Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Standing waves in time usage in computer-computer play

Author: Robert Hyatt

Date: 07:12:39 08/02/05

Go up one level in this thread


On August 02, 2005 at 05:47:55, Kurt Utzinger wrote:

>On August 02, 2005 at 03:19:46, Andreas Stabel wrote:
>
>>When two computers play each other, very often one computer predicts the
>>other computer's move and use that move to ponder. When the other computer
>>makes its move, the first computer already has an answer ready and makes the
>>move with little time usage. Now the whole procedure may be repeated and this
>>may go on for several moves. The result is that one computer manage mainly to
>>think on its opponents time and I guess that this may influence the outcome
>>of the game.
>
>     But some moves later the situation may change, thus
>     leading to equal chances. BTW: I have never seen a program
>     predicting more than 4-5 moves of its opponent in a single row.
>     Kurt

There were a couple of games in Jakarta, 1996, where this happened, and at move
30-40 in the game, crafty had used zero time.  The number of correct predictions
was in the 20+ range for consecutive moves...




>>
>>My thought is that a programmer should prepare for this in his chess program.
>>First by finding ways to get out of this situation itself and secondly by
>>trying to force its opponent into this.
>
>      You can't (should not) avoid this by normal means I think
>      because no program will be prepared to make only second
>      best moves -:)
>      Kurt

that's the problem.  the 1996 streaks were unusual.  Most of the time, this
flip-flops as the game progresses...

>
>>
>>Anybody who knows if somebody did this or have any thoughts about it ?
>>Perhaps something similar also happens when humans play ?
>>
>>Best regards
>>Andreas



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.