Eden Hazard's double guided Chelsea to a 2-1 victory over Manchester City on Wednesday, ensuring the runaway leaders swiftly recovered from a weekend setback and prevented Tottenham from opening up the Premier League title race.
A shock loss to Crystal Palace on Saturday halted Chelsea's serene path to the trophy, but normal service was resumed at Stamford Bridge to leave Pep Guardiola's City with a fight just to hold onto fourth place.
With Tottenham storming back to win 3-1 at Swansea in a game that finished slightly earlier, Chelsea had an anxious conclusion to retain its seven-point lead over the north London club.
It was a night to forget for the goalkeepers in west London.
Relive the action on Standard Sport's live blog!
Chelsea XI: Courtois; Zouma, David Luiz, Cahill; Azpilicueta, Kante, Fabregas, Alonso; Pedro, Costa, Hazard
Subs: Begovic, Ake, Terry, Matic, Loftus-Cheek, Willian, Batshuayi
Man City XI: Caballero, Clichy, Stones, Kompany, Fernandinho, Delph, Sane, Silva, De Bruyne, Navas, Aguero
Subs: Bravo, Zabaleta, Kolarov, Fernando, Toure, Sterling, Nolito
Referee: Mike Dean (Wirral)