1680X Chess Computer  (600-2428)     Features          Faxback Doc. # 6780

The Radio Shack Partner 1680X Chess Computer is a relentless and versatile
chess opponent.  Easy to set up and play, it can teach you proven
strategies and tactics used by grandmasters.

Its features include:

Special Sensory Playing Surface - Lets the computer sense a move when you
                                  press a piece against a square.

                    LCD Display - shows current move, piece position and
                                  verification, level, position set up,
                                  coaching, and study position
                                  information.

     Rank and File Board Lights - let you easily see where a piece came
                                  from and where it should go during a
                                  move.

         Sixty-Four Play Levels - give you 64 levels of difficulty
                                  including regular play, handicap, mate
                                  search, coach, and fun levels.

                      Take Back - lets you take back and replay moves.

               Rule Enforcement - prevents illegal moves.

                           Save - lets you turn off the computer without
                                  interrupting the game in progress so you
                                  can continue playing later.

                           Move - lets you force the computer's move, ask
                                  the computer to suggest your next move,
                                  change sides with the computer, or learn
                                  by watching the computer play against
                                  itself.

                 Problem Set Up - lets you set up special chess problems.

            Opening Book Memory - contains most major opening strategies
                                  to let the computer respond more rapidly
                                  during a game's opening moves.

          Position Verification - shows you the current position of the
                                  pieces in case you accidentally knock
                                  over the pieces.

                 Coach Function - evaluates your opening strategy and
                                  warns you when your pieces are
                                  threatened.

                     Evaluation - shows the computer's evaluation of the
                                  current game.

                   Display Move - allows you to see the search depth and
                                  move that the computer is currently
                                  considering.

             Non-Automatic Mode - allows you to play against another
                                  person with the computer as a referee,
                                  enter a series of moves, or replay a
                                  game to a certain position.

                    Eight Built - In Study Positions - let you improve
                                  your chess knowledge with the computers
                                  help.

              Two Power Options - let you power the computer from
                                  batteries or from household AC power
                                  with an optional AC adapter.

We recommend that you read these instructions thoroughly and carefully
before using the Radio Shack Partner 1680X Chess Computer.

(br/all-7/12/94)