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Subject: Re: To ?? or to !!

Author: Laurence Chen

Date: 08:22:04 12/19/00

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On December 19, 2000 at 10:51:46, Côme wrote:

>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
Yes, I know, but I just couldn't remember how to spell his whole last name.
Thanks for the info.



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