Author: Arnold Gove
Date: 00:44:32 02/13/06
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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
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