Talking Chess Tutor
(600-2255)                   Special Functions       Faxback Doc. # 34382


LEVEL

Level lets you select from 25 levels of play.  Level A1 is automatically
selected when the computer is first turned on.  The first time you
activate LEVEL, the A and 1 lights turn on to show this.

PLAY LEVEL SELECTION

Follow these steps to select another level of play.

1.  Press LEVEL and the appropriate board square as shown in the
    illustration on Page 20 of the Owner's Manual.

2.  Press CLEAR to exit the LEVEL selection mode.

The following is a detailed description of the various levels.

   Preset Levels (A1-A8) restrict the computer's thinking time with
   preset time limits.  The chart shows the average response time for
   each of the preset levels.

      Example:  Square A1 shows the computer's average response time of
      1 second per move and the overall 60 moves per minute time control.

   Fixed Depth Levels (G1-G8) restrict the computer's ability to look
   ahead by a selectable number of half moves (one half move equals one
   move for one player).

      Example:  If you set up a problem and want the computer to search
      for a mate in 6 moves, set the computer to Level H6.  As you enter
      the indicated opponent's moves, the computer turns on the rank and
      file lights to show its moves to mate.

   Infinite Levels (any board squares in files B, C, D, E, or F) gives
   the computer unlimited time for each move.  The computer continues to
   search, looking deeper and deeper until a forced mate is found or
   until you halt the search.  When halted, the computer makes the best
   move it has found thus far in its search.

To halt the computer's thinking at any time, press MOVE.

To cancel or exit the Level Function, press CLEAR.


(IR-08/23/96)

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