Ahmed Elmohamady gives Chelsea all three points after coming on as a substitute for Diego Costa . Abel Hernandez scores equaliser for Hull City after Thibaut Courtois ' error at the KC Stadium . Loic Remy netted the hosts first goal after Chelsea stormed into a two-goal lead on Sunday . Fine strikes from Eden Hazard and Diego Costa put the Premier League leaders in control .
Loic Remy gives Chelsea all three points after coming on as a substitute for Diego Costa . Abel Hernandez scores equaliser for Hull City after Thibaut Courtois ' error at the KC Stadium . Ahmed Elmohamady netted the hosts first goal after Chelsea stormed into a two-goal lead on Sunday . Fine strikes from Eden Hazard and Diego Costa put the Premier League leaders in control .