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Subject: Re: singular extension

Author: Pham Hong Nguyen

Date: 18:38:24 09/15/04

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On September 15, 2004 at 09:53:53, Stuart Cracraft wrote:

>Hi,
>
>Anyone know of some code somewhere that implements
>at least part (or all) of the originally described
>singular extension and/or any modifications to it that
>have proven worthwhile (if any)?
>
>I am curious what mediocre (or better) results people
>have gotten with singular extension. Originally Anantharaman
>hypothesized that it wouldn't be good at the slower
>speeds of most programs at the time and would require
>fast speeds to show effect.  Has this proven true or


According Hsu ("Behind Deep Blue" pp 55), the SE is first time to implemented
for ChipTest with speed 300,000 positions / second and the SE version has beaten
the old version 15:5. This speed is surely not high today.


>false in the intervening 15 years?
>
>Is singular extension now generally discredited as a
>non-reproducible singularity in and of itself?
>
>Thanks,
>
>Stuart



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