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Subject: Re: Speed and horizont effect

Author: Robert Hyatt

Date: 11:05:34 01/24/00

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On January 24, 2000 at 12:33:26, Daniel Clausen wrote:

>Hi
>
>On January 24, 2000 at 09:10:12, Robert Hyatt wrote:
>
>[snip]
>
>>>>>>>
>>>>>>>Take the following classic type of position for example:
>>>>>>>
>>>>>>[D]5k2/1p5r/3pp3/p2p4/1b1P1P2/qP1Q1NP1/P1P3N1/1K6 w - -
>>>>>>>
>>you probably do checks in the q-search.  I don't.  That makes a big difference
>>here.  Cray Blitz drops QxR after 4 plies, 2 milliseconds.  It sees draw at
>>that point.
>
>Gee Bob, you really know how to depress people sometimes.. 2 milliseconds.. Now
>I think I should throw my engine out of the window!! :-)
>
>Kind regards,
> -sargon


Why.. it took crafty 10 plies to do the same thing.  Annoying, but not overly
depressing.  :)

Main thing is that CB uses singular extensions, and does checks and
out-of-checks in the q-search.  Makes a big difference in finding deep
drawing/losing lines after a lot of checks...



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