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Subject: Re: Gandalf 6.0 doesn't see mate in one? - Important follow-up!!!

Author: Flavio Quintiliano

Date: 15:33:26 12/03/04

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Exactly. If u input the position in Fritz in analysis mode, Gandalf 6.0 finds
the mate in single variation mode, but not in multivariation mode.

This looks like a bug for an engine that is said to be very good for analysis.

Thx for the answers and thx to the author.

Saludos

On December 03, 2004 at 11:50:12, James C. Logan wrote:

>On December 03, 2004 at 11:14:57, Uri Blass wrote:
>
>>On December 03, 2004 at 10:40:40, James C. Logan 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?
>>>
>>>A new wrinkle - the above is certainly true, but only when Gandalf 6 is
>>>displaying multiple variations! If I use the engine, in Chessbase 9 or Fritz 8
>>>interface in single variation mode, then it delivers Qg2++ immediately.
>>>
>>>What's up with THAT??
>>
>>I do not understand how you use the engine for playing with multiple variations.
>>I thought that multiple variation is only for analysis and engines cannot play
>>in these conditions.
>>
>>"the engine will always deliver Qxf1 no matter how much time I give it" means
>>that it practically plays that move based on my understanding(otherwise you
>>could say that the engine will always show Qxf1 as the best move).
>>
>>
>>Uri
>
>Just a misunderstanding, I am sure. I do not play against the engine in this
>case. I am analyzing the position given. If I am in the Chessbase interface, I
>am almost always displaying the top 2 moves from the engine. In this
>configuration (which i call multivariation) Gandalf 6 does not find the mate,
>ever. Now, if I set the analysis window to display only the top move, it gets
>the mate immediately! This happens if I am in the multivariation mode and use
>the "-" key to reduce it to one move, or if I start out with the engine in
>single variation mode.



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