Author: Christophe Theron
Date: 20:33:29 11/03/01
Go up one level in this thread
On November 03, 2001 at 09:58:42, Uri Blass wrote:
>On November 02, 2001 at 13:58:37, Christophe Theron wrote:
>
>>On November 02, 2001 at 00:57:36, Dr. Franklin wrote:
>>
>>>On November 01, 2001 at 15:27:59, Christophe Theron wrote:
>>>
>>>>On November 01, 2001 at 15:06:44, ERIQ wrote:
>>>>
>>>>>Will it be win xp, palm, pocketpc, mac x, linux, or all of the above ? and will
>>>>>It be duel ? my wish would be duel under all flavors of unix for stability
>>>>>ie.linux, mac x, freebsd etc.
>>>>
>>>>
>>>>
>>>>There will not be a "Gambit Tiger 15".
>>>>
>>>>From version 15 on, it's Chess Tiger. What you call "Gambit" is now the default
>>>>personality of Chess Tiger.
>>>>
>>>>A personality emulating the more quiet style of Chess Tiger 14 will be provided.
>>>>
>>>>But the product name will be "Chess Tiger 15".
>>>>
>>>>After so many years, my program now deserves the name "Tiger" because of its
>>>>agressiveness. :)
>>>>
>>>>For which platform will it be available first?
>>>>
>>>>Chess Tiger for Palm is likely to be the first product to feature the Tiger 15
>>>>engine.
>>>>
>>>>Actually as soon as the Tiger 15 engine has been tested and is reliable it will
>>>>be sent for release in all products (PC all licensees, Palm and PocketPC). But
>>>>as the Palm version has a shorter distribution lag (because it is sold directly
>>>>through the Internet), it is likely to be available just a few days after the
>>>>Tiger 15 engine is ready.
>>>>
>>>>When? Don't ask. :)
>>>>
>>>>
>>>>
>>>> Christophe
>>>
>>>
>>>
>>> Hello Chris
>>>
>>>
>>> I am not doubting your expertise, but how exactly would a Programmer actually
>>>know if his program has improved? Actually I can see no difference between
>>>fritz6 or Fritz7 since I am a relatively weak player, not Master strength. When
>>>you Develope your program i am wondering if You consult Master level players?
>>
>>
>>
>>Sometimes I get an advice from a strong player, but human players cannot tell me
>>if my program has become stronger or not.
>>
>>If you ask a human player you'll just get a subjective answer because here we
>>are talking of 30-50 elo points improvement of an already very strong opponent.
>>That's not something that can be detected by playing a few games against it.
>>
>>Part of the work of chess programming is developping a way of making sure that a
>>change in the program is really an improvement. When you see a strong chess
>>program, you can be sure that its programmer has found a good way of testing the
>>improvements.
>>
>>Chess programmers who are not willing to invest a large part of their time
>>developping this testing method end up being unable to improve their programs.
>>Because when a program is already very strong, any change has equal chances to
>>make it slightly stronger or slightly weaker. There is no way to tell if a
>>change will work or not before you test it very extensively.
>
>I am sure that it is truth for part of the changes but not for every change.
>
>If you change a parameter in the evaluation or add knowledge in the evaluation
>or change the search rules then I agree but it is also possible that you
>discover a way to make the program 1% faster and in this case you do not need a
>lot of testing and the only thing that you need to test is that you have no new
>bugs.
That's right, but testing that you have not introduced any bug is approximately
as expensive as testing if a change is an improvement.
Christophe
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