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The FIDE Laws Of Chess. The official rules of Chess from the World Chess Federation.[All Comments] [Add Comment or Rating]

bsaucer wrote on Thu, Aug 7, 2003 08:41 PM UTC:

Draw by repetition: A draw occurs if a repitition has occured three times,
and the same player has the move, and both players have the same legal
moves.

Suppose in position 1, a player has not moved his king or rooks, so has
the RIGHT to castle. However, castling is NOT a legal move in this
position for some reason.

Subsequently, he has moved his king and later moved it back befor the
position has been 'repeated' again. Is this a repetition,
assuming the LEGAL moves are the same?

Another example: A player moves his pawn two squares, 'offering'
it to be captured en passent, leading to position 1. However, the other
player cannot take his pawn, because his own pawn is pinned, and would
expose his king to check if moved. So the en passent capture is NOT one
of
his legal moves.

If position 1 is 'repeated' later, with the same player to move,
is this a true repitition, since the legal moves are the same?