Master Chess Computer
(600-2217)                 Advanced Functions         Faxback Doc. # 62200

Verifying Piece Positions

You can verify or find the location of any and all pieces on the game 
board by using the piece keys any time.  Each time you press a piece key, 
the computer displays the piece's color and location, and the rank and 
file indicators show the piece's location.

The piece keys help locate their corresponding piece as shown.

  * (king symbol) - locates [white] king and [black] king.
  * (queen symbol) - locates [white] queen and [black] queen.
  * (castle symbol) - locates [white] castle and [black] castle.
  * (bishop symbol) - locates [white] bishop and [black] bishop.
  * (knight symbol) - locates [white] knight and [black] knight.
  * (pawn symbol) - locates [white] pawn and [black] pawn.

For example, if the white queen is on square D1 and you want to verify its 
correct location, press the queen piece key once.  The computer displays 
[white](queen symbol)d1. Or, if the black queen is on square F6 and you 
want to verify its correct location, press the queen piece key twice.  The
computer displays [black](queen symbol)F6.

To locate all pieces of the same type, repeatedly press the piece key for 
the type.  If there is more than one of the same color piece of that type 
on the board, the display and the rank and file indicators show the 
location of each like piece each time you press the piece key.  If you 
continue to press the piece key, the display and the rank and file 
indicators show you the location of each of the other color's pieces of 
the same type.

Note: If you press a piece key more times than the total number of pieces
      of that type on the game board, the display shows only the piece's
      symbol.

Press CLEAR to return to normal play.

Taking Back Moves

The take back function lets you take back any move made by you or the 
computer after the move has been completed.  The computer even reminds you 
to return a previously captured piece to the board or a castled rook to 
its original square.

Notes: If you are not sure about the position of a previously captured
       piece or castled rook, see "Verifying Piece Positions," above.

       If you change your mind about a move before pressing a piece down
       on its TO square, follow the steps listed in "Correcting Accidental
       Wrong Moves" in Faxback Doc. # 62198.

       To take back your own move, you must first let the computer make a 
       counter-move, then take back the computer's counter-move first.

Follow these steps to take back a move.

1.  Press TAKE BACK. The rank and file indicators show the TO square of
    the last move, and the display shows [black] or [white], the piece's
    symbol, and the FROM and TO square coordinates for the last move.

2.  Press the piece on the indicated TO square.  The rank and file
    indicators change to show the FROM square of the last move.

3.  Move the piece to the indicated FROM square and press it on the 
    square.

4.  Repeat Steps 1-3 to take back additional moves.  You can take back up
    to 30 ply of moves (a ply is one of your moves or one of the
    computer's moves).

Problem Setup

You can use problem setup to help you learn from the computer how to work 
out particular game problems or puzzles outside of playing an actual game.
Or you can use it to erase, re-enter, or relocate pieces any time before 
or during a game.

Note: If you have already started a game, you must press POSITION during 
      your turn to enter the setup mode.  If you have not yet started a
      game, you can press POSITION any time.

Full Board Setup

In a full board problem setup, the computer records the positions you 
enter into memory and assumes all other pieces remain in their starting 
positions.  You only need to go through these steps for pieces that you 
want to change from their starting positions.

Follow these steps to set up a game with most of the chess pieces in their 
starting positions.

1.  Set up all of the pieces on the board.

2.  Press NEW GAME.

3.  Press POSITION.  The computer displays -POS-.

4.  Press the piece key for the piece you want to move or remove and
    </WHITE or BLACK/> to change the color if necessary.  The computer
    displays [black] or [white] and the piece for the selected piece.

5.  Press the piece you want to move, or remove, down on its FROM square.  
    The computer displays [black] or [white] and the piece's symbol, (-),
    and the square the piece is on. The rank and file indicators also show
    the piece's FROM square.

6.  If you are moving the piece, move it to the desired square, then press
    it on the square.  The computer displays [black] or [white] and the
    piece's symbol, (+), and the selected TO square.  The rank and file
    indicators also show the piece's TO square.

    If you are removing the piece, just remove the piece from the board.
    The display does not change.

7.  Repeat Steps 5 and 6 for any other pieces you want to move or remove.

8.  When you finish setting up the pieces, press BLACK/> until the
    computer displays [black] or [white] for the desired starting color,
    then press CLEAR.  Or, simply press CLEAR, then choose the level you
    want and begin the game.

Note: If the computer sounds an error tone, one or more pieces were moved, 
      removed, or entered illegally. To correct the setup, see "Correcting 
      Illegal Setups" below.

Partial Board Setup

In a partial board problem setup, the computer records only the positions 
you enter into memory and assumes no other pieces are on the board.

Follow these steps to clear the chessboard and set up only a few pieces.

1.  Press NEW GAME.

2.  Press POSITION.  The computer displays -POS-.
                                         _ _ _
3.  Press ENTER.  The computer displays [_ _ _] and clears the board 
    positions of all pieces from its memory.

4.  Press ENTER again.  The computer displays [white].

5.  Press the piece key for the piece you want to add and </WHITE or 
    BLACK/> to change the color, if necessary.  The computer displays
    [black] or [white] and the symbol for the selected piece.

6.  Press down the piece you want to add on its TO square.  The computer 
    displays [black] or [white] and the piece's symbol, (+) and the square
    the piece is on. The rank and file indicators also show the TO square.

7.  Repeat Steps 5 and 6 for any other pieces you want to add.

8.  When you finish setting up the pieces, press BLACK/> until the
    computer displays the desired starting color ([black] or [white]),
    then press CLEAR.  Or, simply press CLEAR, then play the game.

Note: If the computer sounds an error tone, one or more pieces were added 
      illegally.  To correct the setup, see "Correcting Illegal Setups"
      below.

Adding Pieces During a Game

During a game you can add pieces to help with a beginner's handicap or 
work different chess scenarios.

Follow these steps to add pieces during a game.

1.  Press POSITION.  The computer displays -POS-.

2.  Press the piece key for the piece you want to add and </WHITE or
    BLACK/> to change the color, if necessary.  The computer displays
    [black] or [white] and the symbol for the piece you want to add.

3.  Press down the new piece on the square where you want to add it.  The 
    computer displays [black] or [white] and the piece's symbol, (+) and
    the square the piece is on. The rank and file indicators also show the
    square.

4.  Repeat Steps 2 and 3 for any other pieces you want to add.

5.  When you finish setting up the pieces, press CLEAR.

Note: If the computer beeps an error tone, one or more pieces were added 
      illegally. To correct the set up, See "Correcting Illegal Setups"
      below.

Removing Pieces During a Game

During a game you can remove pieces to exercise an advanced player's 
handicap or work different chess scenarios.

Follow these steps to remove pieces during a game.

1.  Press POSITION.  The computer displays -POS-.

2.  Press the piece key for the piece you want to remove and </WHITE or
    BLACK/> to change the color, if necessary.  The computer displays
    [black] or [white] and the symbol for the selected piece.

3.  Press down the piece you want to remove on its square, then remove it.
    The computer displays [black] or [white] and the piece's symbol, (-)
    and the square the piece was on.  The rank and file indicators also
    show the square.

4.  Repeat Steps 2 and 3 for any other pieces you want to remove.

5.  When you finish setting up the pieces, press CLEAR.

Note: If the computer sounds an error tone, one or more pieces were 
      removed illegally. To correct the set up, see "Correcting Illegal
      Setups" below.

Correcting Illegal Setups

To be legal, a setup must meet the following conditions.

  Each side has one king.
  The king for the side that will move is not in check.
  There are no pawns on the first or eighth rank.

If the computer sounds an error tone, one or more pieces are set up 
illegally.  To correct the setup:

1.  Press the piece symbol key for each piece on the board to verify piece 
    positions.  See "Verifying Piece Positions" above.

2.  Set up a piece, remove the illegal piece, or replace an incorrectly
    placed piece with the correct piece for that square.  See "Adding
    Pieces During a Game" or "Removing Pieces During a Game" above.

3.  Press CLEAR.

(BR EB 9/28/00)

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