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Subject: Re: Branching factor again ;-)

Author: Steffen Basting

Date: 10:32:23 08/26/02

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On August 26, 2002 at 13:29:02, Stan Arts wrote:

>Hello Steffen,
>
>But do you use null-move pruning or similair technique in your program yet?
>If not, the searchresults you are getting would make sence, and seem perfectly
>normal to me. (actually very good in that case!) And I think the only way to
>really start reducing branching factor in a program with alpha-beta and a Q-
>search would be to implement an idea such as null-move pruning.
>
>Goodluck!
>
>Stan

Yes, i use nullmove prunning with R=2 and principal variation search. I think 7
plies in blitz are ok if I don't use hashtables, but i don't reach more than 8
plies in tournament time control, which seems rather "weak" to me...

Steffen

• Re: Branching factor again ;-) Dann Corbit 10:44:55 08/26/02
  • Re: Branching factor again ;-) Steffen Basting 11:02:54 08/26/02
    • Re: Branching factor again ;-) Dann Corbit 12:11:03 08/26/02
• Questions William H Rogers 10:44:08 08/26/02
  • Re: Questions Steffen Basting 10:59:28 08/26/02
    • Re: Questions Uri Blass 11:33:37 08/26/02

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