talisman for the next game.
Palace come closest to scoring
Kelly plays a low cross from the right and finds Puncheon in the box, but he strikes his effort poorly, going comfortably wide.
Luiz's free-kick deflected behind
The Brazilian hits a low free-kick at goal but it's deflected behind by Kelly and Palace defend the subsequent corner.
Yellow card for Ward
Hazard and Costa play a nice one-two before the Palace defender brings down Hazard on the edge of the box.
Costa can't reach Ward's poor backpass
The Crystal Palace full-back hits a weak backpass to Hennessey and the Eagles 'keeper clears the ball with Costa chasing him down.
10 mins - even contest
10 minutes into the game and there have been no real chances, with most of the football being played in midfield.
Match underway
The match is underway at Selhurst Park.
Hazard returns for Chelsea, Fabregas dropped after midweek heroics
Eden Hazard is back after missing the Sunderland match midweek and he comes in for Pedro who drops to the bench. Despite being the match-winner last week, Fabregas has to settle for a place on the bench as Matic comes in to the starting XI.
Official line-ups announced
Crystal Palace XI: Hennessey, Ward, Dann, Delaney, Kelly, McArthur, Cabaye, Ledley, Puncheon, Zaha, Benteke.
Subs: Speroni, Fryers, Mutch, Lee, Townsend, Husin, Campbell.
Chelsea XI: Courtois, Azpilicueta, David Luiz, Cahill, Moses, Kante, Matic, Alonso, Willian, Diego Costa, Hazard.
Subs: Begovic, Ivanovic, Zouma, Chalobah, Fabregas, Pedro, Batshuayi.
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