How best to peel boiled chestnuts?
http://i.cubeupload.com/U4hV1d.jpg

The grandkids love boiled chestnuts, so I boil them for about 45 minutes,
but for the life of me, I can't "easily" get that darn peel & underlying
skin off.

Is there a better trick than what I'm doing now, which is to use a utility
knife to scratch an X on the flat underside of the hard peel, and then
attempt to peel the shell (and underlying skin) off while it's still soft
after boiling?

That X process seems to leave too much of that skin still on the nut?