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Subject: Re: Test Position

Author: Anthony Cozzie

Date: 09:28:24 10/19/04

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On October 19, 2004 at 12:13:49, Will Singleton wrote:

>On October 19, 2004 at 10:37:36, Eelco de Groot wrote:
>
>>On October 19, 2004 at 09:09:42, Anthony Cozzie wrote:
>>
>>>[D]4r3/QbpR1ppk/pr5p/1pq1P3/2p1PP2/P5PP/1P4B1/3R3K w - - 0 27
>>>
>>Pro Deo with custom settings also expects a draw after exchange of Rooks. Slow
>>Celeron 500 MHz, 28 Mb HT
>>
>>00:00:09.3	0,00	10	1159298	Rd8 Rxd8 Rxd8 Qe3 Qb8 Bxe4 Rh8+ Kg6 >Qxc7 Bxg2+ Kxg2 Qe2+ Kg1 Qe1+ Kh2 Qf2+ Kh1 Qf1+ Kh2 Qf2+ Kh1 Qf1+ Kh2
>
>>00:06:18.7	0,00	13	63625473	Rd8 Rxd8 Rxd8 Qe3 Qb8 Bxe4 Rh8+ Kg6
>>00:13:59.3	0,00	14	145222009	Rd8 Rxd8 Rxd8 Qe3 e6 Bxe4 exf7 Bxg2+
>>
>
>Pro Deo looks like it has a problem.  The pv for ply 9 is no draw, Qb8 should be
>e6.  It still shows the bogus line for ply 13, finally finding the right move in
>ply 14.
>
>An engine that doesn't consider underpromos will never see the draw.


I am not sure it is a draw.  Zappa had a draw score on Rd8 but eventually failed
low.  Sadly I don't remember its PV :(

anthony



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