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Subject: Re: Zugzwang!

Author: Amir Ban

Date: 04:16:32 07/29/99

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On July 28, 1999 at 18:16:24, Dann Corbit wrote:

>On July 28, 1999 at 17:50:51, Kristo Miettinen wrote:
>
>>The position is the opening array, all pieces in their initial positions. The
>>explanation about the eight pawns makes sense, intending to steer Crafty into
>>open waters (on the assumption that the opponent is human?)
>>
>>I was looking into this on a whim, as I use the advantage of White in the
>>opening position as my quantum of positional value (on which scale the value of
>>a pawn is 6 quanta for me).
>Here is the C.A.P. record for that position.
>
>rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - acd 15; ce -7; pv e4 e6 Nf3
>Bb4 Nc3 Ne7 Bc4 Nbc6 O-O O-O d4 Bxc3 bxc3 Na5 Bb5; pm e4; id "C.A.P. 4028";
>
>I bet you never knew crafty was French.
>
>Crafty thinks it is behind by 7 one hundredths of a pawn.  This is obviously
>conservative because white has a tempo at least.  But I don't think that it is
>grossly inaccurate.

A correct evaluation is one that matches the winning percentages of the
position. I think white has about 54% in serious play, and if so the evaluation
should be about +0.20.

Amir




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