Computer Chess Club Archives




Subject: Re: Confusion on Null Move

Author: J. Wesley Cleveland

Date: 11:54:43 02/10/99

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On February 09, 1999 at 22:59:52, Robert Hyatt wrote:

>one of the big 'time savers' is what happens _below_ a sacrifice for nothing.
>Qxp pxq.  And now no matter what two moves white plays in a row, black's
>position is still 'good' and everything below such moves gets trimmed away
>IE with a full-width search, there are _many_ captures that are losers.  Null
>move reduces the depth below these moves and make dismissing them quick and

This makes me wonder whether null move is even worthwhile if there is not a
large material difference. I would think that with even material null move would
be much less likely to produce a cutoff and much more likely to give a false

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