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ChessVA computer program . Program for playing numerous Chess variants against your PC.[All Comments] [Add Comment or Rating]
Aurelian Florea wrote on Thu, Oct 13, 2022 05:02 PM UTC in reply to Greg Strong from 03:29 PM:

I have stumbled on another hurdle, Greg. I need to not have more than a Joker on the board. So that means no promotion to joker unless my joker has been captured. I figured out I have to use PromoteByReplacementRule but I can't get my head around the second argument. Can you help, please?