Chelsea does not lose over last 13 matches.
Chelsea does not lose by more than 1 goal in 18 last matches.
Chelsea concedes under 2 goals in 7 matches straight.
West Ham does not lose by more than 1 goal in 16 last matches.
West Ham scores in 11 out of 12 last matches.
West Ham concedes under 2 goals in 12 out of 16 last matches.
In 5 out of 7 last matches involving West Ham, a draw was recorded in the second half.
In 5 out of last 6 home matches involving Chelsea, a draw was recorded.
In 7 last matches where Chelsea played at home, both teams scored.
Chelsea does not lose at home by more than 1 goal in 24 out of 26 last matches.