Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Ply Depth in relation to Elo again...

Author: Robert Hyatt

Date: 11:31:18 05/23/00

Go up one level in this thread


On May 23, 2000 at 12:20:55, Rafael Andrist wrote:

>On May 23, 2000 at 09:05:15, Robert Hyatt wrote:
>
>>
>>First, I don't think "90" is a "magic number".  Bruce found that Ferret
>>searching very shallowly could hold a rating > 2200 on ICC.  At the time,
>>his program was rated over 2800 in a real rating there.  Which means each
>>ply was worth much less than 90.    So "N" points per ply, linearly?  I think
>>it is definitely possible.  And yes, it is possible that some programs begin
>>to 'flatten out' while others don't.  I don't see anything that suggests that
>>can't happen either.
>
>I think also that it's possible that the ELO is linear to the ply. But is the
>ELO linear to the playing strenght? I mean that it would be very hard for a 1400
>ELO player to beat a 1500 ELO player but not for one with 2500 ELO to beat one
>with 2600 ELO.


Good question.  Elo really doesn't say a thing about "strength".  It only
predicts the outcome between two players with known (established) Elo ratings.



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.