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Subject: Re: Testposition - The Weekend Nicholas

Author: Uri Blass

Date: 08:36:12 03/03/01

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On March 03, 2001 at 11:26:50, Enrique Irazoqui wrote:

>On March 03, 2001 at 04:27:10, Sune Larsson wrote:
>
>>
>>  [D]1knB4/8/7p/5R2/7K/8/3r4/7B w - - 0 1
>>
>>  Troitzky, (Schachmaty 1934)
>>
>>  The title of this one is refeering to a famous movie star.
>>  Wasn't it Con Air, something with Las Vegas and Face Off?!
>>  And this person might give a clue to the solution of this
>>  riddle. It's white to move and win. He has two bishops for
>>  a knight and pawn + a rook each. Not much material left to
>>  win considered that both white's preachers are thratened
>>  at the moment...(1.-Rxd8, 1.-Rh2+).
>>
>>  Test: Reveal the secrets! White is winning but how?
>>        Showing +0.87 or +1.63 won't do...
>>        I like this one but then again, I like Nicholas too...;)
>>
>>  Sune
>
>Deep Shredder found Rb5+ in 8 seconds. Deep Fritz didn't get it in less than 5
>minutes.
>
>Enrique

I do not see a win for white in the main line.

> 21.01	14:38 	+3.92 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg4 Rxh1 4.Bd8+ Kc8 5.Bh4 Kd7
>6.Kh5 Ke6 7.Rb6+ Ke5 8.Rb4 Kd5 9.Rg4 (440.000.872) 500.8

I simply do not understand the +3.92 in KRB vs KRP position based on the main
line
0.xx seems more logical.

Uri



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