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Subject: Re: wrong solution from chess programs ?

Author: Heiner Marxen

Date: 10:03:36 04/30/03

Go up one level in this thread


On April 29, 2003 at 14:08:44, Uri Blass wrote:

>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

1.Qe4 Rb6 2.Nxg1!

For more details please look at the page I link below.

>>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

That is another thread.  Most probably you ment this one:

http://www.talkchess.com/forums/1/message.html?294395

Cheers,
Heiner



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