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Subject: Re: Solve it? Why?

Author: pete

Date: 23:43:24 03/16/00

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On March 17, 2000 at 02:18:14, Pete Galati wrote:

>On March 17, 2000 at 01:05:34, Vincent Vega wrote:
>
>>Sorry, math error.
>
>I never understood the interest in solving the game.  In theory, I guess you
>could have a computer that can solve the game.  But when that's done, and you
>set the 2 greatest Chess players down to play a match against eachother, they'll
>still be playing at human capabilities, and it'll still be a case of whoever
>makes the second to last mistake wins.
>
>So I'm sure if the interest in computer Chess continues that the game will
>eventually get solved, but I don't think that that's very interesting, and
>probably it doesn't need to be done all that much.
>
>Refinements in the programs is what's needed, not the ability to solve the game.
>
>Pete

I suspect it is even worse ; when the game is solved you maybe will have won
much less than expected .

Let's assume the game is drawn after all white's first moves and by most black
answers to them ( which seems to be very likely ).

This will continue throughout the whole game : the move which wins a pawn but by
some miracle allows the opponent to escape to a draw is just as good as the move
which blunders a knight and by some miracle let's _you_ escape to draw .

So what you get is "only" a search tree which has been limitted very much ( nice
enough ) . Choosing between the moves you still have to build a strong engine ;
I think I remember to have read similar things about draughts and the program
chinook ( name might be slightly different ) .

But now this perfect program will probably still allow a human which for example
achieves to swap pieces escape to a draw from time to time .

Now imagine a tournament where several top humans and this perfect program play
each other round-robin ; it might well be that the machine even then wouldn't
win .

It seems we already have this problem now ; when two programs which use 5-men
tablebases play against each other the draw ratio seems to go up ( anyone ever
checked this statistically ? ) .











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