Changes

On 29 Mar 2016, the author of ChessGUI announced he retired from chess programming, therefore there would not be any update nor support for both ChessGUI and chess engine Big Lion. However, so far his His home page is still accessible and those programs are still downloadablebecome inaccessible after his dead<ref>[http://www.talkchess.com/forum/viewtopic.php?t=81145 ChessGUI] by [[Graham Banks]], [[CCC]], December 14, 2022</ref>.