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The Chess Variant Pages

This page is written by the game's inventor, Jianying Ji.

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Jianying Ji wrote on 2008-05-28 UTC
I think your second option is what I mean. But I'm not too sure, so let me clarify.

1st. standard checkmate would be a win, since the king is in danger so the player must aleviate the check (by king's rules), but since he can't he has no legal moves, thereby loses (by rule 1).

2nd. in addition to standard checkmate, stalemate would be loss as well, since by rule 1 the person with no legal move loses. A example would be if white king at A1, and black rook at B2, with white having no other pieces, and black having pieces elsewhere. If it is white to move, then white is lost, since his only piece the king can't move without placing itself in danger which is forbidden.

So checkmate in Nach Schach is a form of stalemate, and is still a valid way to win, however stalemate is sufficient, so sometimes there can be simpler way to win without explicit checkmate.

By the way it would be intersting to work out lone king win against lone king, hint it is a win by stalemate.

Finally I have a subvariant which I'll post later that adds a random setup on a slightly larger board, which I consider better than Nach Schach itself.

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