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enemy piece.
3. No piece, except the knight,
may cross a square occupied by
another piece.
4. A piece moved to a square
occupied by an enemy piece
captures it as part of the same
move. The captured piece must
be immediately removed from
the chessboard by the player
making the capture.
5. When one player moves into
a position whereby he can
attack the king, the king is in
“check.” His opponent must
either
a) move the king;
b) block the path of the attack-
ing piece with another piece;
or
c) capture the attacking piece.
6. The game is over when there
is no escape for the king from
an attacking piece. This is
known as “Checkmate.”
7. The game is over when the
king of the player whose turn it
is to move is not in check and
the player cannot make any
legal moves. This is known as
“stalemate” and is considered a
drawn game.
Individual Moves
Use the WHERE key (see page
3) and all legal moves for each
selected piece will be shown
one at a time. You will quickly
“learn by doing” the move-
ments of all pieces.
1. The queen can move to any
square along the same row, col-
umn, or diagonals on which it
stands, but cannot pass over an
enemy piece.
2. The rook can move to any
square along the same row or
column on which it stands, but
cannot pass over an enemy
piece. See also castling (on
right.)
3. The bishop can move to any
square along the diagonals on
which it stands, but cannot pass
over an enemy piece.
4. The knight move is in the
shape of an “L,” moving two
squares up or down, and then
21
White king there, and then
again to change the White king
to a Black king.
Next, pick out another piece in
the problem or position you
want to set up, and press the
appropriate piece key to the left
of the display. Then press the
square on the sensory board
where this piece should stand.
Press the square repeatedly
until the piece appears in the
right color on your display.
Follow this procedure until all
the pieces in the problem or
position are completely set up.
Make sure that Alexandra
knows which color is to move.
You may change the color of
the side to move by pressing
the
/
key.
Finally, press CLEAR to play
or to have Alexandra analyze
the position.
The Starting Position
General Rules of
Chess
1. The two players must alter-
nate in making one move at a
time. The player with the white
pieces moves first to start the
game.
2. With the exception of
castling (see below), a move is
the transfer of a piece from one
square to another square which
is vacant or occupied by an
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