The Codeforces rating system is introduced here and in the formula, there's nothing related to how many contests I've participated in (If there is any updated formula I'll appreciate to be noticed). I just wanna verify that my thesis is right and there's no relation between my rating change to contest except for the difficulty of the problems and ratings of participants. To put it another way, suppose my current rating is 1500 and if I end up in 100th position my rating will change for example by +50 points no matter if it's my 5th contest or 500th contest.
For the first 5 contests or so, your shown rating is artificially lower, than your real rating, so you will have higher rating gains. After that phase the amount of contests you already participated in does not influence your rating changes at all. Only your previous rating, your standing in a contest and the ratings of other participants.
What should I consider this? How should I interpret it? :pokerface:
Ah, guess the meme can be misunderstood. Its answering the question in your blog content, not the title. So "Yes, your thesis is right".
The serious answer in the second level spoiler should be clear though?
I think the answer is NO.
I believe you get a bit of a boost in your first six contests, so the same performance later wouldn't give you as many points. After those six contests though, it only depends on your performance.
https://mirror.codeforces.com/blog/entry/77890
Your displayed rating is not equal to your internally stored rating for your first 6 contests. You should expect a somewhat artificial increase in displayed rating for them.