[$60] Rating on default profile does not match the rating on the rating history graph

[VanitaW]

Describe the bug

Rating on default profile does not match the rating on the rating history graph

To Reproduce

Steps to reproduce the behavior:

1. Go to https://www.topcoder.com/challenges
2. Scroll down to 'Open for registration".
3. Click on any active coding challenge with registrants.
4. Click on the 'Registrants' tab.
5. Click on any username in the list with a rating
6. Scroll down to the 'Code' tab under 'Development Activity'.
7. Observe the rating.
8. Click on the 'Code' tab.
9. Scroll down to the rating graphs.
10. Click on the last point (circle) on the graph
11. Observer the rating

Expected behavior
The rating on the default profile page should match the current rating the rating history graph.

Actual behavior
The ratings on the default profile page is different than the current rating on the history graph.

Screenshots

Desktop (please complete the following information):

• OS: Windows 10, macOS 10.15.6
• Browser Chrome Version 84.0.4147.135
• Browser Safari Version 13.1.2 (15609.3.5.1.3)

Smartphone (please complete the following information):

• Device: iPad Air 2
• OS: iPad OS 13
• Browser Chrome 84.0.4147.122
• Browser Safari Version 13

[luizrrodrigues]

@rootelement API returning different rating in /MEMBER/stats and /MEMBERS/stats/history:

[tmalbonph]

Why are the latest ratings' history values have lower values?

[tmalbonph]

Last February 15 2020 at around 7:48:12 PHT time, I have 1941 ratings

[tmalbonph]

@luizrrodrigues @Oanh-and-only-Oanh Also check this on March 17, 2020 at around 12:17:32 PHT, I won an F2F and my rank color is still YELLOW

[tmalbonph]

@Oanh-and-only-Oanh @luizrrodrigues The V5 maximumRating: 1669, it should be maximumRating: 1941

[luizrrodrigues]

@urwithat Can you help in this one?
#4794 (comment)