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Subject: Re: Testposition: Which program can find the solution?

Author: Enrique Irazoqui

Date: 10:16:55 03/22/01

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On March 22, 2001 at 11:50:40, Andreas St. wrote:

>On March 22, 2001 at 11:23:38, Enrique Irazoqui wrote:
>
>>On March 22, 2001 at 11:21:55, Enrique Irazoqui wrote:
>>
>>>On March 22, 2001 at 11:16:21, Andreas St. wrote:
>>>
>>>>On March 22, 2001 at 09:54:32, Heinz-Josef Schumacher wrote:
>>>>
>>>>>In the follow position from the year 1990  of Uhlmann - Anand
>>>>>
>>>>>1r1r2k1/p3np2/2qp1p1p/3np2P/2p5/B1P2BP1/P1Q2PN1/3R2K1 w - -
>>>>>
>>>>>http://homepages.compuserve.de/hjsxy/1.gif
>>>>>
>>>>>no program seems to find the solution 1. Rxd5!!  This move is correkt: for
>>>>>example:
>>>>>1. … Nxd5  2. Qd2!  Rb1+ (or at once Rb5) 3. Kh2  Rb5  4. Qxh6  and now the
>>>>>programs see that black is lost.  Why so late?
>>>>
>>>>
>>>>Hi HJS,
>>>>
>>>>what after 1.Rxd5!! Nxd5 2.Qd2! Qa4 ?
>>>
>>>Qa4 loses too. After 2... Qa4 3.Qxh6 and white wins.
>>>
>>>Enrique
>>
>>Sorry, I mean 2... Qa4 3.Bxd5 and if 3... Qxa4, then 4.Qxh6 wins.
>
>Hi,
>
>??? 2. ...Qa4 3.Bxd5 ...Qa4??? What?
>not possible the 3. move for black is 3. ...Rb1+ 4.Kh2 Qd1

Ehem... I was slightly confused. :)

Enrique

>Greets AS



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