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George Duke wrote on Sat, Dec 31, 2016 06:27 PM UTC:

Shogi_Fairy. Christine Bagley-Jones' pieces on the 12x16 board, "Fairy Pieces," are from the historical large Shogi variants pre-19th century. Some more could have been added she explains, but displayed on board in the article are all of Angry Boar to Yaksha for 154 types.  Yaksha pictorially is on j10, Coiled Serpent e2, Dark Spirit h2, Strutting Crow d9, Bishop e1, Knight ("el")-1, Rook b8 and so on. Since no one has marked the squares yet by description of the piece, the way to find them is from the definition to the board not vice versa.

Charles Gilman's 2000 piece-types -- his entire work -- could be exhibited together on one board too. To show them all as a CV to play in set array, mirrored for both sides, a chessboard of 64-square suffices. A logical CV with one of each of the 2000 different pieces would dispense with Pawns and add one King, say at ff1 for White and ff64 for Black.  Since 64x64 is 4096, initially the pieces will cover the entire board but for one empty band of squares staggered symmetrically from a32 to lll("els")33. There are then 94 vacant squares between the two armies to start, and no opponents abut each other. This CV, call it Gilman-Complete, might best be played Marsellais-style or even Progressively.

Go boards are 19x19 and Scrabble boards 15x15. Three Scrabble boards plus one Go board make 64 squares in one row -- ignoring that 18 squares of 19 intersections usually make Go board. Just as suggestion, there would be different ways to size and space quickly to make playable surface of 64x64. One far-fetched way for visualizing anyway is 9 scrabble boards formed into larger square (45x45) and 6 or 7 Go boards surrounding, sketching in the needed extras. That's what it takes to include all Gilman's indexed types. Or four of Bagley-Jones' 16-wide boards above give enough files 64, and build up from there to get equivalent of 64 regular chessboards. Scrabble and Go_boards.

Charles has four geometries chiefly: cubic, square, hex-prism, hexagonal (excluding cubic xyrixa of Tetrahedral). Gilman p-ts are from all four, so to be fully playable, there needs to be agreement on rules for transforming 3d to 2d and hex to square. In general make the move first by its geometry, then translate if necessary to the planar square-based board of 4096 cells. Mixed geometry questions like this can be found in Betza's Rectahex, Geometry, its comments, and several Gilman CVs themselves. Cubic pieces and hex-prism could readily be resolved to play one of each type on flat 64x64 for the long haul.


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