Mephisto Chess Challenger by Saitek (Endorsed by Garry Kasparov) – Vintage Electronic Chess Computer – Complete with Box & Accessories Up for auction is a classic Mephisto Chess Challenger electronic chess computer, manufactured by Saitek and endorsed by World Chess Champion Garry Kasparov. A fantastic collector’s item and ideal training partner for chess enthusiasts of all levels. Features & Specifications: Brand/Model: Mephisto / Saitek – Chess Challenger (Art. No: CT05) Features: Multiple skill levels, move take-back option, teaching/study modes, built-in LCD screen displaying timer and move indicators. Power Source: Operates via 4x C (AM-2) batteries or original AC Power Adaptor (included). Condition: Overall Condition: Excellent vintage condition. Fully tested and in working order (LCD screen and electronic board function perfectly, as seen in photos). Chess Pieces: Complete set of original metallic-finish silver and dark grey pieces stored in the dedicated under-board compartment. Packaging: Includes original outer box with inner styrofoam/cardboard tray and protective inner plastics. Box shows light shelf wear appropriate for its age. Accessories Included: Original Saitek AC Power Adaptor (Model AD-0930BM), original user manual/instruction guides, chess rules booklet, and felt pads.