Chelsea v Arsenal player ratings
THIBAUT COURTOIS: The Belgian was forced into a smart save from Gabriel and had a nervy moment with a misplaced clearance early on but was largely untested in the Chelsea goal, though he will be unhappy at conceding late on. 6 (out of 10)
CESAR AZPILICUETA: Largely untroubled afternoon for the Spaniard. 7.
DAVID LUIZ: Continues to impress following his shock summer return and played his part in another clean sheet for Antonio Conte's side. 7.
GARY CAHILL: The England man was cool, calm and collected in dealing with the likes of Alexis Sanchez and Theo Walcott. 7.
VICTOR MOSES: Solid if unspectacular display from the wing-back. 7.
NEMANJA MATIC: Such a commanding presence against Arsenal's almost makeshift midfield duo. 7.
N'GOLO KANTE: Arsenal boss Arsene Wenger is a long-term fan and it is easy to see why. Dominates almost every game he plays and showed a range of passing to match his tenacity in the tackle. 8
MARCOS ALONSO: Fourth league goal of the season put Blues ahead. 7.
PEDRO: Chased and harried the Arsenal defence at every opportunity having been recalled to the starting line-up. 8
EDEN HAZARD: Magnificent solo effort to double Chelsea's lead and continues to show last season was a mere blip as he looks as good as ever - if not better. 9.
DIEGO COSTA: Bullied the defence in the way he has always done and will be ultimately frustrated on a personal level that he did not hit a goal for himself. 7.
CESC FABREGAS (for Hazard, 84): The former Arsenal midfielder was presented with a great chance to tuck away the third goal and did just that. 6.
WILLIAN (for Pedro, 84): Little chance to stake a claim for a return to the starting line-up. 5
KURT ZOUMA (for Moses, 88): A time-wasting change from Conte. 5.
PETR CECH: The former Chelsea stopper was slow to react before Alonso opened the scoring and gifted former Gunner Fabregas the third with a sloppy clearance. 5.
HECTOR BELLERIN: Forced off after early collision with Alonso, which saw Chelsea take the lead and Bellerin crumpled in a heap. 5.
SHKODRAN MUSTAFI: Despite signing for big money and plenty of expectation, the German still struggles in some games and never got to grips with Chelsea's attacking talent. 5.
LAURENT KOSCIELNY: Could not captain Arsenal to a rare Stamford Bridge success and, like Mustafi, was seemingly fighting a losing battle against the Blues frontmen. 6.
NACHO MONREAL: Prevented from offering much as an attacking force, the Spaniard did toil and worked hard for the team. 6.
FRANCIS COQUELIN: Attempted to foul Hazard in the build-up to Chelsea's second but instead was left in a spin. Struggled with no natural midfield partner. 6.
ALEX OXLADE-CHAMBERLAIN: Operating in a deeper, central role the England international was one of Arsenal's best performers on a forgettable afternoon. 7.
THEO WALCOTT: Lost Alonso as he came in to put Chelsea ahead and had little opportunity to make an impact at the right end of the pitch. 6.
MESUT OZIL: Often superb but sometimes invisible, this was an average display from Arsenal's record signing. Dawdled in possession at one stage in the first half when he should have got a shot away. 5.
ALEX IWOBI: Did not operate as the out-and-out winger Gunners fans have become accustomed to and did not fully get to grips with his more central responsibilities. 5.
ALEXIS SANCHEZ: Another frustrating 90 minutes for the Chilean workhorse, who chased every ball and hassled every Chelsea defender in possession but did not test Courtois all afternoon. 6.
GABRIEL (for Bellerin, 17): Wasted a great chance to equalise and is not a natural full-back. 5.
OLIVIER GIROUD (for Coquelin, 65): Struck the consolation to keep his own recent good form going. 7.
DANNY WELBECK (for Walcott, 70): The game was all but over before the former Manchester United man was introduced but worked hard to get involved. 6.