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Subject: Re: Test Position = Study by David Przepiorka [Vorwärts, 1910]

Author: George Tsavdaris

Date: 14:55:20 02/05/04

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On February 05, 2004 at 17:40:16, Bob Durrett wrote:

>On February 05, 2004 at 15:49:09, George Tsavdaris wrote:
>
>>On February 05, 2004 at 15:07:27, José Antônio Fabiano Mendes wrote:
>>
>>>  Study by David Przepiorka [Vorwärts, 1910]   vorwärts ==> onward/forward/ahead
>>>  [D]R5n1/4n2p/4K2P/2k3P1/1p6/8/8/8 w
>>>  The only winning move is 1. Rb8 then 1...Kc4 2. Rxg8 Nxg8 3. g6 b3 4. gxh7 b2
>>>  5. hxg8=Q b1=Q 6. h7 Qe4+ 7. K moves, discovered check and White wins. Now we
>>>  understand the purpose of 1. Rb8, White King moves with check.
>>>  Source ==> "Ajedrez", Editorial Sopena Argentina, April 1978, page 191
>>
>>Well i think the immediate 1.Rxg8 is winning too (more easily according to
>>computers).
>
>Nowadays, problem composers can check their problems using chess engines.
>Failure to do so is not good.

 Also there is one line that white has a Queen and a pawn, while black a Queen
and white has a forced "tablebase" mate in 37. This thing in 1910 was very
difficult to calculate as a clear win for white and the result perhaps it was a
mystery.



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