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FairyGen. Generator for end-game tables with fairy pieces.[All Comments] [Add Comment or Rating]
💡📝H. G. Muller wrote on Wed, Nov 13, 2019 05:56 PM UTC:

Oops, my bad! Non-capture only is indicated by 'n', not by 'm'. I was mixing it up with Betza notation. :-(

So the non-capturing Rook (Betza mR) would be R: (1,0,sn*). An 'm' would be simply ignored; FairyGen checks for occurrence in the string behind the second comma for 'n', 'c', 's' and '*' only. You don't have to specify anything about captures if you don't want them.

Using (0,0) as step for a completely immobile piece might work, as the piece would see itself in the target square, and captures of friendly pieces is never allowed. It should not be needed, though. But there must be a space behind the colon, perhaps this was the problem.