I now set up a 3-vs-1 page that can be preconfigured in the same way as the existing 2-vs-1 page
I've added a link to that, plus a bit more of your detailed explanation (with the terms clarified — hopefully correctly — as they're as yet far from established terminology)
The mFcW is potent (it can switch its attack from c1 to a1 by moving from c2 to b1), and can thus in principle force mate together with any minor
I'm lightly torn on whether to include this information on the page too; it's not the main subject of the page but it's interesting and it'd be a shame to have it hidden away in a comment
You're missing a link to Interdependent Chess
It does have a link earlier in the page; I had made a conscious decision not to duplicate links (the two Schwalbe glossary links being to different portions of the document), though I don't feel strongly about that if you feel it's better to link it twice
I left a comment on that page about the name of Guardian being used for the Berolina Steward in Lt. Obert's Decimal Chess from the 1870's
I'd completely forgotten about that, especially since it's not the main subject of the page; I've added a mention thereof (though CECV gives the date as 1880, which is what I've put down)
In Decimal Chess, Obert gave his Guardian a double move
The relevance of double moves for pawnlike pieces such as steward and guardian had gone completely over my head; it's late now but I'll make sure to double(!) check when I next get time to do so what the rules are in the various games (though I expect it'll be double moves only if they're pawn replacements)
I've added a link to that, plus a bit more of your detailed explanation (with the terms clarified — hopefully correctly — as they're as yet far from established terminology)
I'm lightly torn on whether to include this information on the page too; it's not the main subject of the page but it's interesting and it'd be a shame to have it hidden away in a comment
It does have a link earlier in the page; I had made a conscious decision not to duplicate links (the two Schwalbe glossary links being to different portions of the document), though I don't feel strongly about that if you feel it's better to link it twice
I'd completely forgotten about that, especially since it's not the main subject of the page; I've added a mention thereof (though CECV gives the date as 1880, which is what I've put down)
The relevance of double moves for pawnlike pieces such as steward and guardian had gone completely over my head; it's late now but I'll make sure to double(!) check when I next get time to do so what the rules are in the various games (though I expect it'll be double moves only if they're pawn replacements)