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This item is a Zillions-of-Games file
It belongs to categories: Orthodox chess, 
It was last modified on: 2004-01-24
 By Michael  Nelson. Forward Chess ZIP file. Download these files to play Forward Chess with Zillions of Games![All Comments] [Add Comment or Rating]
Michael Nelson wrote on 2004-02-05 UTC
Larry's suggestion also improves play and the code is elegant. I'm going to do some testing and see which approach seems to do better. I have a more elegant macro for Peter's method which will allow the final move to be made: (define King-win ( (verify (in-zone? promotion-zone)) (if (in-zone? promotion-zone a1) White-throne ; dummy position with a White King else Black-throne ; dummy position with a Black King ) add ))