I have no objection to modifying the official Luotuoqi rules to use
king-capture instead of checkmate for victory. If a majority of
contributors concur, let it be so.
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Entrant 3, the second to propose the Separate Realms Rook (under a
different name), has withdrawn that entry in favor of Entrant 2's earlier
independent submission. I'll make the change in a few minutes.