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Subject: Re: 44 seconds.... (was: Another tough one ...)

Author: James T. Walker

Date: 18:18:21 12/21/00

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On December 21, 2000 at 17:06:55, Jeroen van Dorp wrote:

>On December 21, 2000 at 16:03:09, Uri Blass wrote:
>
>>The question is if it can win with Rxh2.
>
>That's a valid question.
>Remeber however it wasn't the question "will black win with this move" but "will
>black *find* the move", and it did;
>If Rxh2 loses badly it can also be an indication of extremely bad calculating.
>
>If. If.
>
>>If it find Rxh2 but is losing with this move against other programs then I do
>>not consider it as a solution.
>
>That remark is bungling in the air a bit.
>
>What would be the reason for that? That statement is more speculative than the
>one made in the original post. What is relevance of the remark? That goes for
>anything: if the shoepolish machine starts polishing your shoes, but stops in
>between, your shoes won't be polished and I won't consider it a shoe polish
>machine.
>But *why* should the shoe polish machine doesn't do it's work properly? Is there
>any indication the shoe polish machine will stop, without seeing it working -and
>failing- a lot of cycles?
>
>Based on the way a chess engine works -including CS Tal II- the chances any
>chess program finding a winning move and winning with it are bigger than the
>chances it finds a (*any*) winning move and still loses.
>A winning move is in most cases the beginning of a tactical sequence and no
>doubt an engine will calculate that right with greater chance than failing along
>the way;
>
>Anyhow, regardless of your own ideas about it, my message simply stated CS Tal
>found the move asked for in 44 seconds, what no other engine did so far.
>
>Jeroen ;-}

CSTal-2 has been known to lose a game or two occasionally in spite of it's
brilliant sacrificial style. :-)
Jim



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