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Subject: Re: Selling Idea to make a chessprogram. Ok.. here it is the answer..

Author: Alessio Iacovoni

Date: 13:07:58 08/26/98

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>Why don't you just explain your idea here?  If it survives the critiques, you
>will have gained something of more value than the small sum of money you are
>seeking, and if your idea has weaknesses, you would learn about them.

Ok. Here it is...

Now, first some facts:

1. When playing against a chessmachine the "human" player adopts certain
strategies that it feels will make the "machine" loose...

For example:

(a) let it go out of it's opening book in the very first stage of the fight (as
Kasparov did at least in one game aginst deep blue if i dont remember wrong).
(b) play closed games
(c) exchange as many pieces as possible
(d) play "calm" and "positional"
(e) attempt an attack on the computer's castled king with a piece sacrifice
(strange but many programs will fall in for it!!) - opening lines and exposing
his majesty.
(f) make positional sacrifices (i.e. "real" ones)

So basically it seems that the way the program is beaten is through positional
knowledge and a clever use of sacrifices etc etc.. i.e. intelligence..

But you know all of this.. the solution: have 2 engines play the same game:

a tactically strong one i.e. Fritz
and a positionally "knowledge based one"

The tactical engine would be in control all of the time, but all of the moves
would be filted by the "positional one" in such a way as to avoid those
"bluders" which are typical of programs. The filtering could be weighted in
suych a way as to ovveride the positional engine filtering if a very strong
tactical combination is found and viceversa. etc etc..



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