As always I didn't have a lot of time to play as I would have liked but oh well.  I punched out almost 10 levels, about all I could stand as some games towards the end started getting really bad (as always).

Just want to get my Portable radar back haha, no flipping anymore though, Ill just stay at 1p lvl80.

Would have liked more time, but  I think i gained about 40 levels running specialist .

40 to 40, an entire 'stige.  Two hours of quad XP on kill confirmed, all the other time on dom.  Ran specialist the whole time.

Just reviewed my elite stats... I thought it was great that I completed a full prestige until I looked at the score per round of every match over the weekend.

Why did I look at every score? It was because I noticed a negative score. In fact when all was said and done I had 8 matches yielding negative scores. Those 8 matches totalled to a negative 200,273 XP!!!!

I called Activision and they are going to restore the 400,546 XP which this error caused.

http://community.callofduty.com/message/205461762#205461762

I would look at your own stats and check for negative rounds. This is caused by a poor connection to host. Check any round when host migrates....