Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Shredder in the SSDF list

Author: Tony Hedlund

Date: 10:59:26 04/15/00

Go up one level in this thread


On April 14, 2000 at 12:54:59, Stefan Meyer-Kahlen wrote:

>On April 14, 2000 at 12:46:43, Bertil Eklund wrote:
>
>>On April 14, 2000 at 10:57:27, Stefan Meyer-Kahlen wrote:
>>
>>>Yes, I have received about 75 games of Shredder but haven't checked them yet.
>>>Some programs really have improved during the last months so I am busy working
>>>on Shredder. This is my main target right now, if I have some time left I'll
>>>check the games but I don't expect any problems.
>>>
>>>I give you a recent example of some autoplayer problems. This is part of an
>>>email I wrote today. I didn't want to publish it first but it might help here.
>>>
>>>"You know about the autoplayer and all of its weaknesses, just this morning I
>>>had a strange behaviour again. I was playing vs. X when X send the save game
>>>command to Shredder 3 times in a row. The result was that Shredder saved the
>>>last game 3 times and adjusted the display of the match result according to
>>>that. Well, Shredder won, so he got 3 points instead of 1 for the game :-) If
>>>you don't look very carefully at all the games played with the autoplayer you
>>>can get all sorts of wrong results."
>>
>>Hi!
>>
>>As I have told you and mr Weiner several times, we partly follows most games and
>>check the results of every game. In example Tony Hedlund is a very good player
>>and played in the last Swedish correspondence Championship, Bo Aurell another
>>tester played in the Swedish Championship in the sixties and I think they can
>>see if there are any anomalies. I don't know what persons that test your
>>programs, are they only reporting the scorenumbers? I have now played 122
>>tournament games with S4 with only two stops, one game where Hiarcs stopped
>>within the opening book and one game where S4 played only one move (1.d4) and
>>saved the game as a win for itself, Nimzo saved it as an unexpected end.
>>
>>So far I can't see what the problem is. S4 has won against Hiarcs and Nimzo and
>>looks to crush Tiger (my games). Only one bad loss against F6 a program that
>>many people believe is the best for the moment.
>>
>>If we had been allowed to test S4 when it was new it had probably been number
>>one for some time. I believe S4 belongs in the group of Junior6 and Tiger that
>>fights for the second place. It looks like Fritz6a have made a big step forward
>>and I believe it is the best program for the moment.
>>
>>I also think that we have been fair against S4 allowing it to use the Turbo-cds,
>>that seems to be much more efficient than the original Thomson-CDs.
>>
>>Bertil
>>
>>>End of quote.
>>>I have just changed the name of the program involved as I don't want to blame
>>>anybody.
>>>
>>>Stefan
>
>I didn't complain that you have treated Shredder unfair and also don't think so.
>For me there is no problem. Also I didn't say storys like the one above happen
>at the ssdf. I just wanted to point out that there is so much that can go wrong
>using the autoplayer.
>
>Stefan

I must disagree on this. I've played thousands of games with the autoplayer, and
I would say that it's very, very little that goes wrong with it.

Tony



This page took 0.01 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.