Gamerscore Tally Incorrect

This seems to be an issue I keep encountering, however the fixes that are usually suggested have yet to work, and it has now been 48 hours since I originally unlocked the achievement, but nothing has changed. On thursday (November 26th) I played game of
Thrones on Xbox One, and unlocked 5 achievements for a total of 130 Gamerscore. One of the achievements I unlocked (Your Grace - Completed Chapter 7 of Episode 3 - 30g) never came up with a notification, however when I opened up the achievement app I noticed
it was showing as unlocked. I then looked at my Gamerscore and noticed that it was 30gs short. My total as of today (Saturday 28th November) should be 304,469g, however it is 304,439g, so the 30g achievement hasn't added itself properly to my overall score.
I have waited the 48 hours that is often recommended, I also have deleted my profile and reinstalled it on my console, hard reset my console, tried unlocking an achievement in a different game, on both the Xbox One and the Xbox 360, and also tried to re-earn
the achievement, yet none of this has worked. Is there any other way I can make this unlock/update to the correct score? I play a ton of games for achievements and it is really annoying me that this hasn't sorted itself out yet, I track ALL my gaming stats
now due to this having happened before, via True Achievements, my own records, and an independent site, if you need the link on TA that shows what my correct Gamerscore should be I will post it below:

http://www.trueachievements.com/gamerstats.aspx?gamerid=431796



:)

 

Incorrect GamerScore Tally

That's because I've played more games since!!!!

 

Incorrect GamerScore Tally

I have a problem with my Gamerscore, and I am hoping that someone on here can help me, yesterday (March 19th 2015) my GamerScore was 204,055g, which was correct, I started playing LocoCycle on the Xbox One, and finished the game and got the full 1000 Gamerscore
from the game, however my total is now 205,015g, which means it is 40g short. When I look at all the achievements they've all unlocked correctly on my console and on
www.xbox.com, so I can't figure out where the discrepancy is, I have reset my console and deleted and re-downloaded my profile, but it has made no difference, so I am unsure on what I can do to fix this.