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Subject: Re: "Blot Count" chess.

Author: Otello Gnaramori

Date: 02:14:34 11/18/03

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On November 17, 2003 at 16:13:48, Louis Fagliano wrote:

>I’m not a programmer, but it seems to me the way to combat anti-computer chess
>is to formulate an algorithm that judges whether or not a position is blocked.
>
>The game 3 of Kasparov-Fritz, after the 12th move, 12. b6, there were white
>pawns on e3, d4, c5, and b6, and black pawns on b7, c6, d5, and e4, creating a
>trench across the board where piece movement is severely restricted and a “new”
>type of chess has to be played –- one where king safety isn’t all that important
>because of the sharply limited scope of the pieces and instead gaining space by
>advancing your own pawns to smash the “trench” is.
>
>Let’s call a pawn structure with pawns on, say, d4 and c5 of one side and c4 and
>d3 of the other where a c4 and c5 combo has to be a white pawn on c4 and a black
>pawn on c5 so that the pawns block each other a “blot” for want of a better
>word, and a d4, c5, c4, d3 combo would be 4 blots, the minimum number of pawn
>groupings that can be called blots.  Blots then increase by two’s, i.e., 6, 8,
>10, etc.  After the 12th move of game 3 there would have been 8 blots on the
>board.
>
>It should be possible for a programmer to add a “blot counting” algorithm to a
>chess program.  If the total amount of blots on the board is, let us say, 6 or
>greater, (or a sliding scale can be used) then the program should be instructed
>to ignore the parts the program that look for king safety and discourage pawn
>moves in front of king, etc.  In a position with a high “blot count” the
>computer should be instructed to go to a different subroutine that is optimized
>for trench warfare.  If the “blot count” is low or zero, then ignore the “trench
>warfare” section of the program.
>
>Is this possible?  Has anyone tried it?


This was the subject of my previous question to programmers , but unfortunately
nobody seems to have a satisfactory answer to this, except perhaps Dr. Hyatt
that tried to counterplay the draw masters in ICC tuning Crafty to "break"
closed position if I got it right.

w.b.r.
Otello





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