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The Chess Variant Pages

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Grand Chess. Decimal variant with Cardinals and Marshalls.[All Comments] [Add Comment or Rating]
Greg Strong wrote on 2020-03-26 UTC

This seems to work perfectly.  You can only promote to captured pieces.  Does not offer promotion if none is available.  Does not allow pawn move to 10th rank if no promotion is available, but still does give check.  Does not allow two different pawns to promote to the same captured piece...  Everything I can think to test works correctly.