Arsenal 3 Chelsea 0
A second successive defeat prompted Chelsea boss Antonio Conte to change tactics, switching to a back three for the remainder of the campaign.
Swansea 5 Crystal Palace 4
A reminder that, for all the talk of back threes, the Premier League is not the most tactically sophisticated. Both managers, Bob Bradley and Alan Pardew, were sacked within weeks.
Tottenham 2 Chelsea 0
Spurs ended their opponents’ run of 13 straight league victories with a performance that confirmed their status as Chelsea’s most likely challengers.
Manchester City 2 Tottenham 2
City went 2-0 up and seemed in total control but a second-half defensive collapse extended Spurs’ unbeaten run and highlighted the problems facing Pep Guardiola.
Chelsea 3 Arsenal 1
Eden Hazard scored a brilliant solo goal as Chelsea strengthened their title credentials with a comprehensive victory over their London rivals.
Comeback...Spurs (in white) at City
Comprehensive...Chelsea (in blue)
Nine-goal thriller...Swansea City