What are some alternatives?
Chessmaster - Chessmaster is a chess playing computer game series which is now owned and developed by Ubisoft.
Fritz - Fritz is the world’s most popular chess program, developed by ChessBase, “the world's leading...
Chess.com - Play chess on Chess.
Scid vs. PC - Chess database and playing program.
Brutal Chess - Brutal Chess features full 3D graphics, an advanced particle engine, and several different levels...
Jin - Jin is an open source, cross platform, graphical client for chess servers, written in Java.