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Subject: Re: Killer and history

Author: JW de Kort

Date: 00:23:59 06/24/98

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HI,

thanks every one for the replies to my question. But i do still have
a question on the killer moves. "What excectly is a killer", stated
differently; where doe i put the killer code in my alpha-beta (pvs) and
how do i decide that a move is a killer. From what i have read about this
i conluded that the killer on e.g ply 2 is the most recent move to couse
a beta cuttoff on the same ply in an earlier branch of the ree. Is this
correct, and if so does good killers get trown away very early by using
this approach?
    And furthermore; some one -i appologise for not rembering his name-
wrote that a killer move is placed first in the list of move generated. Is
the killer move not supposed to be tried before generating the move list
in order to be able to skip time consuming making of the move list?

Any help -again- highly appriciated

Jan Willem







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