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Subject: Re: If there is a tie in 2 (or more) moves, how does it break the tie?

Author: Robert Hyatt

Date: 13:31:46 10/23/01

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On October 23, 2001 at 11:41:16, Jonathan Lee wrote:

>What does each software do to break a tie in the evaluation of 2 (or more)
>moves?

First one found is "it".  Alpha/beta cuts off branches with a score <= the
best score found so far.  the "=" means the second move will not replace the
first one searched when the scores are equal.



>1. Random variable generator
>2. One extra ply move
>3. Other variables (mobility, control of center, king safety, etc.)
>4. Depends on when the previous ply move was made
>Jonathan (151 message)



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