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Subject: Re: Deep Sjeng - Ruffian really draw?

Author: Uri Blass

Date: 04:55:29 10/20/03

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On October 20, 2003 at 07:50:21, Gian-Carlo Pascutto wrote:

>On October 20, 2003 at 07:14:59, martin fierz wrote:
>
>>this certainly doesn't look like -2.22 to me. white has the exchange, that's
>>true, but e.g. an exchange of queens probably wins for black thanks to the
>>monster pawn on b3. i'm not at all surprised that white does not win this...
>>he'd have to mate black, and with only two pieces left that's not so easy!
>
>I agree - your last remark is actually also exactly the bug I fixed in DS 1.7
>the same night.

bug?

A bug is when the program behaves different than you expect.
If you did not implement some knolwedge it is not a bug because you cannot teach
it everything.

>
>But every computer seems to evaluate this wrongly.

In that case maybe correcting the wrong the evaluation to right evaluation can
cause correcting right evaluation to wrong evaluation in different positions.

Uri
>
>Do you see any improvements earlier on?
>
>--
>GCP



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