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11

7.

TAKE BACK Key (key is marked  )

Use this key to retract a bad move or just try a different line of play. Wait until it is your turn to move. Press the TAKE
BACK key and the move to be taken back will be alternately flashed on display along with the captured piece and square if
any (remember to replace this piece). Press TAKE BACK several times to take back multiple moves. When you reach the
beginning of the current game the display will show 

[bEG in].

To exit this mode make your next move or recall a computer move by pressing the GO key.
To clear the display press the CLEAR key.

Note:

If you select the COLOR or SET UP function to alter the position of any of the pieces, all prior moves will be
deleted and you may not TAKE BACK moves before the change of colour or position. If no moves are in the game
history the LCD will show 

[bEG in]

.

8.

TRACE FORWARD Key (key is marked  )

This key is mainly used for tracing forward all moves after using the TAKE BACK or RESTORE function. Every press of
this key will replay a move of the current game until all moves in memory have been replayed.
This is indicated by the word 

[En d]

 on the LCD. To clear the display press the CLEAR key.

9.

COLOR Key

This key has different functions :

 

When in VERIFY or SET UP mode this key changes the colour for the entry or verification of the board position.

 

The computer is generally programmed to play White first. In some cases if you want to play Black and move first
press:
Key sequence:    NEW GAME  

  COLOR  

  enter your first move for Black

The computer will make its move for White.

 

The COLOR key can be pressed at any time during a game and the colour to move will be reversed. Any moves made
prior to pressing this key will be erased and the game history will begin with this position.

 

When in LEVEL mode this key will allow the setting of separate levels for White and Black.

10.

CLEAR / CLEAR BOARD Key (key is marked C/CB)

This key has different functions :

 

When in SET UP mode the CLEAR BOARD key will clear the entire board of all pieces to make setting up a position
easier.

 

When in LEVEL mode and while the LEARNING message [

LEArn

≡≡≡≡

] is on display, this key will clear all the current

learned positions from the computer memory.

 

When the CLEAR BOARD key is pressed at all other times, it will act as a clear entry key.

For example: If there are messages on the LCD display like [

rAnd

≡≡≡≡

], [

EASY

≡≡≡≡

] etc. you can clear them by pressing

this key.

 

If you start entering a move and wish to cancel it you may press this key to clear the LCD display and start over again.
Pressing this key will clear the LCD display back to [                    ]  showing the symbol of the colour to move.

 

11.

VERIFY Key

This key has a double function:

 

On the first press you will enter the VERIFY mode and the LCD will show [

VEr – –

].

 

On the second press you will enter the SET UP mode and the LCD will show [

SEt – –

].

 

To exit either of these modes press the GO key.

At any point in a game or after entering a board position you can check the position of any number of pieces. You can also
check each square to see if it is occupied and by which piece. In this mode there are two ways to verify the position of
pieces.

xx

 – – – –

Summary of Contents for sapphire II

Page 1: ...NOVAG SAPPHIRE II INSTRUCTION...

Page 2: ...AME Key 2 LEVEL Key 3 GO Key 4 REFEREE Key 5 HINT Key 6 TRAINING Key 7 TAKE BACK Key 8 TRACE FORWARD Key 9 COLOR Key 10 CLEAR CLEAR BOARD C CB Key 11 VERIFY Ver Set Key 12 SET UP Ver Set Key 13 SOUND...

Page 3: ...ey F6 33 PRINT GAMES Key G7 immediate action 34 PRINT BOARD Key H8 immediate action 35 GAME RATING Ver Set Key B OPTION II KEYS 36 HASH TABLES Key A1 37 SELECTIVE SEARCH Key B2 38 PASSIVE BOOK Key C3...

Page 4: ...e LCD display shows LobATT this indicates that the battery set of the NOVAG SAPPHIRE II has to be replaced The old batteries however will still work for approx 5 hours To replace the batteries turn of...

Page 5: ...ccidental interruption whilst the computer is analysing its moves If you do not need this feature please make sure to set this switch to NORMAL position III GAME FEATURES a Making moves Moves are ente...

Page 6: ...enemy pawn which has been advanced two squares in one move from its original square may capture this enemy pawn as though the latter had been moved only one square This capture may be made only on the...

Page 7: ...EFEREE are turned off 2 LEVEL Key The SAPPHIRE II has 8 different types of Levels and 64 unique time controls to suit every type of players You may enter different playing levels for WHITE and BLACK T...

Page 8: ...1 2 d2 2 ply search 2 h2 mate in 2 3 d3 3 ply search 3 h3 mate in 3 4 d4 4 ply search 4 h4 mate in 4 5 d5 5 ply search 5 h5 mate in 5 6 d6 6 ply search 6 h6 mate in 6 7 d7 7 ply search 7 h7 mate in 7...

Page 9: ...r by Find Mate level 6 Figure 2 Generally expect the Find Mate levels 5 6 7 and 8 to take a long time If there is no mate in the stipulated number of moves the LCD display will show no nE The solution...

Page 10: ...lusive The user is never allowed to violate the min max moves and time 3 When reprogramming the level settings the listed keys perform the following functions VERIFY select the next digit OPTION I II...

Page 11: ...MPUTING If you press the HINT key whilst the computer is calculating the display will show the move the computer thinks is so far the best for itselft Press HINT key to display the move s being consid...

Page 12: ...ence NEW GAME COLOR enter your first move for Black The computer will make its move for White The COLOR key can be pressed at any time during a game and the colour to move will be reversed Any moves m...

Page 13: ...r if you are already in the VERIFY mode once You will see the word SEt on display To exit this mode press the GO key or change to the VERIFY mode a Removing a piece clearing the entire board Press the...

Page 14: ...o move This gives you some idea of how the computer thinks you stand in the current position Example If the computer sees that it can force a mate the display will show the mating depth as n 03 which...

Page 15: ...tion V LEVEL FUNCTIONS The following functions are accessed by first pressing the LEVEL KEY 17 NEXT BEST Key Key Sequence LEVEL NEXT BEST take back move as indicated This feature enables you to check...

Page 16: ...RO PRINT key PRO PRINT only works from a New Game position and at least one programmable opening book move must have been saved via PRO SAVE or PRO PRIORITY function 22 PRO PRIOR Key this function req...

Page 17: ...r will start now with the analysis Note The computer will analyse each move and send the results to the interface You may stop the analysis by pressing the GO key while the last move is being displaye...

Page 18: ...me the DEMO setting will allow the computer to play against itself continuously at the end of a game the computer will start with another new game whereas in AUTOPLAY mode the computer will play up to...

Page 19: ...JECt if a draw is not accepted Resign a game Press the key with the Bishop symbol to ask the SAPPHIRE II to rate this game as a losing game Note To qualify for a game rating the SAPPHIRE II must play...

Page 20: ...akes When the computer plays a move in which it becomes worse off it will remember the position and how deeply it searched into the position When it comes to this position again it will remember that...

Page 21: ...tion for the colour 5 Symbol for En Passant 2 6 digit display 6 Symbol for Stalemate Draw 3 Separation for time indication 7 Symbol for Check Checkmate 4 Symbols for chess pieces 8 Symbol for captured...

Page 22: ...this would be the computer s reply INFO Display Score for Black currently being computed INFO Display Number of half moves the computer has searched so far INFO Display Out of 43 variations there are...

Page 23: ...tion is selected and you may remove or add any chess piece to make up a new position The use of the CLEAR key is confirmed A Black Rook is set up on square a8 by using the SET UP Function The AUTOPLAY...

Page 24: ...elected and is now effective Novice playing level 4 is selected and the SAPPHIRE II will play less strongly A mate in 4 is entered by using the SOLVE MATE Function Black s Pawn move was from h4 and ca...

Page 25: ...will be looked at first The NOVAG SAPPHIRE II shows you the first HINT To select the NOVAG SAPPHIRE II Hash Table Generation function To select the NOVAG SAPPHIRE II selective search Certain opening b...

Page 26: ...n is correct using the VERIFY function see section IV 11 Or if the SAPPHIRE II is requesting you to enter a pawn promotion please press one of the Piece Symbol Keys 5 The SAPPHIRE locks up and will no...

Page 27: ...sized wooden auto sensory chessboard It also can be connected to any PC and therefore it is compatible with most of the popular chess software programs WChess Chess Genius Fritz Mephisto Advantage Re...

Page 28: ...any square along the same rank file or diagonal on which it stands except as limited by Article I 3 3 ROOK The Rook can move to any square along the same rank or file on which it stands except as lim...

Page 29: ...om Copyright 2000 Perfect Technology Ltd Hong Kong This chess computer has been manufactured under the traditionally high quality and safety standards of Perfect Technology Ltd and complies with the E...

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