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

Author: Uri Blass

Date: 07:43:21 12/04/04

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On December 04, 2004 at 08:46:33, Mark R. Anderson wrote:

>On December 03, 2004 at 23:23:52, James C. Logan wrote:
>
>>On December 03, 2004 at 22:30:53, Mark R. Anderson wrote:
>>
>>>On December 03, 2004 at 10:12:56, James C. Logan wrote:
>>>
>>>>This is very strange indeed. Under Chessbase 9 using Gandalf 6, the engine will
>>>>always deliver Qxf1 no matter how much time I give it, while all other tested
>>>>engines see mate immediately.
>>>>
>>>>However - under the Shredder Classic interface, Gandalf 6 sees the mate
>>>>immediately.
>>>>
>>>>What's up with that?
>>>
>>>James,
>>>
>>>That's troubling, since I just today purchased a copy of Chessbase 9 for myself.
>>>My copy of Gandalf 6.0 sees this mate instantly in my Fritz 8 GUI, and also
>>>instantly in Chesspartner 5.3 (where it's native).  So, what in Chessbase 9
>>>would suddenly prevent the same engine from seeing the mate in one that any
>>>beginner could find?  I hope Chessbase 9 is not full of holes.  Worrisome!
>>>
>>>Mark Anderson
>>
>>Mark: Are you sure that you were not in single variation mode? In all
>>interfaces, including Chessbase 9 and Fritz, single variation finds mate
>>immediately. Only in multivariation mode, in ANY Chessbase interface, will
>>Gandalf 6 not find this mate.
>>
>>Tomorrow, I shall try my hand with the Arena interface.
>
>James,
>
>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



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