Chessmaster 9000 for Mac

From Feral Interactive:

Chessmaster 9000 introduces players to the rules and strategies of chess, while building skills through fun yet comprehensive tutorials. Beginners as well as seasoned chess players can enjoy the many features and stimulating competition that have made Chessmaster the world's most popular chess program. Featuring challenging gameplay wih unrivalled personal instruction and chess resource material to elevate your game, Chessmaster 9000 is the teacher, mentor and ultimate opponent that provides countless hours of interactive competition and fun.