Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: the strange thing that striked the KC commentator ....about WCCC 2000

Author: Tony Werten

Date: 05:30:33 08/30/00

Go up one level in this thread


On August 30, 2000 at 04:06:57, Uri Blass wrote:

>On August 30, 2000 at 03:44:07, Tony Werten wrote:
>
>>On August 29, 2000 at 14:44:57, Dann Corbit wrote:
>>
>>>On August 29, 2000 at 13:13:10, Masciulli Gianluigi wrote:
>>>
>>>>"...is that during the tournament the programs run on processors of different
>>>>speeds. Surely it would be a fairer test of the program if the processor speeds
>>>>were equal for all? The programmers seem to think that speed is not all that
>>>>crucial (though they typically say it is ‘helpful’), but I suspect it may be a
>>>>little more important than they care to admit."
>>>>
>>>>by J. Levvit at Kasparov chess site.
>>>>
>>>>I wonder why he can't understand that some programs are build with different
>>>>platform in mind and that upgrading from 500 to 750mh cpu is "helpfull" but not
>>>>"crucial".
>>>
>>>Every little bit helps of course.  A faster CPU, faster ram, larger hash, bigger
>>>tablebase, better opening book, etc.
>>>
>>>The fundamental algorithms are most important.  The quality of the opening book
>>>is second.  CPU speed and memory are probably next.  Tablebase files are last in
>>>importance.
>>>
>>>Doubling the CPU speed would not be nearly so important as a superior algorithm
>>>or bug free opening book.
>>
>>A very important thing you forgot is the quality of the evaluation. Specially
>>passed pawns seem to be important. In the game against SOS, my program
>>sacrificed a rook to create 5 (!) passed pawns. One on the 7th, one on the 6th
>>and one on the 5th row. 3 out of 5 where on adjacent lines, unfortunately 5 out
>>of 5 were useless.
>>
>>Tony
>
>I think that your program overevaluated the passed pawns.
>I believe that reducing the value of the pawns can give your program better
>results.
>
>I believe that over evaluating pawns is a common mistake of beginners.
>I know that one of the changes in Junior6 relative to Junior5 was reducing the
>value of pawns.
>
>Big value of pawns can help your program to score better in test positions
>because in these positions there are often sacrifice of a piece for pawns but it
>can be also counter productive in games.

Yes, I think so to. I'll see how it does at the Dutch Open.

Tony

>
>Uri



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.