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You may check or change the skill level at any time during a game, but not whilst 
the computer is calculating. You cannot interrupt the computer while it is 
calculating but must wait for it to make a move. 
 

Note:

  If you switch the computer off to continue your game at a later time, or press 

NEW GAME, the previous set skill level will be retained provided you have 
batteries in your computer or it is connected to the adaptor. 

 

THE 64 LEVELS AND THEIR CHARACTERISTICS ARE SHOWN 
BELOW : 

 
 

Fixed Time Level (A1 - B8) : 

Fixed computing time per move. The computer will always respond in exactly the 
specified amount of time, unless there is only one legal move in which case it will 
play instantly. In the case that the computer sees it can force a checkmate it will 
make its move as soon as it finds the mating sequence. 
 

 Level 

Time Level 

Time 

 

(1) A1  2 sec. 

(9) B1  60  sec. 

(2) A2  5 sec. 

(10) B2  75  sec. 

(3) A3  10 sec. 

(11) B3  90  sec. 

(4) A4  15 sec. 

(12) B4  120 sec. 

(5) A5  20 sec. 

(13) B5  150 sec. 

(6) A6  25 sec. 

(14) B6  180 sec. 

(7) A7  30 sec. 

(15) B7  210 sec. 

(8) A8  45 sec. 

(16) B8  240 sec. 

 

Average Time Level (C1 - D8) :  

The computer will take an average of the specified amount of time per move. If it 
has only one legal move it will respond instantly. 
 

Note:

  These times are average times over a large number of moves. In the opening 

and endgame the computer tends to play faster, but in complicated 
middlegame positions, it may take longer to move. 

 

 Level 

Time Level 

Time 

 

(17) C1 

2  sec. 

(25) D1 

60  sec. 

(18) C2 

5  sec. 

(26) D2 

75  sec. 

(19) C3 

10 sec. 

(27) D3 

90  sec. 

Summary of Contents for OPAL II

Page 1: ...1 NOVAG OPAL II INSTRUCTION...

Page 2: ...MOVE Take Back Key 8 CHOICE OF COLOR Go Key 9 CHANGE OF COLOR Color Key 10 THE COMPUTER PLAYS AGAINST ITSELF Go Key 11 VERIFYING A POSITION Ver Set Key 12 SETTING UP A POSITION Ver Set Key A Removing...

Page 3: ...but is available separately from your dealer Before using the Novag adaptor Art No 8210 check that the voltage of your electric mains is within the range specified on the adaptor label Note Make sure...

Page 4: ...he square you wish to move to and press it down gently Whilst the computer is calculating its move the BLACK LED will be on Never try to enter a move or special functions while the computer is calcula...

Page 5: ...e computer indicates a move onto a square that is occupied by an opponent s piece it means that this piece is captured and must be removed from the game board Simply take it from the board without app...

Page 6: ...you for the promoted piece press any chess piece key except Pawn and King for Pawn Promotion d Stalemate A Stalemate condition is indicated by the STALE and MATE LEDs e Check and Checkmate If the com...

Page 7: ...press square B4 and again this will be indicated by the corresponding rank and file LEDs Please see board below for reference Once you have set the desired level press GO to exit this mode Now you may...

Page 8: ...move in which case it will play instantly In the case that the computer sees it can force a checkmate it will make its move as soon as it finds the mating sequence Level Time Level Time 1 A1 2 sec 9...

Page 9: ...nite 38 E6 6 ply 39 E7 7 ply 40 E8 8 ply Level F5 is an infinite level the computer will normally go on thinking until you press the GO key It will only show a move unless it has a book move available...

Page 10: ...the Problem Solving Levels as described above Press GO once to exit the setting up of the mate search and then press GO a second time and the computer begins with the mate search Level Problem 57 H1 M...

Page 11: ...ite ones on rank 7 and 8 in that case disregard the notations along the chess board Now Press NEW GAME COLOR GO The computer will make its opening move for White from the top of the chessboard while y...

Page 12: ...g that no further pieces of this kind are on the board and in the computer s memory You can now call off the next type of pieces To end the verification at any time simply press the GO key 12 SETTING...

Page 13: ...entire board will be cleared You may now set up a board position 12 D ENTERING A PIECE If you want to enter one or several pieces or enter a board position proceed as follows Press the VERIFY SET UP k...

Page 14: ...ayer When it is your turn to move press the TRAINING key and the blinking LEDs will show the from and to squares of the first piece with a legal move If you continue to press the TRAINING key the comp...

Page 15: ...to Mates in 3 are usually found quickly whereas Mates in 4 to Mates in 6 require quite a long time If there is a solution the computer will show you the moves to execute If there is no solution the E...

Page 16: ...tors sunshine etc as this may lead to permanent damage caused by overheating which is not covered by the warranty TECHNICAL INFORMATION Program Size 16 KByte ROM 768 Byte RAM CPU clock speed 8 MHz Pow...

Page 17: ...e with another piece c or attack the attacking piece 6 The game is over when there is no escape for the King from an attacking piece This is known as Checkmate the CHECK and MATE LED II Individual Mov...

Page 18: ...remaining on the chessboard This exchange is called a promotion A Pawn can attack a square crossed by an enemy Pawn which has been advanced two squares in one move from its original square as though t...

Page 19: ...y the importer whose name is marked on the enclosed warranty card Not suitable for children under 36 months due to inclusion of small parts PERFECT TECHNOLOGY LTD Room 406 Yu Yuet Lai Building 43 55 W...

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