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Subject: Re: One mate to solve.

Author: leonid

Date: 02:54:39 02/24/02

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On February 23, 2002 at 22:01:59, John Merlino wrote:

>On February 23, 2002 at 19:29:04, leonid wrote:
>
>>[D]5B2/pRNRQN2/p2qqrkr/K2p3p/P2q3n/P2bbnnq/PPQPNN2/5B2 w - -
>>
>>Please indicate your result.
>>
>>Thanks,
>>Leonid.
>
>An Alpha version of Chessmaster 9000 says Mate in 11:

And what is "Alpha version of Chessmaster"? Version for Alpha computers?

I tried to find response for this curious question but was not able to find
direct response through Alta Vista engin. If it is really version for some
distinct king of computers then how speedy is this computer compared with last
version of PC?

I don't know exact number of move that lead to solution in this position. I
expect that somebody else will find it for me. My computer is slow and my
program don't use hash. By selective mine solved position also 11 moves deep.

Cheers,
Leonid.


>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	7.54	14951		1.Ne5+ Kf5 2.Nxd4+ Kxe5 3.Qxd6+
>					Qxd6 4.Bxd6+ Rxd6 5.Nxd3+ Ke4 6.Bxh3
>					Bxd4 7.Rxd6 Rxd6
>0:00	1/3	10.53	41024		1.Nh8+ Kf5 2.Nxd4+ Ke5 3.Qxd6+
>					Qxd6 4.Bxd6+ Rxd6 5.Nxd3+ Ke4 6.Bxh3
>					Bxd4 7.Rxd6 Rxd6
>0:03	1/4	14.44	180890		1.Nh8+ Kf5 2.Nxd4+ Bxd4 3.Bxh3+
>					Ke5 4.Nxd3+ Ke4 5.Nc5+ Ke5 6.N7xe6
>0:18	2/5	Mate11	1306942		1.Nh8+ Kf5 2.Qxd3+ Qde4 3.Bxh3+
>					Ke5 4.Qxd6+ Qxd6 5.Bxd6+ Rxd6 6.Nf7+
>					Kf6 7.Nxe4+ Kg6 8.N4xg3+ Kg7 9.Nxd6+
>					Kf6 10.Nxd5+ Kg5 11.Nf7#
>0:31	2/6	Mate11	2352799		1.Nh8+ Kf5 2.Qxd3+ Qde4 3.Bxh3+
>					Ke5 4.Qxd6+ Qxd6 5.Bxd6+ Rxd6 6.Nf7+
>					Kf6 7.Nxe4+ Kg6 8.N4xg3+ Kg7 9.Nxd6+
>					Kf6 10.Nxd5+ Kg5 11.Nf7#
>1:33	3/7	Mate11	7353177		1.Nh8+ Kf5 2.Qxd3+ Qde4 3.Bxh3+
>					Ke5 4.Qxd6+ Qxd6 5.Bxd6+ Rxd6 6.Nf7+
>					Kf6 7.Nxe4+ Kg6 8.N4xg3+ Kg7 9.Nxd6+
>					Kf6 10.Nxd5+ Kg5 11.Nf7#
>5:06	3/8	Mate11	25369707	1.Nh8+ Kf5 2.Qxd3+ Qde4 3.Bxh3+
>					Ke5 4.Qxd6+ Qxd6 5.Bxd6+ Rxd6 6.Nf7+
>					Kf6 7.Nxe4+ Kg6 8.N4xg3+ Kg7 9.Nxd6+
>					Kf6 10.Nxd5+ Kg5 11.Nf7#
>
>jm



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