Nope. I think this has been handled in a Nottingham FAQ before, but I can't remember.
I think it's the best way to handle it though.
Dark Angels 1750 win/loss Record
Win - 23 (Belial helped wreck Ryan's puny Eldar)
Loss - 13 (Brice's Necrons wiped me)
Draw - 2 (The 13th hold out in alpha take and hold)