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Showdown Chess. No draws permitted. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]

Mark Thompson wrote on Sat, Aug 27, 2005 05:26 AM UTC:

Hmm. Some of these rules will probably need to be spelled out more. For
instance, it's illegal to make a move that results in insufficient mating
material. Does that mean that when either player gets down to a set of
pieces that can't be reduced further and still be able to force mate, his
remaining pieces become uncapturable? But won't the conventional ideas of
how much material is sufficient to force mating have to be revised, in
light of this invulnerability rule? And the fact that no move is allowed
that would result in stalemate might also affect the issue, I think.

More fundamentally, is it allowed for one player to be reduced below the
level where he could force mate, as long as the other one is not?