Author: Christophe Theron
Date: 17:41:45 10/07/03
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On October 07, 2003 at 15:59:15, Steve Maughan wrote:
>Christophe,
>
>>Yes, Chess Tiger has been heavily rewritten and this was the first semi-
>>official participation of the new version in a tournament.
>
>WOW this is quite an undertaking. May I ask the reason for the rewrite? New
>data structure? messy code?
I needed more flexibility in order to be able to add knowledge without slowing
the program down. In other words in the new version the NPS and the amount of
knowledge have nothing to do with each other. The new version will be at the
same time faster and have a lot more knowledge than previous versions.
>Does the new version already contain all of the
>knowledge of CT 15? i.e. is it twice the speed with the same knoweldge or is
>the added speed due to an incomplete knowledge pool?
The current version retains all the knowledge of CT15. But this knowledge is now
significantly out of sync with the new concepts, so it needs some work, and I
plan to improve it drastically - that's what the rewrite is all about.
Anyway, from now on it does not make any sense anymore to look at the NPS and
conclude anything about the amount of knowledge in the program.
Christophe
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