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Subject: A really nasty position

Author: Peter Fendrich

Date: 11:21:13 05/29/01


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



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