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Subject: Re: To ?? or to !!

Author: Côme

Date: 07:51:46 12/19/00

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On December 19, 2000 at 09:36:03, Laurence Chen wrote:

>On December 19, 2000 at 08:05:42, Uri Blass wrote:
>
>>On December 19, 2000 at 07:53:09, Laurence Chen wrote:
>>
>>>On December 19, 2000 at 06:12:00, Enrique Irazoqui wrote:
>>>
>>>>I think this is a forced line and black has a won ending.
>>>>
>>>>1...Bg7 2.Ng1 Rxg3 3.Ne2 Rf3 4.Ng1 Ned3+ 5.Kc4 Nxb2+ 6.Kxb4 Bc3+ 7.Ka3 b5 8.Qd4
>>>>Bxd4 9.Nxf3 Bc3 10.b4 Nc4+ 11.Kb3 Bxa1
>>>>
>>>>Enrique
>>>Yes, this is the main forced line which wins for Black.  Therefore 1.... Bg7
>>>deserves !!, and it's a very difficult move for a chess engine to find.
>>
>>I am not sure if it is a good test position because the main question is if it
>>is the only winning move.
>>
>>Uri
>The problem is after 1. ... Bg7, a lot of chess engines think that White has a
>shot for a draw, and evaluates the position as positive for White.  It takes
>some chess engines a long time to realize that 1. ... Bg7 is winning for Black.
>I believe that 1. ... Bg7 leads to a forced win in the shortest path. 1. ... c5+
>is possible, but White can put a lot of resistance.  This position was taken
>from a game played by an IM and a GM in Sochi in 1958, IM R. Nezhmet and GM
>Polugaevsky.  I'll post the whole game later.  This position is very complex,
>and the labirynth of complicated variations is a little too much for the chess
>engines to resolve.
>Regards,
>Laurence

Hello !!
Btw black is : Rashid Nezhmetdinov not only Nezhmet :-)
Best Regards
Alexandre Côme



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