The Global Poker Index, or GPI, is a leaderboard system that ranks the top live tournament poker players in the world according to their performance. CEO Alexander Dreyfus has stated that his goal with GPI is to define who the star players are in order to increase exposure, creative compelling narratives, and grow the industry as a whole. To this end, his efforts have already paid dividends. The rankings have not only been readily accepted in the culture and the poker media, but also in major mainstream outlets such as USA Today. However, the system as it stands today has flaws that threaten to undermine its credibility as comprehensive measure of tournament poker skill.
Recently, GPI has started to draw some criticism from players who say that the way it scores performance doesn't make sense. As a tournament player myself, I've shared this attitude, and I've done a bit of analysis on the issue.
