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Subject: Re: Unmasking the Secrets of Rybka and Fruit

Author: Vasik Rajlich

Date: 04:37:13 12/18/05

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On December 18, 2005 at 04:26:28, Ryan B. wrote:

>On December 17, 2005 at 07:28:22, Vasik Rajlich wrote:
>
>>On December 16, 2005 at 21:30:37, Walter Faxon wrote:
>>
>>>On December 16, 2005 at 03:42:44, Vasik Rajlich wrote:
>>>
>>>>On December 15, 2005 at 16:15:06, Andrew Wagner wrote:
>>>>
>>>>>On December 15, 2005 at 16:07:10, Stuart Cracraft wrote:
>>>>>
>>>>>>Recently two programs came upon the scene and astonished many
>>>>>>with their great results.
>>>>>>
>>>>>>Why do you think they do better, specifically?
>>>>>
>>>>>A very good question. If I were able to ask Vasik one question, which I doubt he
>>>>>would have time to answer at the moment, it would be whether he did anything
>>>>>radically different (different heuristic(s), algorithms, etc.), or if he just
>>>>>did what everyone else is doing, better than they did it.
>>>>
>>>>Andy,
>>>>
>>>>I will just end up teasing you by answering this. :)
>>>>
>>>>As far as I know, Rybka has a very original search and evaluation framework. A
>>>>lot of things that have been dismissed by "computer chess practice" can in fact
>>>>work.
>>>>
>>>>In addition, there is vast room for further improvement. If I could get a team
>>>>of let's say four smart people to work for four years full time (and this of
>>>>course won't happen), the engine could be improved by probably 500 rating
>>>>points.
>>>>
>>>>Vas
>>>
>>>
>>>PB* ?
>>>CNS ?
>>>Monkeys and darts ?
>>>
>>>-W:)ter
>>
>>Tried monkeys and darts but it seemed to give a small performance loss. Need
>>more data though ..
>>
>>:)
>>
>>Vas
>
>
>In my experience tuning the monkeys and darts can be somewhat painful. :)
>
>Ryan

It's important to use the right hardware.

Vas



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