Barcelona Vs Chelsea: Will Chelsea win over Barcelona tonight

Here is a simple logic of how Chelsea will win over Chelsea at Nou Coup
Look here, how home and away teams have been performing in Champs League in this season's round of 16.
PSG 1-2 R. Madrid
Spurs 1-2 Juventus
Man city 1-2 Basel
Man United 1-2 Sevilla
So, Chelsea will have to win 2-1 against home team Barcelona.