Radio Shack 1850

6. Check, Mate and Draw
When the c o m p u t e r puts your king in check the CHECK light
will come on. If a gam e ends in checkmate, the MATE light
will be t u r n e d on as w e l l (the W H I T E or BLACK lights
indicate which side has been checkmated).
In case of a stalemate or draw by threefold repetition or fifty
move rule, the DRAW light will be t u r n e d on.
7. New Game
To start a new game press | NEW GAME | when it is y o u r turn
to move. New game does not affect the level setting. If
| MULTI MOVE | or | DISPLAY MOVE| have been pressed, they
should be reset prior to starting a new game.
8. Take Back
When it is yo u r turn to move you may take back (erase) the
last computer move and yo u r previous move. To do this press
| TAKE BACK I . The c o m p u t e r will show you where the
pieces came from and w h e r e you should replace them. The
Radio Shack 1850 can take back up t o 8 times.
9. Changing sides
If you wish to change sides with the co m p ut e r you may do so
by pressing | PLAY | instead of making your move. The
computer will play the next move for you and y o u can g o o n
playing for the other side.
You can change sides as o f t e n as y o u like during the course of
a game. You can even press | PLAY | after every move and
make the compu ter play an enti re game against itself. The
PLAY ] key is also useful when you need help and w a n t the
computer to suggest a move for y o u .
If you w a n t to begin a game with the black pieces, set u p t h e
board with the black pieces at the bottom. Press | NEW GAME]
and | PLAY | . The c o m p u t e r will make the first move for
white, playing down from the t o p o f the board.
Note: White King is o n square D8 and black King is o n square
D1.
10. Interrupt
When the co m p u t er is co m p u t i n g a move you may interrupt it
by pressing [ PLAY | . This will cause it to stop computing and
play the best move it has found so far.