Championship Chess for PalmOS 6.99
the author of this app says:
The King of All Chess Games! Discover a new set of friends with an exciting game of Championship Chess! Our realistic characters span across 5 levels of difficulty. Savvy Chess players will love challenging opponents, while Chess beginners get some extra help with our personal in-game DreamCoach(TM). We'll go beyond just showing you what to play, we'll explain why you should play it. Learn the more you play!