Author: Christophe Theron
Date: 20:59:18 12/14/99
Go up one level in this thread
On December 14, 1999 at 23:13:14, Dave Gomboc wrote:
>On December 14, 1999 at 13:38:00, Christophe Theron wrote:
>
>>Here is something I think I'm the only one to do, but I cannot be sure of
>>course. Maybe you are going to tell me that some guy was doing it in an old ACM
>>event... I'm using both PVS and alpha-beta in my search. The trick is to detect
>>where PVS will do better, and where simple alpha-beta is best.
>>
>>The improvement for this is not huge, but it's definitely better than PVS for
>>me. It brings probably 50% more of what PVS brought over simple alpha-beta.
>
>This has been done before. I am not sure if it was published, because I heard
>of it in a conversation.
I have found it myself, but I suspect others could have found it as well.
I'm not claiming paternity on it. :)
BTW I did not express myself clearly. I wanted to say that it brings half of
what PVS brings over simple alpha beta.
So it is a minor improvement, but when you have enough of these small
improvements, you can be twice as fast as a simple program.
Christophe
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