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Subject: Re: Is there a program that build a test suite based on a pgn database?

Author: Uri Blass

Date: 08:39:01 12/17/01

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On December 17, 2001 at 10:58:44, Jon Dart wrote:

>On December 17, 2001 at 07:08:30, Uri Blass wrote:
>
>>I think that it may be a good idea to build a test suite based on games when the
>>target is simply to avoid tactical mistakes in the games.
>>
>>It is possible to take the ssdf games for this purpose.
>>
>>The program can analyze games at 1 minute per move and when it finds a big jump
>>in the score to the right direction of at least a pawn it can suspect that the
>>last move was a tactical mistake.
>>
>
>Sometimes the move immediately before the one with the big score is not a
>mistake - the side to move may be already lost, and have no good alternatives.
>But neither side sees this earlier, due to limitations in the depth of the
>search. So you really need to back up a few moves and analyze what happened in
>the positions leading up to the one that seems decisive.

I know it and this is the reason that I suggested(in the part that is in my
post) to analyze later the suspected positions for more time in order to see if
there is a big difference between the score after the move that was played and
the score after the move that is suggested.

<snipped>
>You can't
>usually be 100% certain that you have a unique best move.
>
>--Jon

yes,I know it and test positions can be also to avoid a tactical mistake and not
to find a unique move.

I also did not say that 100% of the solutions are going to be correct.

Uri



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