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Subject: Re: Crafty modified to Deep Blue - Crafty needs testers to produce outputs

Author: Ulrich Tuerke

Date: 05:33:21 06/18/01

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On June 18, 2001 at 08:28:08, Bas Hamstra wrote:

>On June 17, 2001 at 01:09:50, Robert Hyatt wrote:
>
>>On June 16, 2001 at 22:59:06, Vincent Diepeveen wrote:
>>
>>>Hello,
>>>
>>>From Gian-Carlo i received tonight a cool version of crafty 18.10,
>>>namely a modified version of crafty. The modification was that it
>>>is using a small sense of Singular extensions, using a 'moreland'
>>>implementation.
>>>
>>
>>
>>Instead of modifying Crafty to simulate Deep Blue, why didn't you
>>modify Netscape?  Or anything else?  I don't see _any_  point in
>>taking a very fishy version of crafty and trying to conclude _anything_
>>about deep blue from it...
>>
>>Unless you are into counting chickens to forecast weather, or something
>>else...
>
>I don't agree here. It is fun. Maybe not extremely accurate, but it says
>*something* about the efficiency of their search, which I believe is horrible. I
>think using SE and not nullmove is *inefficient* as compared to nullmove. We
>don't need 100.0000% accurate data when it's obviously an order of magnitude
>more inefficient.

May be you are right, if the program is running on a PC. However if you can
reach a huge depth anyway because of hardware, may be you can afford to use
this, because it doesn't matter too much wasting one ply depth ?

I rather doubt that you can really learn something about Deep Blue this way.

Uli
>
>By the way at FICS a modified Crafty is running, using SE. It has a rating of
>2100.
>
>Best regards,
>Bas.



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