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The ZX Files 1
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ZX Files 1.adf
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1992-03-06
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3KB
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48 lines
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+CHESS+
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After loading, the chessboard with pieces laid out for the beginning
of a game will automatically appear. The program will ask the user
whether he wants to play or set up the board differently. Press P to
play. The user will be asked what colour he would like to play. Press
W for white and B for black .Finally the level of play is requested.
Press a number from 0 to 9. Usually it is sufficient to play at one of
the lower levels (0 to 3, say) for a rapid response to moves.
The position of the pieces on the board are defined by using the
modern algebraic notation. The columns on the board are labelled A to
H and the rows are 1 to 8. White Queens rook is always the square A1
in the initial set-up. The rows and columns on the board are labelled
on the screen.
To enter your move, type the coordinates (column letter followed by
row number) of the square of the piece you want to move followed by
the coordinates of the square to which to which you wish to move to
it. No delimiter between the coordinates "from" and "to" is required -
it will be automatically be inserted. After you have typed in your
move, the appropriate piece will be moved, and the computer will
consider and apply its move.
All legal moves are allowed including castling and en passant.
Castling is achieved by entering the king's move. On entering your
move, if you make an error, you may always correct it by using the
shift key shifted or unshifted.
A number of commands may be applied at any stage. Typing the key R
asks the computer to recommend a move to you and will do so at the
same level of search on which it is currently set. L allows you to
change the level at which the computer is playing. Z will copy the
entire screen to an attached printer. T will save the current game to
cassette to enable it to be resumed later. X exits from the game to
start afresh or to set up the board.
SETTING UP THE BOARD
You may set up the board to examine a problem as you wish. At the
start of the game or after exiting, press S for set-up. The cursor
keys 5, 6, 7 and 8 can be used either shifted or unshifted to move a
flashing cursor around the screen. The command C clears the board of
pieces completely. The delete key deletes the piece at the current
cursor position. The letters K, Q, R, B, N and P are used to place the
appropriate piece on the board. X exits from the set-up routine.
Copyright 1982 Psion Ltd.