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H. G. Muller wrote on Sun, Jul 2, 2023 05:32 PM UTC in reply to Vighnesh Jadhav from 03:55 PM:

The move-definition aid only works for leaper and (straight) rider moves. (Which is sufficient for 95% of the pieces one encounters in chess variants.) The most common other pieces (such as Cannon or Griffon) can be selected from the table with their move predefined. In other cases there is no other way than to type the XBetza move description yourself, and assign it to the piece.

Anti-trading is not considered a feature of the move, and thus cannot be expressed in move notation. It is considered an extra rule on par with the checking rule, making some of the pseudo-legal moves illegal depending on circumstances outside the path of the move. The notation is for describing the pseudo-legal moves of the piece.

The Applet does not provide an interface for specifying anti-trading rules. (Which only rarely occur.) To make a Diagram that can play with such rules, you first have to make one without, copy the HTML code for the Diagram to a separate page (e.g. a Comment), and then edit in the anti-trading as extra Diagram parameters (as described in the article on Interactive Diagrams).


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