This week we are joined by Chris Callahan, who is the Community Organizer of LiChess.org. Lichess is a community supported, free, open-source, ad- and tracker-free chess site which plays host to over 5 million chess games per day. Back in 2017, I interviewed its founder, Thibault Duplessis, so it was past time to catch up on all that is new with this great site. It has been especially important during the past year as online chess has surged in popularity. We discussed everything from how they dealt with a huge traffic surge, to their capabilities in the area of cheating detection. We talked about the viability of their current business plan as well as  their future plans. Chris also delved a bit into his own chess background, and shared his unique perspective on scholastic chess teaching and chess improvement. It was fun to catch up with him and to learn more about this website on which so many of us enjoy playing on a daily basis. Mentioned: IM Christof Sielecki, LiChess Studies , Episode 25- Thibault Duplessis  Mentioned: The Lichess Costs document we reference is here:http://lichess.org/costs New Chess Courses Online - For All Levels in all - Chessable.com  https://www.chess.com/news/view/chessbase-fat-fritz-2-stockfish-leela-chess-zero Mentioned: Episode 18 with IM Danny Rensch, Episode 136 with IM Ken Regan, GM Wesley So, GM Raunak Sadhwhani  Mentioned: LiChess Study- Logical Chess Move by Move:https://lichess.org/study/Wn7aMkPy Mentioned: IM Eric Rosen and The Stafford Gambit, Chess for Zebras  Join the LiChess Discord here:https://lichess.org/team/chesscord-discord-community You can follow Chris on LiChess here: https://lichess.org/@/NoJoke If you would like to help support Perpetual Chess, you can do so here:The Perpetual Chess Podcast  See omnystudio.com/listener for privacy information. Learn more about your ad choices. Visit podcastchoices.com/adchoices