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Chess board-shapes can be imaginative. See Tetrahedral Chess, Zigzag Chess et al.
in index. Try different shapes: (21) CV with board like capital E or M (22)
Trapezoid, or pyramid for 3-d (23) Ellipsoid different from Spherical Chess
(24) CV having profile of Abraham Lincoln (penny) or George Washington
(quarter), or other recognizable personage or Deity (25) Name a
geographical area and make the CV playing surface in its shape. For example, Italy could
become boot and heel, West Virginia wheelbarrow. (26) Design a CV
following pattern of some Rube Goldberg device. (27) Use Missoum's Knot
Chess as starting point for shapes of a knot. (28) There are at least three infinite chesses. Robert Bell's is especially appropriate because of John Bell's theorem that reality is indeed nonlocal. What would be your unique infinite version after the fashion? (29) Flying Kittens are relatively undeveloped. Adapt Jeremy Good's Fabulous Flying Kittens having toroidal connectivity and pictured as mere rectangle, to unusual topological shape, to help visualize the moves. (3) Is dodecahedron necessary for Webball? If so describe a variant of it. If not, explain how sphere will suffice.