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Subject: Re: A test position for programs(best move -easy, target-to see mate)

Author: blass uri

Date: 04:12:12 03/08/99

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On March 07, 1999 at 22:54:10, Hans Havermann wrote:

>On March 06, 1999 at 14:59:14, blass uri wrote:
>
>>3r1r1k/2n1Qp1p/1q2pNpP/p3P3/1ppp4/3P2P1/PP3Pb1/R3R1K1 w - - 0 1
>
>>Ne8 is mate in 10.
>
>>It is easy for programs to find Ne8 but it is hard to find the mate.
>
>No kidding... MacChess 5.0.1 doesn't see a mate (in 12) until 16-ply (ten hours,
>albeit I was running a second evaluation in the background):
>
> 1. Ne8 Kg8
> 2. Nxc7 Rfe8
> 3. Nxe8 Ra8
> 4. Nf6+ Kh8
> 5. Qxf7 Qa7
> 6. Nd7 Qxd7
> 7. Qxd7 Rg8
> 8. Kxg2

8.Qf7 is a better move(mate in 3)

Uri



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