adequately inform the public about the use of the Stockfish software in its products. The Fritz engine in other companies The American company Viva Media, now a division of Encore, Inc. has been licensed to sell many versions of the Fritz engine and GUI combination. British game publisher Eidos Interactive (now part of Square Enix Europe) published Fritz 6 and 7. In 1998, the German company Data Becker released the program 3D Schach Genie, containing the Shredder engine and Fritz interface. The German company Purple Hills sold Fritz 6 through 12 as Profi Schach 1 through 7. British Excalibur Publishing has published Fritz 9 through 14. American book publisher Simon & Schuster featured the Fritz engine in their Extreme Chess program, as have German game publisher TopWare Interactive in their Battle vs. Chess game. Fritz and Chesster Fritz and Chesster is a series of introductory chess programs based on the Fritz engine. Each program provides basic tutorials and games based on one aspect of chess, allowing children to learn the basic rules easily without overwhelming them with too many options at once. Games follow Prince Fritz, the son of King White, and his cousin Bianca, as Chesster the rat (among others) teaches them the fundamentals of chess so that they can defeat King Black. There are three programs available in the series: Learn To Play Chess With Fritz and Chesster covers all the rules of chess, from basic moves to castling and stalemate. Learn To Play Chess With Fritz and Chesster 2: Chess in the Black Castle covers chess strategy and tactics, chess openings, and endgames. Learn To Play Chess With Fritz and Chesster, part 3: Chess for Winners contains opening schemes, tactics, recognizing checkmates, endgame training, and key squares. Reception The editors of Computer Games Magazine nominated Fritz 6 for their 2000 "Classic Game of the Year" award. See also Anti-computer tactics Brains in Bahrain ChessBase Chess engine Computer chess IBM Deep Blue List of chess software Pocket Fritz References External links ChessBase homepage (developers of Fritz) Play through the Garry Kasparov vs. X3D Fritz 2003 games Rustam Kasimdzhanov vs Accoona Chess engines Chess software