We will keep this data for one year, then for the legally applicable limitation period according to the legal obligations concerned.</p> 9. Further processing of data for statistical purposes <p>In order to maintain statistics relating to the games that took place on the lichess.org site and in particular to allow you to know your history of the games played as well as your ranking, we will keep your username and other non-personal information, such as party metadata.</p> <p>