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Subject: Re: Wcrafty 15.18 bug ??

Author: Serge Desmarais

Date: 16:11:54 09/17/98

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On September 17, 1998 at 02:42:54, Erkki Malkamaki wrote:

>On September 15, 1998 at 08:12:14, Robert Hyatt wrote:
>
>>On September 15, 1998 at 05:56:02, Erkki Malkamaki wrote:
>>
>>>Wcrafty 15.18 without endgame tables canĀ“t win as white from the following
>>>position:
>>>
>>>White: Kg6,Ne5,ph6
>>>Black: Ke7
>>>
>>>Crafty moves Knight or King aimlessly and "forgets" the pawn at h6.
>>>Versions < = 15.17 move the pawn almost immediately.
>>>
>>>I have tested this with P90,P200MMX and AMD K6-2 300 with same results.
>>
>>
>>I assume that you have some sort of either (a) set up problem here,
>>or (b) a hardware problem.  I tried this and my version plays either
>>Kg7 or h7 depending on the time limit.  But it certainly doesn't
>>"wander around aimlessly."
>>
>>Something is wrong on your machine, what is unknown,
>
>With 60/5 time limit I can survive 50 moves against Pentium 90 which searches
>about 24000 Nps from this position.
>
>AMD k6-2 300 ( about 200 000 Nps )makes first a few knight moves then finds
>correct moves.
>
>In analyze mode AMD k6-2 300 finds h7 in about one minute.
>
>Erkki
>>however...


That is interesting, because I am sure several (old) programs running on a 386,
or even less, would win this easily...


Serge Desmarais



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