Friday, February 17, 2012

[vhthwnkt] Isotropic fairy chess

A isotropic, simplified subset of this menagerie.

Orthogonal movement: none, wazir, rook
Diagonal movement: none, ferz, bishop
Knight jump: no, yes
Alfil jump: no, yes
Dabbabah jump: no, yes

So 3*3*2*2*2=72 types of pieces total, including the "stone", which has no movement at all, but could be useful for hiding behind.  Stones could also be usefully dropped in a crazyhouse variant.

Compute some endgame tablebases with these pieces.  The royal piece can be selected from any of them, or a subset which all need to be captured.  The interesting ones could be long forced wins.  What others?  By looking at draws, one can approximate piece values.

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