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Subject: Re: What is your margin between eval and material?

Author: Vincent Diepeveen

Date: 08:43:51 10/29/02

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On October 28, 2002 at 20:28:43, Pham Hong Nguyen wrote:

>Hi all,
>
>I read that someone suggests the margin between the evaluations and materials
>should not excess 1.5 of pawn. However, my margin is 1.5 of ... queen and I
>think that causes many problems for my program: difficult to apply razoring,
>lazy eval, cut off in qsearch...
>
>So my questions here are:
>- What is the margin of Crafty?
>- Could you share some experiences about your margin and its
>advances/disadvances?

Only if i do a quick evaluation with rude factors the margin is
about +- 3 pawns in 99% of the positions. Without it it is way way off.

Those 1% of the positions however find tricks and tactics for me
in testsets even.

So i can't do without my full eval :)

>Many thanks for any answers.
>+PHN



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