Descriptive Data

Chessgoals.com contains cleaned data from November 2018 - present on 384 chess players. This post will summarized the most important variables. The majority of the players were ages 10-50, but we still had quite a few players over age 50. Frequencies of age group The dependent variable for most of our analyses was annual rating gain. The median in our data set was 110 points, with the 25th percentile at 25 points and the 75th percentile 218 points. The median weekly hours spent was 7 hours, with 25/75th percentiles at…

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Rating Comparison Updated

The ChessGoals rating comparison page has been updated with over 350 survey respondents. Here is the methodology for creating the comparison table for Chess.com Bullet: Use chess.com blitz ratings as the independent variable since most players have a chess.com blitz ratingOnly keep players who have chess.com blitz and chess.com bullet ratingsPlot the chess.com blitz ratings (x) vs chess.com bullet ratings (y) and remove outliersCreate a formula that's either linear or 2nd order polynomial, based on which matches the data bestOn the comparison table calculate the predicted chess.com bullet rating for…

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