Reflected light and shade using Charcoal

Check and Log

I did not experience difficulty in separating cast shadow because of the blackness of the charcoal.  I would think that on a painting with very soft light and shadows that it would be very difficult and a great deal of care would be needed to show the subtle differences.  I think I have adequately shown the reflected shadows and light following the contours of the objects in this drawing.  I really enjoyed drawing with the charcoal.