Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: To Ed Schröder about the

Author: Komputer Korner

Date: 12:07:50 12/02/98

Go up one level in this thread


On December 02, 1998 at 12:38:23, Christophe Theron wrote:

>On December 02, 1998 at 03:08:27, Kim Hvarre wrote:
>
>>On December 02, 1998 at 01:45:10, Christophe Theron wrote:
>>
>>>
>>>Maybe Ed will answer too, but I can give you some info.
>>>
>>>As Ed and I have suspected right from the begining of the project, Rebel and
>>>Tiger are very very different programs.
>>>
>>>It appears that we use different algorithms to achieve a relatively close level
>>>of play.
>>>
>>>Some of these algorithms are incompatible with each other by nature. Maybe we
>>>will be able to get something by exchanging them, but it is not sure.
>>>
>>>But there are other algorithms that are compatible in both programs. And this is
>>>very interesting. Ed has found ideas that I have not found, and the opposite is
>>>true also. In the case Ed describes, one of Tiger's selection algorithms that
>>>did not exist in Rebel has been successfully implemented in Rebel.
>>>
>>>This algorithm is not really a programmer's trick. It is an idea taking
>>>advantage of the nature of the chess game. I cannot say more, but I would rather
>>>describe this as being knowledge, because it would certainly not work with other
>>>games.
>>>
>>>And what is more exciting is that Ed -probably angry that he did not find the
>>>idea himself- decided to improve it further. :)
>>>
>>>And he succeeded! This time I can learn from the changes he has done to my own
>>>algorithm and improve Tiger in return!
>>>
>>>I expect this to happen again several times, with different things. We have just
>>>begun exchanging ideas, and there is already a concrete result!
>>>
>>>
>>>    Christophe
>>
>>Hi Christophe,
>>
>>Thanks for Your answer, which is very interessting. As I understand it, Your
>>"joint-venture" actual will improve without "selling out", i.e. in the mentioned
>>case You get a faster seacher without degrading the "brightness" of the
>>application!
>>Sounds that we all have a lot to look forward to!
>>
>>BTW (it must have been quite an experience for Ed - as a rather "loner" to start
>>exchanging idears... years ago I speculated about what would happen if Lang and
>>him went together and now we all see an equivalent - for sure very, very
>>promissing!)
>>
>>All the best,
>>
>>kim
>
>Thanks!
>
>
>    Christophe

Christophe, what do you call this new search algorithm?

--
Komputer Korner



This page took 0 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.