marc albrighton opens the scoring for leicester with neat finish in the area after a slip by cesar azpilicueta .
didier drogba equalises for chelsea just three minutes into the second half after an assist from branislav ivanovic .
john terry puts chelsea ahead with a close-range finish with just 11 minutes left to play .
ramires seals the win for chelsea with a stunning drilled effort from just outside the box .
chelsea can win the premier league title with victory against crystal palace at stamford bridge on sunday .