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Subject: Re: wrong solution from chess programs ?

Author: Uri Blass

Date: 11:08:44 04/29/03

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On April 29, 2003 at 13:45:37, Uri Blass wrote:

>On April 29, 2003 at 09:22:21, phili_ppe wrote:
>
>>Problem from Bruno Fargette, dedicated to Camil Seneca.
>>from book : "150 problemes d'echecs" by Camil Seneca.
>>
>>Without the rook at d6 the sole move of black would be Bxf2 then Nxf2 mate.
>>
>>Try number 1
>>1. Qb1 ?   Rd2+ !	2. Kxd2 ? stalemate
>>		2. Kb3	Rd1 !	3. Kb2	Rd2+ !	4. Ka1	Rd1 !! and White is in zugzwang
>>
>>So the goal is to reach the same position ***with black to move***
>>
>>Try number 2
>>1. Kb2 ?	Rg6 !	2. Ka1	Rxg4	3. Qb1	Rxa4+	4. Kb2	Rb4+	5. ... Rxb1 and Black wins
>>
>>Try number 3
>>1. Qe4 ?	Rb6 ! and the white king cannot move to a1
>
>No Qe4 was proved by chest to be a mate in 10
>see http://www.talkchess.com/forums/1/message.html?294904

Correction

http://www.talkchess.com/forums/1/message.html?294724

Uri



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