Chelsea [ Images ] consolidated top spot in Champions League [ Images ] Group B with a 2-0 win over Schalke 04 at Stamford Bridge [ Images ] on Wednesday.

Florent Malouda [ Images ] opened the scoring in the fourth minute when Schalke keeper Manuel Neuer allowed the French winger's tame left-foot drive to slip through his hands and legs into the net.

The home team made sure of victory two minutes into the second half when Ivory Coast striker Didier Drogba [ Images ] nodded in a right-wing cross.

Chelsea now have seven points from three games while Germans Schalke remain on three points.

Five-times European champions Liverpool however slumped to a 2-1 defeat against Besiktas and now face an uphill task to progress from Champions League Group A.