Who can give me a simple explaination of how to calculate this. I think I know, but I'm not 100% sure, if you'll pardon the pun. :D

Dawn R.

Is this any good ? http://www.dogstuff.info/playing_coi_sharp.html

Daisy

Thanks for that Daisy, I think I'll have to read it with no distractions though, looks complicated. I've printed it off to save for later.

Dawn R.

Here's another good link with a freebie downolad if you fancy doing your own dog. I tried it once but got bored typing names in after the 5th generation. It's very interesting when you get further back to compare the coefficient every generation.

http://www.tenset.co.uk/fspeed/