<story><title>Irwin – the protector of Lichess from all chess players villainous</title><url>https://github.com/clarkerubber/irwin</url></story><parent_chain><item><author>CSSer</author><text>I’ve seen a video of Magnus Carlsen playing on Lichess before. Does Irwin ever accidentally flag him or people like him? Do these sorts of folks have to be verified in some fashion?</text></item></parent_chain><comment><author>have_faith</author><text>What it looks like to cheat is more than just playing relatively accurate moves. Average move time, centipawn loss over multiple games, blunder&amp;#x2F;mistake frequency across multiple games, strengh of moves while in time trouble, etc. Cheaters tend to stand out when you look at a short history of games.</text></comment>
<story><title>Irwin – the protector of Lichess from all chess players villainous</title><url>https://github.com/clarkerubber/irwin</url></story><parent_chain><item><author>CSSer</author><text>I’ve seen a video of Magnus Carlsen playing on Lichess before. Does Irwin ever accidentally flag him or people like him? Do these sorts of folks have to be verified in some fashion?</text></item></parent_chain><comment><author>colechristensen</author><text>High level humans and chess engines play differently. You can see commentary on chess YouTube videos when they run across cheaters.&lt;p&gt;Also the chess engines people use are accessible, you can compare what a suspected cheater does with what the cheater does and if they’re exactly the same consistently, you have a pretty strong signal.&lt;p&gt;One of the bigger tells are strange moves that set up a many move series resulting in a victory, things that humans just can’t find quickly.</text></comment>