This document is the user manual for Master Chess, which explains how to install batteries, quick start the game, set up pieces, enter moves, and use the computer to move pieces.
This manual explains how to install the six AA (Type AM3/R6) batteries, optional AC adapter, and power‑up the Master Chess 86421. It describes the board’s sensory squares, LCD display, and all keys, including GO, STOP, LEVEL, and TAKE BACK, with quick‑start steps for playing a game immediately.
Further sections cover advanced functions such as level selection, power‑saving modes, two‑player mode, game memory (up to about 200 moves), special features like chess clock, hint mode, and how to handle illegal moves, castling, pawn promotion, and opening book management.