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The Contingency Pawn is stuck until her counterpart-piece behind moves
away. Pieces move, then Pawns. Since 13th-century Gryphon may stop at one
diagonal before the 45-degree orthogonal continuation, all Pawns are
protected in: Bison-Gryphon-Bishop-Knight-Amazon-King-N-Bp-G-Bn. Board is
8x10. If expecting opening like d2-d4 or e2-e4, think again. Knight must
move first d1-c3, and then anytime later d2-d4 or d2-d3 is permissible for
that Contingency Pawn. Likewise Amazon moves out e1-f3, enabling Cont. Pawn
in e-file to follow soon with e2-e4. The whole back rank potentially opens
up that way, but piece in Rank 1 must always precede his Cont. Pawn Rank 2
of same file. Net result is no dilly-dally opening development as pieces exit first.
If Chessist Lewis Carroll invented her, he might write, mixing it up like
the movies: ''Mome Gryphon, Slithy Jabberwock/ In frumious opening
hammerlock/ 'Twas brillig of the vorpal score/ Gyre, gimble to e-4 no
more./ Mock mimsy pieces' beamish way/ Contingent Pawns uffish delay.'' 
http://www.jabberwocky.com/carroll/jabber/jabberwocky.html