Thank you very much :)
I have calculated everything mathematically in this post ^^ But because of your comment, as a small thank you for the SPT curation 🤝 and because it interested me myself, I wrote another article for which I have extra 68 games played and in which I compare my numbers with the actual numbers.
If you want to have a look, here is the link: https://peakd.com/ecr/@toheadi/ecr-minimum-real-values-about-ecr-and-how-much-you-should-play-everyday