Chelsea players celebrate a goal against West Brom during a Premier League match at The Hawthorns on Saturday. Pic/AFP

Antonio Conte hopes Chelsea can replicate last season's 13-game winning streak in the Premier League, but acknowledges even that may be not enough to overhaul Manchester City. Despite dispatching West Brom 4-0 to take their sequence of victories to four, Conte's reigning champions still trail unbeaten leaders City by nine points.