Reverse engineering the BoardGameGeek ranking – Part 2!
This is the second part of a series explaining and analysing the BoardGameGeek rankings. Read the first part here. Last time I left you with the nice result that BoardGameGeek (BGG) calculates its ranking by taking users' ratings for a particular game and then add around 1500-1600 dummy ratings of 5.5. This so-called geek score is used to sort the games from best (Gloomhaven) to worst (Tic-Tac-Toe). One detail however we touched on in passing, but did not resolve, is how that number of dummy ratings develop over time. [Read More]