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Subject: Re: No Need For Computers To Evaluate Chess Positions!

Author: Robert Hyatt

Date: 11:11:58 07/01/03

Go up one level in this thread


On July 01, 2003 at 07:26:04, Amir Ban wrote:

>On July 01, 2003 at 05:41:31, Graham Laight wrote:
>
>>When a GM is contemplating a move, he doesn't say to himself, "Hmmmmm. I would
>>give the resulting position a score of 1.723".
>>
>>Such an evaluation is nonsense anyway. There should properly be only 3
>>evaluations:
>>
>>1. Winning position
>>
>>2. Drawing position
>>
>>3. Losing position
>>
>>It would be nice if a program could work as follows:
>>
>>"nb5. This position contains a possible bishop trap".
>>
>>"nd5. This puts more pressure on the opponent's king"
>>
>>"Opponent classification: bishop trap success rate = 25%"
>>
>>"Opponent classification: king attack success rate = 15%"
>>
>>"Choice = nb5".
>>
>
>Probability of outcome and evaluation score are essentially the same thing.
>
>Amir


Many overlook that.  _Way_ too many take a chess program's score as a
"absolute value."  It is really a "probability estimate of winning or
losing."




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