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Subject: Re: Which Programs Play Fischer Random?

Author: Ricardo Gibert

Date: 06:06:24 10/22/02

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On October 22, 2002 at 02:50:44, Uri Blass wrote:

>On October 21, 2002 at 17:05:19, Rick Terry wrote:
>
>>does tiger 15?
>
>I think that the rules of fisher random that I read in Arena are not logical.
>
>It is not a generalization of the normal chess rules and I saw no rule that
>there should be nothing between the king and the rook to allow castling.
>
>A logical generlization of the castling rules should say that the king go to
>distance one square from the rook and the rook goes to the second side but
>surprisingly it is not the rule that I read in arena.


How do you apply your rule for O-O when the K starts on b1 and the Rs are on a1
and c1?


>
>I see no reason for programmers to program a strange rule that is even not a
>generalization of the normal castling rules.


I believe the normal rule for fischer random is to put the K on g1 and R on f1
for O-O or put the K on c1 and the rook on d1 for O-O-O. The transit squares
must be unoccupied for both K & R. The King cannot be under attack on either its
begining, destination or transit squares.

What could be simpler or more logical? What does Arena say the rule is?


>
>I know nobody who play fisher random but it is logical to guess that if people
>play it they play it by logical generalization of castling and not by some
>strange rules that I read in arena.
>
>Uri



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