This paper aims to measure skill and chance in different versions of online poker, using the best-fit Elo algorithm …"), as well as different levels of stakes. Given the richness of online poker data, it is possible to isolate the impact of …

courts. We apply the method to large datasets of various two-player games (e.g. chess, poker, backgammon, tetris). Our … findings indicate that most popular online games, including poker, are below the threshold of 50% skill and thus depend pre …-dominantly on chance. In fact, poker contains about as much skill as chess when 3 out of 4 chess games are replaced by a coin flip. …