The red line separates the two halves of the tournament, where the second half was played more than a year after the first. As soon as I get a chance, I'll add that image -- plus the PGN and crosstable for the second half -- to my page 2020 Candidates Tournament; Yekaterinburg (Russia).
The cumulative score continues a pattern I've noted several times on this blog. The previous mention was Yekaterinburg Candidates - First Week (March 2020):-
The eventual winner was from the group of players who had a plus score after round 3. The winner was also one of the leaders after the first half of the tournament.
That makes five consecutive candidate tournaments showing the same pattern. What are the odds?