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Game Courier Ratings. Calculates ratings for players from Game Courier logs. Experimental.[All Comments] [Add Comment or Rating]I've just done some more tweaking of values. After calculating the ratings, I used them to predict the scores, and I measured their success rate. I used this measure to help me tweak values. I got it up to about 75% accuracy, but it was at the expense of too rapidly raising the ratings of players who had played few games. I let it drop to about 72% to prevent the ratings of less experienced players from changing too quickly. In general, the final ratings have been slightly more accurate than the two separately calculated sets of ratings that were averaged to get them. The main change I made was to increase reliability. I left stability and gravity at what I tweaked them to earlier today.