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Subject: Re: Computer Chess and Positional Judgement, IE Reduce and Simplify.

Author: scott farrell

Date: 05:57:57 01/06/03

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On January 06, 2003 at 03:20:32, Terry McCracken wrote:

I have some small amount of code to try and 'encourage' swapping material when
chompster is ahead, and the opposite when it falls behind. Or if King Safety is
bad, it tries to swap  material to defuse the threat.

With the use of EGTB it is common for  a computer to see at a leaf node a
won/lost/drawn end game, but only if it can see down to 5 pieces. When they see
this, the go into mega overtime swapping/giving up material everywhere to get to
the 5 pieces known win.

Scott

>This position arose in a casual game tonight. I played the "Human" Rd7+ to
>quickly reduce it to a simple winning King & Pawn Ending.
>
>Computers like to keep it more complex with Rf6!?
>
>How long will it take, if ever, for a top programme to find and play the "Human"
>Rd7+, winning with simplicity?
>
>How much effort is put foward by the programmers, to tell the computer,
>"Reduce & Simplify"?
>
>[D]8/p1r1k2p/2PR2p1/6P1/8/8/P4P1P/6K1 w
>
>
>Terry



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