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Subject: Re: Crafty problem :-(

Author: Pete Galati

Date: 16:49:08 02/26/01

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On February 26, 2001 at 16:43:21, leonid wrote:

>On February 26, 2001 at 16:11:53, Pete Galati wrote:
>
>>On February 25, 2001 at 17:04:35, leonid wrote:
>>
>>>On February 24, 2001 at 18:27:41, Pete Galati wrote:
>>>[........]
>>>>I keep meaning to ask, is your program available to download anywhere?
>>>>
>>>>Pete
>>>
>>>Actually, I don't remember exact address of my program but it is at the Web Page
>>>of my best friend. Address is:
>>>
>>>http://www.theparticle.com
>>>
>>>Mate solver is the part of unfinished chess program but solver is done
>>>completely. If you will use it then I must to say that for mate solver one
>>>feature is not indicated in description. Just recently found this. This feature
>>>is change of number of nodes that program will see in each ply during the
>>>selective search. It is: CTRL + P(p).
>>>
>>>If you will find that something is not clear, just say me. When you will use it,
>>>you will find that all those "crazy" positions that I depose here you can create
>>>yourself with bewildering easiness.
>>>
>>>Leonid.
>>
>>Thanks Leonid, I had lost track of this thread.  I just downloaded the program
>>and the html docs today, hope to have time to try it today.  A Dos program!  I
>>like them.
>>
>>Pete
>
>Will give you some, maybe not necessary, basic explantion of how mate solver
>work.
>
>From initial position push: Alt + |\   this is to make program use only its mate
>solver.
>                            Alt + I(i) to make mate solver search for mate only
>by one way. Usually program use two methods before giving up.
>
>For changing way of solving the mate, push Ctrl + D(d)    Between 0 and 3 it is
>selective search. 4 is brute force search.
>
>If you want to change number of depth search push F7. Program can see as far as
>13 moves deep.
>
>If you want to clean chess board push Ctrl + Z(z).
>
>If you want depose new piece on board push Shift + /?
>
>You can try already two positions with this solver. One is 7 mate move. Position
>from witch we start talking. Put selective search at 0 and depth to 7. Solution
>should be short. It was, on my AMD 400, 0.06 sec.
>
>Today position you can solve, for sure, at 11 moves (I don't know much shorter
>solution). Maybe Heiner will come with one. His solver, when search is  done by
>brute force and with hash, make all the difference. I saw here few excellent
>results. His hash goes well beyond 100M.
>
>On today position you must put maximum number of moves seen on each ply [Ctrl +
>P(p)] to 6. Put selective search at zero. On my computer it took 2 seconds to
>give a response.
>
>Leonid.

Thanks, I copied your instructions into a txt file.

I ran today's position through Amy, but I hadn't used that program for a long
time, and it had some problem, and I suspect that I didn't have Amy set up
properly.

Pete



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