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Betza notation (extended). The powerful XBetza extension to Betza's funny notation.[All Comments] [Add Comment or Rating]
Aurelian Florea wrote on Sat, Oct 31, 2020 06:11 AM UTC in reply to H. G. Muller from Fri Oct 30 12:16 PM:

Hello again HG, If both regular and berolina promote and the promotion rules allow promotion in steps (say in regular chess knight and bishop at the sixth rank, rook at the seventh and queen at the eighth) and I do not want the berolina to promote to regular or the other way around how do I write the promochoice variable. Thanks!