Enter Your Reply The Comment You're Replying To M Winther wrote on Sun, Dec 27, 2009 06:49 AM UTC:If you have set (loss-condition (White Black) (checkmated King) ) then it should work. However, the king can still be capturable if a piece canmake, for instance, two moves in a row. Then a checkmate condition cannot be calculated. /Mats Edit Form You may not post a new comment, because ItemID Programming does not match any item.