Philipp Kahr's blog post offers an in-depth analysis of Lichess data, highlighting trends and patterns in online chess games. Since its inception in 2013, Lichess has hosted over 4 billion games, with a significant increase in activity beginning in early 2020. The analysis reveals that white pieces have a slight winning edge over black, and Blitz games are the most popular format, comprising nearly 2 billion of the total matches. Rapid games have gained popularity since their introduction in 2016, while Correspondence games remain the least favored. The study also explores various time control settings, noting that the most popular increment is 180 seconds with an additional 2 seconds per move. Kahr employs tools like field statistics and visualization techniques to dissect the data, offering insights into the dynamics of online chess.