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Subject: Re: Any program see the sacrifice 14 Qxe4?

Author: Uri Blass

Date: 03:00:10 11/20/04

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On November 20, 2004 at 05:09:57, Scott Gasch wrote:

>On November 20, 2004 at 03:24:48, Scott Gasch wrote:
>
>>On November 19, 2004 at 22:07:28, Cliff Sears wrote:
>>
>>> r1b2r1k/ppp1q1pp/2n1pb2/2P5/2BPpp2/P3PPB1/1PQ3PP/2KR2NR w - - 0 14
>>
>>Monsoon on a single proc 1.2ghz thought about it for a couple of ply, but lost
>>it again.
>>
>
>I left this one running while I was working tonight.  After a long thing monsoon
>seems to get it.  (UP Athlon 1.2ghz):
>
> 4/8    +0.83      00:08.217    365501           Bxf4 e5 dxe5 Bxe5 Bxe5 Nxe5 Qxe
>4 Qxc5 Rd4 Nxc4 Rxc4


11 plies in the pv when the selective depth is only 8.
How is it possible?

>e3+ Kb1 Qxa3 Qd3 Qxb4+ Qb3
>10/14   +0.23    1:58:02.875    1252779861       Qxe4 e5 exf4 exd4 Qxe7 Bxe7 Ne2
> Bxc5 Bf2 a6 g4

only depth 10/14 after more than 10^9 nodes?

Uri



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