Special moves, Ac operation (optional) – Excalibur electronic Ivan II User Manual
Page 11
1. The Queen can move to any
square along the same row, col-
umn, or diaganols 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 next
page.)
3. The Bishop can move to
any square along the diaganols
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
one square over. Or it can be one
square up or down, and then two
over.
5. The Pawn can move one
square forward. On it’s first
move it may move two squares
forward. When capturing, it
moves diaganolly (forward) one
square. See also en passent
(below.)
6. The King can move one
square in any direction, as long
as it is not attacked by an enemy
piece. See also Castling (below)
Special Moves
1. Castling is a move of both
the King and either Rook which
counts as a single move (of the
King) and is executed as dia-
grammed below:
Castling cannot occur if:
a) the King has already been
moved.
b) the Rook has already been
moved.
c) there is any piece between
the King and the Rook.
d) the King’s original square,
or the square which the King
must cross, or the one which it is
to occupy is attacked by an
enemy piece.
2. A Pawn may make an en
passent capture if it is a reply
move to a double pawn move,
and it is a Pawn which is side-
by-side with the Pawn which
made the double pawn move.
The capture of a white Pawn is
diagrammed at the top of the
next column:
3. A Pawn can be promoted if
it advances all the way to the far
side of the board. It is immedi-
ately promoted, as part of the
same move, into a Queen, Rook,
Bishop, or Knight, whichever its
owner chooses.
Since a Queen is the most
powerful piece, it is nearly
always chosen as the promotion
piece. Through the promotion
process, there may be more than
one Queen on the board at the
same time.
AC Operation
(Optional)
We recommend using a DC
adapter with a voltage between
6-8 VDC and 50 - 100 mil-
liamps. The inside tip of the
connector MUST be positive. If
you have difficulty locating an
adapter contact Excalibur. A
phone number and website are
printed on the back cover of this
manual.
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