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Subject: Re: A really nasty position

Author: Djordje Vidanovic

Date: 13:23:59 05/29/01

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On May 29, 2001 at 14:42:43, Miguel A. Ballicora wrote:

>On May 29, 2001 at 14:21:13, Peter Fendrich wrote:
>
>>This position appeared in an ICC game: Guitje - TerraPi
>>
>>[D]2r3kb/5q1p/4pPp1/1p1pP3/p2P2Q1/PrP5/1P3R1R/2B3K1 w - - 0 42
>>
>>the last move from Terra was 41... b5
>>Some moves earlier when white made g6, Terra decided to move the bishop from g7
>>to h8.
>>Both Rb3 and Bh8 are locked in and Terra is absolutely unaware of the
>>hopeless situation. Yes, Terra lost...
>>
>>I see two different but connected problems for computer programs here:
>>  - the closed position itself
>>  - the two blocked pieces.
>>
>>How do you solve/avoid positions like this? Terra has about equal eval for this
>>position.
>>It is of course possible to punish pawn chains like this in order to avoid
>>closed positions but is that really a solution and how to deal with blocked
>>positions?
>>
>>//Peter
>
>Mobility helps a little in this respect. My program Gaviota has an small
>evaluation where the mobility component is a big % of it. I gives in this
>position +1.75 for white.
>
>Regards,
>Miguel

Does Black have enough time for the pawn b5 to b4 push?  That could change the
situation somewhat...

***  Djordje




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