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Subject: Re: Gandalf 6.0 doesn't see mate in one? Plus a CCC problem??

Author: Uri Blass

Date: 09:02:10 12/04/04

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On December 04, 2004 at 11:37:35, James C. Logan wrote:

>On December 04, 2004 at 11:30:12, Uri Blass wrote:
>
>>On December 04, 2004 at 10:50:14, F. Huber wrote:
>>
>>>On December 04, 2004 at 10:43:21, Uri Blass wrote:
>>>
>>>>>You're right, I was in single variation mode.  What a weird bug that
>>>>>multivariation does not pick up the easy mate in one and opts for a bad move.
>>>>
>>>>Why a weird bug?
>>>>
>>>>programmers usually use their program in game and not in multi variation mode so
>>>>it is logical to have bugs with multi variation mode.
>>>>
>>>>Uri
>>>
>>>".. so it is logical to have bugs with multi variation mode." ???
>>>
>>>What a weird opinion!
>>>
>>>Franz.
>>
>>It is more logical to have bugs in something that you did not test and if the
>>programmer did not test much multi variation mode then the probability for bugs
>>in that mode is higher than the probability for bugs in conditions of game.
>>
>>Uri
>
>I guess I can agree with that, however, it is not fair to assume that not enough
>testing was done in multi-variation mode when it is one of the listed selling
>points of the program. I do not think we have it out for Steen with this -
>simply an acknowledgement that a bug exists, and it will be looked into. I find
>it no mystery that bugs can exist. Helps us all to point them out, right? At
>least this one is easily reproducible.
>
>I can now verify that this odd behavior not only happens under any Chessbase
>interface, but also when using Gandalf 6.0 in MV mode under Arena 1.092. Once
>again, mate is instantaneously found in SV mode.

I did not claim that the bug does not need to be fixed (I read that steen
already fixed it) but only that I do not think that it is a weird bug.

Uri



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