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Subject: Re: rybka vs hydra

Author: Ryan B.

Date: 11:25:08 02/01/06

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On February 01, 2006 at 08:50:30, James T. Walker wrote:

>On February 01, 2006 at 04:42:56, Ryan B. wrote:
>
>>On February 01, 2006 at 02:17:40, Uri Blass wrote:
>>
>>>On February 01, 2006 at 01:50:23, Ryan B. wrote:
>>>
>>>>On January 31, 2006 at 23:07:08, walt irvin wrote:
>>>>
>>>>>in a rybka vs hydra match ,,,with rybka using a athlon 3800 12 game match 40
>>>>>moves in 2 hours what is the predicted score ???????????
>>>>>
>>>>>mine is hydra 9/3
>>>>>
>>>>>walter
>>>>
>>>>I think your prediction is very good.  What I think many people fail to realize
>>>>about Hydra is that it is a dedicated chess machine so it does not suffer the
>>>>same overheads that PC chess engines have.  Also Software optimized for just one
>>>>exact platform can be very fast compared to traditional PC programs.
>>>>
>>>>Ryan
>>>
>>>I do not agree.
>>>
>>>By that logic Crafty with 8 processors can also beat Rybka with one processor
>>>but it is probably not the case.
>>>
>>>The fact that hardware that is dedicated for one task has a potential advantage
>>>does not prove that hydra is better.
>>>
>>>The facts are that Rybka is leading the CEGT list even if you consider only 32
>>>bits and not one of the better hardware participants.
>>>
>>>This is from the CEGT rating list.
>>>
>>>2 Rybka 1.01 Beta 13-13b 32-bit 2886 45 45 189 74.1 % 2704 28.6 %
>>>6 Deep Shredder 9.12 x64 2CPU 2822 35 34 283 64.7 % 2717 31.1 %
>>>
>>>14 Shredder 9 2754 8 8 4776 63.3 % 2660 31.8 %
>>>34 Crafty Cito 1.4.2 64-bit 2CPU 2695 59 58 106 63.7 % 2598 27.4 %
>>>
>>>As you can see even the combination of 64 bits and 2 cpu does not help when you
>>>have inferior program.
>>>
>>>If 64 bits+2 cpu gives does the program 3 times faster then you have:
>>>
>>>Crafty*3<Shredder
>>>Shredder*3<Rybka and in other words
>>>
>>>Crafty*9<Rybka.
>>>
>>>Uri
>>
>>I have no idea how anything I said had anything to do with crafty.  Because we
>>do have a Hydra sitting around to test out in our homes we go by what e believe.
>> Based on what I have read here including posts by Chrilly and results of games
>>Hydra has played in the past I believe Hydra to be much stronger than Rybka or
>>any other known chess entity at this time.  I hope to see Zappa take that crown
>>in the future though.
>>
>>Ryan
>
>You have a Hydra sitting around in your home?  You believe what Chrilly says
>about his own program?  Chrilly is just patting himself on the back.  I believe
>nothing he says.  Hydra is nothing but Nimzo (poor program) with fast hardware.
>(my opinion)  Only thing that counts is results.
>Jim



Typo, should be do not.  Sorry.



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