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Subject: Re: A strange position. Does your engine see the victory?

Author: Andrey Popov

Date: 08:55:14 09/05/03

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On September 05, 2003 at 11:49:13, Anthony Cozzie wrote:

>On September 05, 2003 at 11:39:33, Andrey Popov wrote:
>
>>On September 05, 2003 at 11:02:07, John Merlino wrote:
>>
>>>On September 05, 2003 at 10:51:03, Andrey Popov wrote:
>>>
>>>>Look at the following position:
>>>>[D]6k1/3qppP1/b3p3/Pp1pP1PN/1PpP4/2P5/8/1BK5 w - - 0 1
>>>>Does your engine see the victory?
>>>
>>>Chessmaster 9000, on a P4-2.4, needs a little over 2 minutes to see the win:
>>>
>>I see. 2 minutes and only 9 plies.
>>However, Ruffian (the same strength) could not get the positive score during
>>this time. What is the reason of this strange difference?
>>See the Ruffian log:
>
>the position is a null move killer.
>
>anthony

Do you mean that Chessmaster does not use the nullmove heuristic?
Is there a method to deal with this kind of position using the nullmove?





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