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Subject: Re: the reason why Anaconda can´t draw against Hydra...

Author: Gabor Szots

Date: 03:41:06 03/02/05

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On March 01, 2005 at 11:18:31, Thomas Lagershausen wrote:

>On March 01, 2005 at 09:40:38, Gabor Szots wrote:
>
>>On March 01, 2005 at 08:47:11, Thomas Lagershausen wrote:
>>
>>>[D]2r2r1k/1bqnb1pp/p2pB3/1p1Pp3/2n5/5NNP/PP3PP1/R1BQR1K1 b - - 4 20
>>>
>>>...is the lack of positional knowledge. This counts for most of curent
>>>chessprograms.
>>>
>>>In the last round of Paderborn Anaconda reaches this position with the black
>>>pieces against Hydra and lost without any real resistance.
>>>
>>>But it is not difficult to see that black has to play against the weak pawn on
>>>d5 to get enough counterplay. So, the sacrifice of the exchange by 20...Nc5 or
>>>20...Nf6 give black the chance to free his game and equalize the position.
>>>
>>>Please notice that my intention is to help the programers and not to show how
>>>weak chessprograms are playing chess.
>>>
>>>Have fun and improve your chessprograms.
>>>
>>>TL
>>
>>
>>Hi Thomas,
>>
>>Shredder 9 has been analyzing the position now for 10 minutes, and cannot come
>>up with your idea (see below).
>>I (a 2050 Élő player) think the case is not so simple. The exchange sacrifice
>>may free the position but equalize? What does black get in exchange? I am sure
>>that sooner or later the material disadvantage will tell.
>>
>It looks like you trust the computers too much. Black gets the center, the
>bishoppair and plays with bishop and pawn against the rook. This is more than
>enough. It is a pitty how bad the influence of computerchess to humans is.
>
>What can i say more?
>
>Only if another chessprograme show you the way you agree?
>
>Greetings
>Thomas

I only wanted to show that even Shredder does not understand the position (or it
understands it better than us).

Black gets the centre, the bishop pair and a pawn for the exchange, you say. But
the game is not over yet. If black cannot exploit these advantages, it is going
to lose.

I have seen several games in which one side sacrificed an exchange and
apparently had enough compensation. But the compensation disappeared and only a
lost position remained.

Your suggestion may still be the best for black but I am not convinced.

Regards,
Gábor



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