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Pocket Mutation Chess. Take one of your pieces off the board, maybe change it, keep it in reserve, and drop it on the board later. (8x8, Cells: 64) (Recognized!)[All Comments] [Add Comment or Rating]

💡📝Michael Nelson wrote on Tue, Mar 4, 2003 03:27 PM UTC:

There will be a ZRF posted.  Until it's on the CV pages, I will send a
copy by email to anyone who requests it.

I think my playing tip about not using the pocket just to mutate a piece
might well be extended to promotion as well -- don't aim for promotion as
your sole objective -- try to gain a material or positional advantage in
addition.

The kind of pawn promotion I like is dropping a pawn on the seventh rank
to fork two pieces and threaten to make a Bishop or Knight.

In general, moves with multiple objectives will be even more frequent than
in FIDE Chess.

Astute readers will notice that the value classes are based on Ralph
Betza's Atomic Thoery of Piece Values.  The equivalances are not exact --
a SuperBishop is measurably stronger than a Rook, but the difference is
small enough (half a pawn, maybe) that positional factors can easily
override it.

If anyone does want an alternate piece set, I would suggest a coherent
set based on a small number of elements.  My piece set is based on three
pieces (Knight, Bishop, Rook) and their combinations plus three
enhancements (change Knight to Nightrider, add Wazir to Bishop, add Ferz
to Rook).