Chess teaching computer

Claim 1

A chess playing device for inputting selected ones of a plurality of possible moves to a chess computer, said device comprising: a chess board assembly having a chess playing surface with sixty-four playing piece squares of substantially equal size; a control switching means disposed in each of the squares and being operative in response to a distinctive placing of a chess piece in the corresponding square; a chess computer means having a first input for receiving data corresponding to practice position data and a second input for receiving data corresponding to a player piece occupation of the squares; a program memory means having a plurality of stored chess practice positions at least corresponding to the number of squares, the program memory means having an output connected to the first input of the chess computer means and operative when selectively activated for loading a corresponding one of the stored practice positions into the chess computer; changeover switching means manually operable in the alternative to a first and second condition mounted to the chess board assembly; and circuit means governed by the changeover switching means for connecting each of the control switching means to the program memory means for activating the program memory means to load data corresponding to a respective chess practice position from the program memory means into the chess computer means in response to the operation of a corresponding control switching means at times when the changeover switching means is in the first condition and governed by the changeover switching means for connecting each of the control switching means to the second input of the chess computer means for receiving data corresponding to the player piece occupation of the squares, at times when the changeover switching means is in the second condition.