OK here it is:
Schutzhunde is translated as 'Protection Dog'. Origionally developed by Captain Max von Stephanitz these tests became todays sport of Schutzhund. It does indeed test dogs on obiedience, tracking and protection.
Further information can be found at:
http://www.schutzhund.plus.com/index.htmThe videos section is very good and the intervention dog video is great for a laugh (the bloke being dragged out of the van, screaming).
Mike I think you were the closest so over to you.
Kim.