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

Author: Enrique Irazoqui

Date: 08:23:38 03/22/01

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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.

Enrique

>>This moves CM 6555 (A 1.2 GHZ) after 1 min and holds it. Score after 12 min.
>>CM shows 2. ...Qa4 3.Bxd5 Rb1+ 4.Kh2 Qd1 (Score +1.47 for Black)
>>
>>Greets
>>
>>AS

• Re: Testposition: Which program can find the solution? Andreas St. 08:50:40 03/22/01
  • Re: Testposition: Which program can find the solution? Enrique Irazoqui 10:16:55 03/22/01
  • Solution is inkorrekt! Heinz-Josef Schumacher 09:30:04 03/22/01
    • Re: No Andreas St. 09:51:02 03/22/01
      • Re: No Chessfun 10:00:21 03/22/01

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