[Retros] rights & occasions
kevinjbegley at gmail.com
Wed May 14 16:15:53 EDT 2014
Excellent -- and delightful -- point, Noam.
In fact, this example helps demonstrate why castling rights must be
inherent information in the position, and not based upon any possibility of
The alternative representation, would allow for numerous alterations of
castling rights, merely by giving check, attacking the intermediate square,
or attacking the destination square of the castled King.
This is why I have asked for some definition of the alternative
interpretation (when, in fact, I'd much prefer a description in
On Wed, May 14, 2014 at 12:22 PM, Noam Elkies <elkies at math.harvard.edu>wrote:
> Joost asks:
> > Can white really lose his castling rights by moving a piece
> > besides the rook and king?
> After 1 f4 e5 2 g4 does Black lose his castling rights
> by playing Qh4# ? :-)
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> Retros at janko.at
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