There was a sense Chelsea had to take one of those first - half chances .
Another followed when Willian -- excellent against opponents he knows well following his spell at Shakhtar Donetsk -- hit the bar with a curling free kick .
There was a sense Chelsea had to take one of those first - half chances , but another followed when Willian -- excellent against opponents he knows well following his spell at Shakhtar Donetsk -- hit the bar with a curling free kick .