the author of this app says:
Looking for an intellectual game of chess? Have no fear my pen protector pals, ChessGenius is here.
ChessGenius is a chess game for the handheld. It has large board sizes, one or two player action, and the ability to save your game. A stand-out feature of this game is the tutor option that will help you learn from mistakes that are made.
The program now includes color for Palm(tm) IIIc handheld and gray scale support.