It looks like normal ratings fluctuations to me. The same kind of fluctuation happened last month.
extrem rating changing and volatile rating number whats the reason

It looks like normal ratings fluctuations to me. The same kind of fluctuation happened last month.
Cool thank you for the answer. what should i do to avioid this? playing less? only in top moods? not on weekends? why i am not stable around 850-900?

You only reached your peak of 894 for one game.
You only started playing several months ago so it is hard to say what your normal stable range would be.

whats the reason that the rating is not stable anymore? should i avoid playing at weekends?
Yes, there is a reason. That is how life works. You win some, you lose some. There is nothing unusual about it.
If you want to fix something, learn how to mate with 2 queens. (Or 2 rooks, it is basically the same). That will be very useful going forward.
Here is the game:

As a diamond member, you have access to Insights. One of the stats it show for you is that you missed a lot of mate in 1 opportunities.
You can go through all of those to see the mates you missed.
The normal reaction would be to suggest that you do more tactics training. However, you already do a lot of puzzles. Somehow, you still aren't spotting these opportunities.
Looking at your most recent puzzle results, a possible reason becomes clear.
Your answers are all extremely rapid. You don't appear to take your time to double-check your solutions. The amount of time you took is below the target and well below the average in every single case shown. I think you are just playing your first thought.
Improving in chess means learning to double-check your solutions. You can't take all day to calculate but clearly you are not using the time given to you to make some calculations.
You almost never lose a game on time so I don't think that taking your time to double check your moves is a big risk for you.
hey! my highest rating is 890 but probabbly my actual true rating is around 950. at some bad days especially the weekend i loose up to 200-300 rating points and it feels like i forgot to play chess. whats the reason that the rating is not stable anymore? should i avoid playing at weekends?