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Subject: Re: Capablanca testposition.

Author: Jorge

Date: 17:20:23 08/21/03

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On August 20, 2003 at 16:56:45, Kurt Utzinger wrote:

>On August 20, 2003 at 15:53:13, George Tsavdaris wrote:
>
>>The following position is from a game between Capablanca and Bernstein
>>from Chessmaster's library.
>>
>>In the annotation says after the move 25...Rh8  :
>>"Other moves are no better. Two variations given by Capablanca are 25...g5 26.e5
>>f6 27.Qd3, and 25...g6 26.Qxh6+ Kg8 27.e5 gxh5 28.gxh5, and there is no answer
>>to the threat of Re1-e2-g2+."
>>
>>But Deep Junior 8/Shredder 7.04/Fritz 8  prefer  25...Rg8 with a
>>score ~ -1.00 for black.
>>Who is wrong? Capablanca and the annotator who believe there is no
>>defence, or the todays top programs who found Rg8 and believe black
>>is better?
>>
>>[D]4rr2/p1pb1ppk/2ppn2p/5N1N/4P1P1/1P2QP2/1q5P/2R1R1K1 b - - 0 25
>
>     Hi George
>     Most interesting: I have made a note in the book to the move 25...Rh8
>     that I could not find a win after 25...Rg8, and this was 20 years ago.
>     Kurt

CT15 finds g5 after some time at 18 ply,

07:03:00.9	0.32	18	2087463310	g5 e5 Nf4 Nxf4 Bxf5 Nd3 Bxd3   Qxd3+ Kg8 Rc2 Qa3
e6 Rxe6 Rxe6 Qa1+

jorge




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