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Subject: Re: Alpha-Beta explanation on Heinz's book? : fail-soft and fail-hard

Author: Dragon

Date: 03:03:54 10/09/00

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>>2. I didn't understand the fail-hard concept? How would a fail-hard
>>implementation of AB work compared to fail-soft?
>
>Instead of always returning the best score so far, fail-hard
>searches always return the value of alpha in case of a fail-low
>and the value of beta in case of a fail-high (see bottom of
>page 15 in my book).

Could you tell us, what is the difference and the signification of the
fail-soft and fail_hard ?

Bruno Lucas



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