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Subject: Re: And here's another problem for you (Knightshead4mate Revisited)!

Author: leonid

Date: 17:19:09 01/21/01

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On January 21, 2001 at 19:38:53, leonid wrote:

>On January 21, 2001 at 18:02:44, Paul wrote:
>
>>On January 21, 2001 at 17:25:53, leonid wrote:
>>
>>>If you program found mate in 12 moves ahead, in this situation, it is rock
>>>solid!
>>
>>Unfortunately it isn't :) The movegenerator & search parts are ok I think.
>>However, I have problems with mates from EndGameTables ... but I will find
>>the bug soon I hope!
>
>
>If this is not the author secret, please say what it is "EndGameTables"?
>
>
>>>This was surprise for me! Only when Heiner found that there is no mate in 10
>>>that I understood that this position is very deep. My program will never see all
>>>those 12 moves completely. Too much time. I create all my positions by using my
>>>selective search. I try to find what is the minimum number of moves that lead to
>>>the mate but not beyond 6. For this I should have, at least, better computer and
>>>hash in my program.
>>
>>It was pretty deep! And the solution is pretty also! I have a nice GUI ...
>>hmmm ... Graphical User Interface :), so when my program finds the first
>>move it immediately plays out the entire mate from hash, and with all those
>>Queens sliding across the board ... it was a pretty sight!!
>>
>>Here's a problem for you in return my friend, it's not mine however:
>>
>>[D]5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - - 0 1
>>
>>The solution is also very funny, but be warned! it's verrrry deep :)
>>Mine solves this instantly ;)

If this is the positions that is 30 moves deep, just read in other message, I
give up and you are winner! Mine don't search more that 13 moves.

Leonid.

>>Groetjes,
>>Paul
>
>Thanks! Will try your.
>
>Leonid.



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