[Retros] rights & ocassions

Joost de Heer joost at sanguis.xs4all.nl
Sat May 3 10:16:25 EDT 2014

On 05/03/2014 02:28 PM, raosorio at fibertel.com.ar wrote:


> Hi friends,


> How many two moves switchbacks could be legally preformed by the kings

> in the following position,


> White Ke1, Rh1

> Black Ke8, Ph2

White 4, black 3 (and after the 4th return of the white king, the
position is draw).

Technically, white still has castling rights. Practically these rights
are nonexistent (no legal sequence exists in which white castles), but
the rule of threefold repetition only looks at the technical rights, not
the practical rights.


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