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H. G. Muller wrote on Sun, Nov 18, 2018 05:17 PM UTC:You can get compound pieces of any kind with the SVG piece generator:
( http://winboard.nl/my-cgi/fen2.cgi?f=e-r )
In case anything can be done, I'd note that the Diagram Designer's Alfaerie: Many piece set seems to be missing any symbol to represent a plain Alfil+Rook compound piece figurine, which I happen to be thinking I might use sometime, since I'm toying with an invention idea. The closest symbols are for either elephant rider versions of that compound piece, or else for versions where the rook component is restricted to moving up to just 4 squares. I'm thinking the latter would be a less confusing substitute (if one is necessary) for a plain Alfil+Rook piece, unless something more unrelated like e.g. an upside-down rook figurine would be less confusing than even that. I suppose CVP editors take accepting such emergency substitutions for diagram figurines on a case-by-case basis.
As an aside, oddly enough, Diagram Designer's Alfaerie: Many piece set does have a figurine for the plain Dabbabah+Bishop compound piece, as well as for the (plain) Alfil+Dabbabah+Queen triple compound piece. The latter I recently noticed is a piece type used in the patented 10x10 Big Battle commercial variant. No indication on the CVP page for Big Battle that that piece type is patented, nor is there anything about the QAD type being patented that I could easily find elsewhere on the internet. I know e.g. the Champion piece type (aka WAD) in (commercial) Omega Chess is used liberally in games found on this website alone. On the other hand, every aspect of e.g. Arimaa is patented/licensed (including the piece type names for that, if I recall correctly).
Until now, the FFEN tool and the Diagram Designer shared a common limitation. Neither one could show capture moves by placing a dot over a space with a piece on it. I have now fixed that for the diagram designer. Enclosed in braces, write the index of the color, a space, and the label for a piece. For example {2 r}. This will draw that piece on the space with a dot over it in the color with that index. So, if you include 3 colors in the colors field, 2 will be the index of the third color, and a dot of that color would be placed over black's rook.
Besides using # and ! for border-colored and text-colored dots, it will now use numbers to specify dots in the color of one of the colors listed in the colors field. This field is normally used for coloring the spaces of the board, but it may be expanded beyond the colors needed for the board. On a regular checkered board, the two colors of the board will normally be 0 and 1, and the next color will be 2. You can set 2 to whatever color you want, then insert {2} in your FEN code to display a dot of that color. Since numbers are normally used to indicate a number of empty spaces, any number used to designate colors must appear inside braces. This lets the number be used as a label instead of information about the number of empty spaces.
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It seems it would be great if the SVG generator supplements or is the successor to the diagram designer on CVP at some point. I assume most any shade of colouring can be used for the SVG figurines.
Again an aside: For the variant idea I had in mind, it involved using the RA piece type (besides the BD and QAD types, along with NP, and K) for an 8x8 variant involving eight sergeant pawns per side, but the idea looks like it's not going to pan out, if only because the RAs apparently could be swapped off the board on the flank files early in a game, at little cost to either player. Using RD (plus BA) instead would be no better, on 8x8, for that reason, but on a 10x8 board with the BD's not guarding the RA's in some setup with an extra piece type I've yet to decide on, with the seargent pawns and QAD thrown in, all the ingredients in question might work together better. The toying continues...