I didn't get the problem
Is this normal
if you're asking about the 'choppiness' of the graph, I'm pretty sure that likely smooths out as you increase the # of games analyzed.
actually, i take it back re: my idea about the # of games and the graph 'choppiness' -- I just noticed when looking at my games over the last 90 days I get a reasonably smooth graph, but when I increase the stats to 'all time' it looks a lot more like the screenshot posted here... perhaps the more games played leads to greater chance for outlier games (really bad accuracies on certain moves), and that makes the graph 'choppy'.
although I'm not sure if it was what you were referring to... it is kind of interesting
@plux, that's likely. The problem is that you're more likely to not have games at a particular move count, over shorter time periods, so the graph with be smoother.
As you add more games there will be some move counts where there are few games, or maybe just one, and a bad game is going to have an outsized impact on the average accuracy.
Is it a bug or not?