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Subject: Re: Updating engines during tournaments? (Odyssee Tournament)

Author: Robert Hyatt

Date: 17:41:17 03/05/01

Go up one level in this thread


On March 05, 2001 at 16:08:48, Andreas Schwartmann wrote:

>On March 04, 2001 at 11:51:18, Thorsten Czub wrote:
>
>>On March 04, 2001 at 10:36:15, Ulrich Tuerke wrote:
>>
>>>Die B.27 ist okay, unterscheidet sich kaum von der Paderborn-Version.
>>>Gruss, Uli
>>
>>
>>brilliant. i ask because i don't want that anybody feels disadvantaged.
>>if anybody thinks he has a better version he is allowed to upgrade
>>between the rounds.
>
>
>And that's completely rubbish. If you update engines between rounds, what use is
>the outcome of such a tournament? There is no consistency in this tourney! An
>updated engine is a DIFFERENT engine, so you might as well not call it a tourney
>but a set of engine matches. Hell, you might even start such a "tourney" with
>Fritz 1 and end up with Fritz 7 ... and what would this say about Fritz's
>playing strength? He started weak but ended up the winner nontheless? Har har.
>In my opinon, the engine version that started the tournament should be the very
>engine that ends it. No changing of horses in midstream or else the results get
>worthless!
>


That's inconsistent with _reality_. All you have to do is go to a _real_
computer chess tournament, like the annual WMCCC events, and just sit and
watch.  Changes are made between rounds all the time.  Changes to the code
is very common.  Changes to the book.  Changes to the engine parameters.

Why is this different from Thorsten allowing someone to fix a known bug?




>Imagine Linares ... Kasparov gets bored in midtourney and gets exchanges by
>Kramnik ... Shirov does not play to good, so he sends in his brother (does he
>have one?) ... but that would not be a tourney anymore. Just like your Odyssee
>with updated engines is no tourney in my opinion.


I'll bet Kasparov _does_ change between rounds.  He sees someone play a TN
he hasn't seen.  you can bet by the time he meets that person OTB he has
studied the TN and found a refutation.




>
>Just my $0.02.
>
>Any comments?
>
>Andreas
>
>
>
>www.andreas-schwartmann.de



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