Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: The law of diminishing returns

Author: Rolf Tueschen

Date: 13:19:43 07/12/02

Go up one level in this thread


On July 12, 2002 at 16:12:38, Anson T J wrote:

>Simple :)
>
>If an engine *never* changes it mind with more time above a certain time limit
>(A), it *can't* play any stronger than how it would have played had the search
>process been interrupted at time (A).
>
>For an engine to be stronger, it *must* show some difference in move selection
>(especially if the engine lost this particular game) otherwise, it would play
>the same as before and lose in the same manner.
>
>It is indeed true that the engine's new selection could be worse and could make
>the engine play weaker. But, what remains true is that a difference in move
>selection must be presence for there to be any difference in strength.
>
>Ed isn't saying that a change of best move found makes the engine (on faster
>hardware) stronger, but the lack of move change shows the engine isn't improving
>(or playing weaker).

Very good description. And you are talking about a formerly lost game. Yes, I
see. Thanks very much. Although. What if the game already changes long before
the crucial situation leading to the loss...? ;)

Rolf Tueschen



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.