Author: Christophe Theron
Date: 01:26:26 09/07/98
Go up one level in this thread
On September 06, 1998 at 14:13:47, Thorsten Czub wrote:
>On September 06, 1998 at 06:58:33, Christophe Theron wrote:
>
>>The marvelous thing about computer chess is that anybody can say anything about
>>any program. And it is hard to say if it is true or not, because verifying a
>>proposition can take more than a week or a month of test games.
>>
>>In the case of Chess Tiger, what I can say is that version 11.5 would beat 11.2
>>at any time controls, given a sufficient amount of games. This has been tested
>>before version 11.5 was shipped to testers. This kind of test is always done
>>before I send a new version. This is the least I can do, so testers don't loose
>>their time with an obviously bad version.
>>
>>
>> Christophe
>
>The problem is that you proofed that 11.5 kills 11.2. But that this does not
>tell us or shows us that 11.5 is really stronger.
>
>I agree completely that only a month or more later, you can know about.
>You can find out by doing games against all kinds of opponents, or doing
>test-suites , or doing all things together.
>But using x vs. x+1 is no good method used alone IMO.
I don't use this method alone. But this thread was only about Tiger 11.2 against
11.5.
Christophe
>Maybe we will learn one day more about evolution-algorithms and than understand
>more about this. Different versions of a program are a kind of evolution.
>Sometimes it goes up. sometimes down. Difficult to say if x related to x+1 is a
>progress. difficult. I don't think that you can use the results played out
>between the 2 very good/seriously. These results do not reflect IMO the
>strength. they only show you that one version is different than the other and
>that the different gives the version xyz an advantage over the other version.
>
>But is this advantage also a general strength progress ?! I doubt this.
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