TheAvocadoPenguin wrote:
So I was playing 30 minute chess and I faced this person. Their staring Elo was 809 and my Elo was 771. I beat them and their Elo for some reason dropped to 690. Does anyone know why?
The rating system uses a variable of rating uncertainty called the rating deviation (RD) value. A high RD value will see larger swings in rating after games. As more games are played, that value drops.
So I was playing 30 minute chess and I faced this person. Their staring Elo was 809 and my Elo was 771. I beat them and their Elo for some reason dropped to 690. Does anyone know why?