The Relationship Between Elo Rating and Actual Score

The relationship between elo rating predicted score an actual score has been dropping. It doesn't seem like there's a free big problem there No, also in a way it's Logical if we have a chess boom and many more young players come in. So of course it's natural that The the old loose arm rating to the youth. You could argue they had two years of training which wasn't really reflected by the rating because they didn't get the chance to play so much.