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VII. ILLEGAL MOVES
If you try to make an illegal or impossible move, you will hear the error signal and see a cross displayed on
the board. The computer will not take your move into account.
If you try to make an illegal move or to play with your opponent pieces, you will hear the error signal. You
can then play a different move. If the error signal is heard and a square lights up, just press this square
before making another move.
VIII. CHECK, MATE AND DRAW ANNOUNCEMENTS
When the computer gives check, a special sound is heard and the CHECK light turns on. All squares
between the threatening piece and the king successively light up.
If the computer checkmates you, or you checkmate the computer, it plays a loser or winner melody
together with an animation, and the CHECK and DRAW/MATE lights turn on.
If you stalemate the computer a special sound and animation is played and the DRAW / MATE light turns
on as well as all LEDs around the king.
If the same position occurs 3 times in a row or if neither player moves a pawn or captures a piece for 50
moves, the DRAW/ MATE light turns on also, but you can still continue playing if you want to.
CAPTURING PIECES EN PASSANT
The instructions above also apply to taking pieces en passant, except that the computer will tell you
to remove the captured pawn.
1. Press the square you want to move from and pick up the pawn.
2. Press the square you are moving to and put the pawn on it.
3. The computer will tell you to remove the captured pawn by illuminating the lights corresponding to
the pawn captured en passant. Press this square and remove the pawn from the chessboard.
CASTLING
In order to castle you need first of all to move the King as usual. Once you have pressed the squares
you want to move the King from and to, the computer will remind you to move the Castle.
To castle short (castling with the King’s Castle) on the white side:
1. Press square E1 and pick up the King.
2. Place the King on G1 and press the square.
3. The computer will remind you to move the Castle by illuminating the lights corresponding to H1.
Press the H1 Square and pick up the Castle.
4. The computer will illuminate the coordinates of F1. Place the Castle on F1 and press this square.
To castle long (castling with the Queen’s Castle) on the white side:
1. Press square E1 and pick up the King.
2. Place the King on C1 and press the square.
3. The computer will remind you to move the Castle by illuminating the corresponding square. Press
A1 and pick up the Castle.
4. The computer will illuminate the coordinates of D1. Place the Castle on D1 and press the square.
PROMOTING PAWNS
The computer automatically promotes pawns.
1. Press the square of the pawn you want to promote and pick up the piece.
2. Look for a Queen of the right colour among the captured chessmen. Press the square you want
the Queen on and place the piece on this square.
The computer assumes that you will always choose a Queen when you promote your pawns. If
you want to promote your pawn to a Castle, a Bishop or a Knight, you can do so by changing their
positions (see paragraph XXI). The computer itself will always promote its pawn to a Queen.
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