The Blues twice took the lead at Stamford Bridge on Wednesday night, but could not see out their victory, leaving them without back-to-back victories this season.
Chelsea may still be unbeaten under manager Guus Hiddink but it cannot stop dropping points, as the Blues were held to a 2-2 stalemate by West Brom at Stamford Bridge on Wednesday.
The Blues took the lead through Cesar Azpilicueta but were swiftly pegged back by Craig Gardner's fabulous long-range strike, though Gareth McCauley's own goal appeared to have given the Blues all three points.