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Subject: Re: Using null move to adjust alpha?

Author: Vasik Rajlich

Date: 04:07:41 09/20/04

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On September 19, 2004 at 23:58:28, Stuart Cracraft wrote:

>I use null move only to return the null move search
>value if >= beta, otherwise fall through to everything else
>
>But I hear that one can use the null to adjust alpha.
>
>When I try to adjust alpha this way:
>
>    nullmovestuff
>    alpha = MAX(alpha,nullmovescore);
>
>my results drop precipitously.
>
>Perhaps my method is wrong or adjusting alpha has fallen
>out of favor.
>
>Comments anyone?
>
>Stuart

It's a question of if you want null moves in your PVs. They will hurt you in
tactical positions.

Vas



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