Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Shredder not fair judging auto232 player results

Author: Ed Schröder

Date: 21:44:16 03/26/01

Go up one level in this thread


On March 26, 2001 at 21:48:19, Vincent Diepeveen wrote:

>On March 26, 2001 at 17:25:08, Ed Schröder wrote:
>
>>On March 26, 2001 at 13:51:45, Bertil Eklund wrote:
>>
>>>On March 26, 2001 at 13:35:30, Vincent Diepeveen wrote:
>>>
>>>Hi!
>>>
>>>Very strange! I have played several thousand games (Checked)with Shredder4/5 and
>>>I have only seen this one time. I know that another tester has seen it two
>>>times, so it is extremely unusual. Shredder was wrong in both cases. Of course
>>>this must be some kind of bug. Both Cb-programs and Shreeder saves interrupted
>>>games with a very high/low score as a win/loss. The only reason is so they can
>>>update the learner and book.
>>>
>>>This also happens occasiotionally with Tiger in the CP-interface.I have seen
>>>incorrect results from Tiger a few times.
>>>
>>>Yes,you are right the Shredder-autoplayer mostly works excellent.
>>>
>>>Bertil
>>
>>
>>One plausible reason could be a too low set "time out" time setting. With
>>a fail-low programs often are taking lots of times and then go over the
>>time-out barrier and as a result the game is terminated.
>>
>>I have seen wrong result storage in ALL autoplayer platforms at times even
>>in my own interface which of course were corrected later. The best thing and
>>I always do it, is to quickly check each game. It is a pain but one should
>>defenitely do it as especially these games marked as "draw" are sometimes
>>just wrong.
>
>If that's correct, then still the judging is incorrect.
>
>Stefan says that the result is determined by the last search.
>If the last search is > 3.0 then it's 1.0, if it's < -3.0 then it's 0-1
>otherwise seen as a draw.
>
>So then the other posted game should have been judged as a draw as
>last score is 0.60. However it scored it as a win for Shredder...

I have seen this in ALL auto232 platforms, also in my own one. Checking the
games manually is the only way out. Or use the latest Rebel solution as seen
in Century 3, save all games as "unclear" and you will get complaints too.

Ed


>Vincent



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.