No specific info about version 4.5. Please visit the main page of Scid on Mac Informer.
Allows not only playing but also maintaining a database and analyzing games.
Sigma Chess is a freeware, master strength Macintosh chess program for Mac OS X.
It allows you to create your own game pieces for a themed game of chess.
It tracks the time spent working for clients, customers, and employers.
This app allows you to print, save, export, and drill down on multiple reports.