Changes

While Matthias claims "ChessGUI is not [[WinBoard]], nor [[Arena]], nor ..., but instead it is just an idea in a pre-beta stage of conception" <ref>[http://www.chess.hylogic.de/ BigLion Homepage]</ref>, its sophisticated [[Tournament Manager|tournament modes ]] along with its ''Sample Testsuite Tools'' <ref>[http://www.talkchess.com/forum/viewtopic.php?t=41608 an STS Tool retouched] by [[Matthias Gemuh]], [[CCC]], December 26, 2011</ref> make ChessGUI a popular framework for [[Engine Testing|engine testing]] and to produce [[Engine Rating Lists|rating lists]].

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>.