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Subject: Re: One average mate position...

Author: Paul

Date: 17:07:05 01/23/01

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On January 23, 2001 at 19:35:20, leonid wrote:

>On January 23, 2001 at 17:27:20, Paul wrote:
>
>>On January 23, 2001 at 17:25:04, leonid wrote:
>>
>>>On January 23, 2001 at 17:10:39, leonid wrote:
>>>
>>>>On January 23, 2001 at 16:09:05, Paul wrote:
>>>>
>>>>>On January 23, 2001 at 15:48:55, leonid wrote:
>>>>>
>>>>>>Went to see exact time on 80386. Cyrix 33 Mhz. Time 0.22 sec.
>>>>>
>>>>>Hmmm ... not bad! And 'frute force'? Is much too deep probably.
>>>>>
>>>>>Paul
>>>>
>>>>You make me laugh making me remember that funny mistake.
>>>>
>>>>Brute force should take for sure much longer time. 12 moves is impressively deep
>>>>position.
>>>>
>>>>Leonid.
>>>
>>>Brute force. AMD 400 Mhz. 3 min. 27 sec.
>>>
>>>Leonid.
>>
>>Yes!!!!! I knew it :)
>>
>>Paul
>
>And how long it take on your program by brute force, if you are ready to try.
>Please indicate CPU and hash to give me some general idea.
>
>Leonid.

Ok, I've not let it run it completely through till the mate ... but it will
take approximately 25 minutes on my trusty old PII 400MHz. That's a pure
alpha beta search to 24 ply, no extensions, no nullmove, no mate-find
speeding tricks, no nothing :) With just nullmove switched on, that drops
to 4'30" until WM12 announcement. So these extensions are really worth a
whole lot! Coz with extensions on it only takes <3700 nodes, no time at all.

Paul



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