Already after the first half, Chelsea had acquired a proper lead.
After double goals from both Sam Kerr and Fran Kirby, the London team had a 4-0 lead at the break.
Both Jonna Andersson and Magdalena Eriksson played from the start but Andersson was replaced at the break.
The goal celebration continued in the second half.
Sam Kerr arranged a hat trick when she put 5-0 and just minutes later the Norwegian Guro Reiten increased to 6-0, which was also the end result.
Last season, Chelsea won both the league and the league cup.
Chelsea's Swedish goalkeeper Zecira Musovic got to see the match from the brook. Chelsea top the Super League two points ahead of Manchester City.