The Effect of Age on Chess Improvement

Two months ago I wrote a post titled Descriptive Data which described the chess goals survey statistics. One of the points mentioned in that post was that younger players tend to improve more quickly. It seems discouraging for adults who are looking to quickly make gains. I created a boxplot of the annual rating gains in each age category among chessgoals.com survey takers. Here's my two sentence summary on what a boxplot is: The middle horizontal line in each box is the median of the groupThe top and bottom of…

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