background image

lnvert Board

Move  Randomizer

Opening Book

Tone Signal

5.5.1  Enable Automatic lnformation 

While  MEPHISTO  is  calculating  its  moves,  the 

display  is  usually  set  to  the  chess  clock,  which 

shows  the  tirne  taken  for  the  current  move  in 

minutes  and  seconds.  However,  it  is  possible  to 

make  information  about  the  computer's  calcula­

tions  appear  automatically  in  the  display  window 

while they are in progress. 

To  enable  this  option,  press  the LEV  key  4  times. 

The display will now look like this: 

[c,  , __ J 

--

,_,_, 

__ ____ 

Tl1e two dashes indicate that the option is currently 

disabled.  Vou  can  change  this  setting  by  pressing 

ENT. The display will now change to: 

[ .-,  '  ] 

--

_,-_, 

-'------

Tl1e  absence  of  the  dashes  indicates  that  the 

option  is  now  enabled.  Vou  can  leave  Level  Mode 

as  usual  by  pressing  CL.  The  display  will  switch 

back to PLAV. 

Fram  now  on,  the  computer  will  display  the 

following items of information  while it is analyzing: 

The best m�e found so far

The expected reply to the above

The search depth

The position evaluation

The  display  changes  trom  one item  to  the next at 

one-second intervals. 

5.5.2 Enable Automatic Play 

By selecting this option, you can make MEPHISTO 

play  against  itself.  It  will  calculate  first  one  move 

far White,  then  one  move  for  Black.  then  again  a 

move  far  White  and  so  on  until  the  game  is 

finished.  The  pieces  need  not  be  moved  on  the 

board. 

The  automatic  play  option  is  ideal  far  analysis  of 

very  cornplicated  positions  or  adjourned  games. 

Please  note  that  the  computer  must  be  given 

ample  tirne  far  its  calculations  (we  recommend 

levels 6 or 8). 

10

Games  played  with  the  autoplay  option  may  later 

be reviewed in  Memory  Mode.  The Automatic Play 

Option  is  accessed  by  pressing  the  LEV  key  5 

times: 

,:, ' ' 

-

I I LI 

-

Vou  can  now  enable  this  special  option  by 

pressing ENT. The display will change to  this: 

[ ,:,,,  ] 

_I_IL_I 

As  soon as  you  leave  Level  Mode by pressing  CL, 

the  computer  will  start  playing  against  itselt  auto­

matically,  calculating  the  moves  for  both  sides  as 

described above. 

Vou  can  stop  automatic  play  at  any  tirne  by 

pressing ENT.  MEPHISTO will then finish its current 

calculations and display the  best  move  found until 

that  moment.  It  will  then  be  waiting  tor  you  to 

make  the  next  move  tor  the  other  colour.  Fram 

then  on,  the  automatic  play  option  will be  disabled 

and play  will  continue  in the  normal  fashion  at  the 

current playing level. 

5.5.3  Enable Chess Tutor 

The  Chess  Tutor  option  is  intended  tor  beginners. 

When it  is  enabled,  MEPHISTO will refrain from  its 

usual  practice  of  relentlessly  exploiting  its 

opponent's  mistakes.  lnstead,  it  will  draw  the 

learner's  attention  to  the  fact  that  he  has  just 

committed a bad blunder. 

The  Chess  Tutor  option  is  accessed  by  pressing 

the LEV key 6 times. 

[lf--] 

----------

11

(Le  is  short  far  "Lehrer",  the  German  word  for 

"teacher".)  Pressing  ENT  will  enable  this  special 

option  The d1splay will change to this: 

[_l_E  _ ] 

Vou  can  now  leave  Leve!  Mode  by  pressing  CL 

The display will switch back to "PLAV''. 

Fram  now  on,  whenever  MEPHISTO  discovers  in 

the  course  of  its  calculations  that  you  have  made 

very weak  move,  it will draw your attention  to  this 

by  sounding  a  warning  signal  and  displaying  the 

following messa9e: 

Summary of Contents for MMV

Page 1: ...ne another There are copious cross references to supplementary material in other sections We recommend that you start out by going through the entire manual section by section once After having tt us obtained a general overview of the way your computer is operated you can make a more detailed study of specific points whenever the need arises And now we wish you lots of fun with your new electronic...

Page 2: ... six keys each that allow you to set all the necessary parameters and to access various items of information You are assisted in the handling of your computer by a four character seven segment display 6 function indicators the light emitting diodes or LEDs located above the keys and 64 square indicators one LED on each square of the chessboard The extensive explanations contained in this manual ar...

Page 3: ...making the capture on the respective square 3 3 Capturing en passant Execute the pawn move in the normal fashion The computer will then remind you to remove the captured pawn by flashing the LED on the square that it stands on lf you are not sure whether the rules allow an en passant capture please refer to the relevant chapter in any elementary chess course When castling you must always move the ...

Page 4: ...ffice tor you to know that even if one of these drawn positions is reached you can stil go on playing as lcfflg as you like 3 8 Starting or interrupting the calculation of a move Pressing the ENT key while it is your turn to move will start the computer calculating the next move in your stead Pressing ENT while the computer is analyzing will interrupt its current thinking process and cause it to p...

Page 5: ...a tournament game within the prescribed tirne limit of two hours the computer will repeatedly Here follows a descnption ot the d1fferent play1ng sound a warning tone and display the following 8 message C This means that strictly speaking you have now forfeited the game on tirne However it you wish to continue the game in spite ot that you are free to do so The 7 key Level 7 tournament level human ...

Page 6: ...computer must be given ample tirne far its calculations we recommend levels 6 or 8 10 Games played with the autoplay option may later be reviewed in Memory Mode The Automatic Play Option is accessed by pressing the LEV key 5 times IILI Vou can now enable this special option by pressing ENT The display will change to this _I_IL_I _ As soon as you leave Level Mode by pressing CL the computer will st...

Page 7: ...d moves it has found 5 5 6 Disable Opening Book With this option you can turn otf your MEPHISTO s extensive opening library or book The chess program then has no access to the opening theory stored in its memory and will start calculating moves on its own from move 1 It you want to disable your computer s op ning book proceed as lf you want to play Black against the computer proceed as follows Pre...

Page 8: ...TO s super iority and resign in your tum During the early pl ase of a game while the computer is stili playing its moves from its store of 14 opening theory or book the following message will be displayed instead of an evaluation _ You can leave lnformation Mode at any tirne by pressing CL 6 2 lnfo 2 Chess clock While the computer is analyzing the display normally shows only the tirne taken tor th...

Page 9: ...TO anticipates mate in 2 1 l l MEPHISTO RESIGNS CHECKMATE STALEMATE Patt in German J 16 position evaluation or if only a few opening moves have been made so far the theo message By pressing the key labelled O you can now cause the comment MEPHISTO wishes to make to appear in the display window In some positions it may be that MEPHISTO has more than one comment for you Theretore you should always p...

Page 10: ...so it is better to use the method described in section 7 2 in order to avoid any mistakes On the other hand when taking back only a tew 7 2 Taking back move MEPHISTO s interna memory allows you to play the current game backwards either in its entirety or far a few moves only Press the MEM key to enter Memory Mode while it is your tum to move In the display window you will see the message memo By r...

Page 11: ...ey The disptay will change to this J This means Do you really want to ctear the computer s interna board Confirm your intention by pressing ENT once more and the display will switch to the symbol tor the white king __ _ Briefly lift the white king from its square The corresponding square LED will start flashing and the coordinates of the white king s location will be shown in the display window un...

Page 12: ... as a travelling chess computer Finally we the MEPHISTO team wish you lots of tun with your new electronic chess partner Technical Data Microprocessor 65C02 ROM 32 KByte RAM 8 KByte Processor speed 4 9152 MHz Display 4 character Fits these units Modular Exclusive CE Munich Mobil LCD Thls lnstruction manual descri s the produd as ex acUy as poss1ble bul does not guarantee any specific property or s...

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