This update mainly contains the upgrade of two of the main engines: Honey formerly McCain, which is the default tutor used by the program, now updated to version XI. The author is Michael Byrne ( link ) Stockfish, version 11 ( link ) There are some bugs fixed thanks to LinuxOnTheDesktop and others.... Downloads : Update, from Information menu, Search for updates Portable: LucasChessPortable1117.exe Installable: InsLucasChess1117.exe