Mephisto was a line of chess computers sold by Hegener & Glaser (H + G). In addition to integrated travel and sensory computers, they also sold a line of modular electronic autosensory boards that could accept different program-, processor- and display modules. Hegener & Glaser and the Mephisto brand were bought by Saitek in 1994. Mephisto chess trainer. Computer name: Mephisto Kasparov Alchemist. Manufacturer: Saitek. Dimensions: 31.4 x 25.2 x 3.4 cm. Mephisto Modular (plastic autosensory board). Power supply: 3 AA batteries and works. Saitek Chess Trainer. Maybe you don't prefer a screen but you like to feel real chess pieces. This chess computer takes the form of a real chessboard with real chess pieces. Nevertheless, the Saitek Chess Trainer is a full-fledged chess computer with all possibilities such as 64 different difficulty levels and 11 learning modes. This chess computer also has a chess clock. With a manual (ENG-D-FR).