Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Selective Search settings.

Author: John Merlino

Date: 17:59:05 05/28/01

Go up one level in this thread


On May 28, 2001 at 16:15:55, Steven J. Brann wrote:

>On May 28, 2001 at 13:27:47, John Merlino wrote:
>
>>On May 28, 2001 at 00:04:26, Graham Banks wrote:
>>
>>>I'm no expert on these. It would be interesting to get the programmers'
>>>perspectives, eg, is it better to set them at odd or even? And I wonder how much
>>>impact the difference say between 7 and 12 actually has on performance at the
>>>various time controls.
>>>Regards, Graham.
>>
>>These are VERY general rules of thumb:
>>
>>1) The faster the time control, the lower you want the SS value to be.
>>2) The faster the processor, the higher you can make the SS value.
>>
>>As an example, at the most recent CSVN tournament, Johan used SS=10 with his
>>Athlon 1.3GHz, and the time control was G/90. If he had been using his trusty
>>550MHz, he would have used SS=6.
>>
>>jm
>
>What about the SS setting in the recent SSDF match between CM8K and Junior?  Did
>the SS setting remain at the default (7) for this match?  What settings changes
>(if any) were made for this encounter?  If it remained at SS=7, why wasn't it
>extended for the longer time control since there appears to be a fairly dramatic
>increase in performance at long time controls?  Were there any (other) changes
>in settings for this match?
>
>Steve

Firstly, the default for the Chessmaster personality is SS=6, and it was not
changed for the SSDF matches. The only change I know of to the default
personality was changing the hash table size to 32MB (I think -- maybe it was
16MB).

jm




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.