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Subject: Re: Castling and the 50 move rule

Author: Stephen A. Boak

Date: 20:08:32 08/25/99

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On August 25, 1999 at 15:57:01, KarinsDad wrote:

<snip>

Any
>other moving of a piece is usually reversible and questionable as per
>progression. Castling isn't.
>
<snip>
>
>KarinsDad :)

Some additional observations--

1. Castling is normally reversable as far as piece positions (King versus the
pertinent Rook), by a typically lengthy series of moves (but specific positions
may change this).  It is not reversable as far as having the right to castle
again.

2. In many games, GMs do not castle, and prefer instead to use a Rook to support
an attack using a R or N column.  There is no provable 'rule' that Castling is
'making progress' and non-Castling is 'not making progress'--it depends on the
type of position and even then, on GM judgement (which often varies).

--Steve Boak



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