How many points of chess ELO are increased/decreased when winning

Fun Fact: The Lichess ratings distributions shows clear spikes at every 100 rating points. This suggests players who are close to an even 100 level keep playing until they push just past

Why do I gain so little points for winning? - Chess Forums

Sports: Elo-Rating and Win Probability / Carlsen vs. Anand

Elo Chess Ratings

Rating (i.e., higher is better) for Swedish chess players analyzed by

Rapid increase in ELO - Chess Forums

On the probability of Magnus Carlsen reaching 2900 - Bendre - 2023 - Applied Stochastic Models in Business and Industry - Wiley Online Library

Came across this opponent who played 25000+ rapid games and is rated 1095. That's 6+ hours of chess every single day for the past 3 years (assuming 15 min/game). How is this

Elo Win Probability Calculator