result comparison tool?

[Stefan Groschupf]

Hi,

I remember there was a search result comparison tool within nutch.
Is that still alive? How to use it / find it? I was not able to find  
it by  browsing the trunk sources.
Is there any such a tool people can suggest to compare search results  
with yahoo or google result to play with configuration properties and  
scoring mechanisms?

Thanks for any hints.
Stefan