Changes

Cute Chess features a [https://en.wikipedia.org/wiki/Tab_%28GUI%29 tabbed document interface] (TDI) embedded inside its [https://en.wikipedia.org/wiki/Window_(computing) frame window] with classical [https://en.wikipedia.org/wiki/Menu_bar menu bar]. Tabbed [[GUI#GameWindow|game document windows]] associated with one [[Chess Game|chess game]] contain [[GUI#BoardWindow|board window]], [[GUI#NotationWindow|notation window]], evaluation windows with [[Principal variationVariation|principal variations]] of both sides, and score history chart window.