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Article #4530

CHESS

#4530
From: Chuck McClelland
Date: Sat, 25 Mar 1995 04:02
24 lines
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In article <9503210410.AA24368@aba.nsrc.nus.sg>, kongsian@nsrc.nus.SG (Kong Sian) says:
>
>>
>> BTW, yesterday I played around with the part of search.c where the
>> history and killr are saved.  My preliminary conclusion is if we save
>> them only when (best > beta) it saves 30% less redundant moves and the
>> program plays better.  Of course I removed killr3 and Swag3.  I can't
>> play with it again for the next 3 weeks so you guys might want to test
>> that idea.
>>
>>                          Johanes Suhardjo (johanes@farida.cc.nd.edu)
>
>I've played around with this, i.e. not keeping the move as a
>killer unless best > beta.  On a few positions, the newer approach
>tends to show about 5-10% improvement.  This looks like a good thing,
>so it will go into pl75.
>
>Regards.
>
>--
>Chua Kong Sian   <kongsian@nsrc.nus.sg>
>National Supercomputing Research Centre
>Singapore
PEOPLE FROM SINGAPORE SHOULD BE FLOGGED!!!
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References: <9503161507.AA24739@rice-chex> <9503210410.AA24368@aba.nsrc.nus.sg>

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Newsgroups: gnu.chess
Subject: CHESS
Message-ID: <1995Mar24.220217.136@news.brandonu.ca>
From: $mcclellandd@brandonu.ca (Chuck McClelland)
Date: 24 Mar 95 22:02:16 CST
References: <9503161507.AA24739@rice-chex> <9503210410.AA24368@aba.nsrc.nus.sg>
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