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Subject: Re: If Quiescence is entered in check...

Author: Stuart Cracraft

Date: 15:58:52 09/05/04

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On September 05, 2004 at 18:44:08, Stuart Cracraft wrote:

>On September 05, 2004 at 17:37:05, Uri Blass wrote:
>
>>On September 05, 2004 at 17:02:19, Stuart Cracraft wrote:
>>
>>>Hi Uri,
>>>
>>>The result before, with quiescence calling main search with depth=1
>>>if quiescence is entered in check:
>>>
>>>**** 6.79/28.10 79% 238/300 249.14 73882192 246274/1/296554 0/870213/1477262/517
>>>893/17740646/101795
>>>
>>>The result if quiescence just does the search itself:
>>>
>>>**** 7.04/17.52 72% 216/300 260.43 72459680 241532/1/278229 0/542677/1438068/602
>>>049/29312072/2159
>>>
>>>There is much in the main search (extensions, null move, hashing) that is not
>>>in the quiescence and those techniques are a big benefit for the former method
>>>for me.
>>>
>>>Stuart
>>
>>I do not believe it and you probably have a bug in your new qsearch.
>>
>>I use no hash in the qsearch but first check in the qsearch was a clear
>>advantage for me in the qsearch was an advantage for me.
>>
>>I can add that I get 282/300 in less than one second on WAC with P1000.
>>I used wacnew and I wonder if you used a different test.
>
>I do not know about wacnew. Can you post a copy?
>
>>
>>For example I wonder if you have bm Qxa8 d6 dxe6 g3 for position 31
>
>I don't have g3!!!!
>
>>
>>
>>Here are results of movei in the first positions(number of nodes to solve the
>>position because time is not interesting:
>>position 1  2106 nodes
>>position 2  not solved
>>position 3  1215 nodes
>>position 4  105 nodes
>>position 5  47 nodes
>>position 6  105 nodes
>>position 7  175 nodes
>>position 8  335 nodes
>>position 9  86 nodes
>>position 10 89 nodes
>>position 11 191 nodes
>>position 12 65 nodes
>>position 13 117 nodes
>>position 14 142 nodes
>>position 15 74 nodes
>>position 16 393 nodes
>>position 17 387 nodes
>>position 18 2548 nodes
>>position 19 449 nodes
>>position 20 113 nodes
>>position 21 11308 nodes
>>position 22 426 nodes
>>position 23 15377 nodes
>>position 24 264 nodes
>>position 25 112 nodes
>>position 26 341 nodes
>>position 27 212 nodes
>>position 28 131 nodes
>>position 29 7506 nodes
>>position 30 21064 nodes
>>position 31 59 nodes
>
>Stuart

Is movei commercial? Do you share code?

I picked up wacnew.epd at

  ftp://cap.connx.com/pub/EPD/wacnew.epd

but had to ftp it via anonymous ftp as it
blocked my Internet Explorer attempts to obtain.

Testing with it now.

Stuart




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