Author: Albert Silver
Date: 06:22:43 02/13/06
Go up one level in this thread
On February 13, 2006 at 03:44:32, Arnold Gove wrote:
>On February 13, 2006 at 03:02:50, Vasik Rajlich wrote:
>
>>On February 12, 2006 at 22:58:57, Timothy J. Frohlick wrote:
>>
>>>It appears that Vasik reworked or deleted some code in Rybka 1.01 13D. It is
>>>strange how a slight change can have a 50 point effect in chess strength. I
>>>suffer from gout and can assure you that a sore big toe is only 0.1% of the body
>>>mass but can make you crawl rather than run.
>>>
>>>TJ
>>>
>>>PS Now to play Rybka 13B vs Rybka 13D. I have no doubt that on my slow 1500 MHz
>>>AMD with 512 MB RAM in 32bit Win2000 Pro that 13D will be demolished.
>>
>>Tim,
>>
>>it is almost certainly statistical noise. Various Rybka Beta 13c and 13d
>>candidates played >5000 3-minute games agains Beta 13b. The final one played
>>>1000 games.
>>
>>Vas
>
>That, Vas, is the problem with a creeping rollout - as with frequent updates
>through a subscription service. There will be insufficient (certainly reduced)
>periods for testing between versions, placing supposed incremental improvements
>in reasonable doubt.
>
>AG
Bear in mind, Vas tests his versions quite a lot before releasing them, though
other may confirm or debunk his results of course.
Albert
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