Saitek chess User Manual download pdf (Page 16)

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When the computer plays White from

the top (Section 5.1, Option H1), be sure

to set up the pieces correctly! Notice that

the Kings and Queens are positioned

differently, and the board notation is

reversed.

TRY BLACK FROM THE

BOTTOM:

HERE’S THE POSITION!

For more details, see Section 5.1.

single best move, the computer will then choose one of the best moves

to play by consulting its built-in Randomizer!

d. Passive Book (Square D2)

On:+bk:P Off:-bk:P

Selecting the Passive Book option forces the computer to give

preference to passive and closed positions when deciding which lines

to play.

If this option is selected, the Active Book and Tournament Book

options are disabled.

e. Active Book (Square E2)

On:+bk:A Off:-bk:A

When this option is activated, the computer will give preference to

active lines and open positions when deciding which lines to play.

If this

option is selected, the Passive Book and Tournament Book options are

disabled.

f. Complete Book (Square F2)

On:+bk:? Off:-bk:?

Tur ning on the Complete Book option gives the computer the free-

dom to choose any move from its built-in book of openings, so you’ll

see a greater variety of opening lines being played.

If this option is

selected, the Passive, Active, and Tournament Book options are dis-

abled.

With this option on, you may see the computer make some question-

able moves. This is because its built-in book of openings must contain

responses to certain lines of play (even questionable lines), in case

they are played. While the computer would not make these moves on its

own, it needs to know how to respond to them in the best way. There-

fore, when you turn on the Complete Book, the computer could poten-

tially play one of these moves.

g. Tournament Book (Square G2)

On:+bk:t Off:-bk:t

When you turn the Tournament Book option on, the computer is

forced to always select the best possible line of play in every opening.

While this results in the best chess play, it also narrows down the

computer’s choice of moves by limiting its available book lines.

If this

option is selected, the Active Book and Passive Book options are

disabled.

a. Selective Search (Square A2)

On:+SEL Off:-SEL

The program in this chess computer normally uses a

Selective

Search algorithm.

This allows the computer to see combinations that

would otherwise take much longer to compute. Turning this option off by

choosing -SEL makes the program switch to a powerful

Brute Force

algorithm.

This search method minimizes the risk of an occasional

oversight.

Note that the Mate Search Levels always use the Brute Force

method.

b. Easy Mode (Square B2)

On:+EASy Off:-EASy

Want to win more games against the computer? Try turning on Easy

Mode, which prevents the computer from thinking on your time! This

weakens all the playing levels without affecting the computer’s time

controls. Normally, as described in Section 2.8, the computer thinks on

your time, using the time you are contemplating your next move to think

ahead and plan its strategies. This is part of what makes your computer

such a tough opponent! By using Easy Mode to make all the levels

weaker, you effectively have many more levels to choose from!

c. Random Play (Square C2)

On:+RaNd Off:-RaNd

Turn this option on for greater variety of play. Instead of selecting one

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