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Subject: Re: One mate to solve.

Author: Paul

Date: 04:34:16 09/01/02

Go up one level in this thread


On August 31, 2002 at 13:26:16, leonid wrote:

>On August 31, 2002 at 08:15:19, Paul wrote:
>
>>On August 31, 2002 at 06:41:28, leonid wrote:
>>
>>>Hi,
>>>
>>>This position is very easy to solve. At least for black side where mate have
>>>accessible parameters and mate is 10 moves deep.
>>>
>>>[D]3Nqbbk/3NQqRq/3QrRp1/3Pqp2/3Qqn2/2p1Pn2/1r2Pp2/QNKBBQ2 w - -
>>>
>>>Please indicate Your result.
>>>
>>>Thanks,
>>>Leonid.
>>
>>Hi Leonid,
>
>Hi, Paul!
>
>>My Pretz on a P3/1000 says a mate in 12 in 9 secs for White:
>
>Excellent time! Probably You speeded even more Your program.
>
>Mine for whites found also mate in 12. There I don't know shortest mate, since
>for white side my branching was not very glorious.

I tried Chest after I posted, and after 8219 seconds in the background, on low
priority, it reported 'no mate in 11' ... so 12 it is ...

>>00:09 WM12 09 Nxf7+ Qxf7 Rxh7+ Kxh7 Rxf7+ Bxf7 Qxf7+ Kh6 Qh1+ Nh5 Qdxf8+ Kg5
>>Qd8+ Rf6 Qdxf6+ Nxf6 Qxf6+ Qxf6 Qxf6+ Kg4 Qg2+ Kh5 Qgxg6#
>>
>>For Black it's a little shorter and faster:
>
>It could be that our programs were indentical, or close for both colors. Mine,
>on my Celeron 600Mhz and no hash, for white took 13 seconds. For black side it
>took 0.38 sec.

Well, your black time is 3 times as fast as mine :)

>Did You worked with Your program since I spoke with You last time, or You was
>"out of town" like me?

I sent you an email ...

>Cheers,
>Leonid.
>
>>00:01 BM10 08 Rxb1+ Qxb1 Qxe3+ Bd2 cxd2+ Kc2 Ne1+ Qxe1 fxe1=N+ Kb2 Q5xd4+ Ka2
>>Qa7+ Ba4 Qxa4+ Qa3 Qaxa3+ Qxa3 Qxa3#

Groetjes,
Paul



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