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Subject: Re: gothmog's eval

Author: martin fierz

Date: 23:00:34 02/17/04

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On February 17, 2004 at 11:55:48, Tord Romstad wrote:

>On February 17, 2004 at 08:13:45, martin fierz wrote:
>>On February 17, 2004 at 07:36:25, Tord Romstad wrote:
>>>On February 17, 2004 at 04:53:54, martin fierz wrote:
>>>>hi tord,
>>>Hello, and thanks for the comments and suggestions!
>>>>two other things i noticed:
>>>>-> gothmog 0.4.5 evaluates KRN vs KR as about +4 for KRN. it's usually a draw
>>>>though... i didn't check, but you should, KRB-KR, KR-KB, KR-KN - all usually
>>>>draws. this should be easy to fix
>>>I think you must have confused Gothmog with some of your other sparring
>>>partners here, or you are using a version much older than 0.4.5.  The score
>>>in KRNKR endgames should never be more than about +1 pawn (usually less)
>>>for the stronger side, unless I have some bug.  I tested several different
>>>KRNKR endgames now just to be sure, and I didn't notice any problems.
>>i'll have to check again in that case. i'm pretty sure that i have 0.4.5 and i'm
>>also pretty sure it was gothmog and not frenzee. i'll let you know what i find -
>>but if you have already fixed that it's not so important  :-)
>I certainly haven't fixed anything like that; at least not recently.
>I just checked my old sources and found that the KRNKR code has been
>there ever since the pre-historic (and pre-release) version 0.2.4.
>Nothing has changed since then.  I have seen lots of KRNKR, KRBKR,
>KRKB and KRKN endgames during the last half year, but I never saw
>any problems.  If you really observed a +4 score in KRNKR, it must
>have been a bug, but apparently a very rare one.  It definitly does
>not occur except in a very tiny fraction of the possible KRNKR endgames.

hi tord,

sorry to have brought this up - gothmog is fine in this respect. my memory was
faulty - it was a game against frenzee 146 where this happened, and frenzee
thought it was winning with KRN-KR.


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