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How to Enforce Rules in Game Courier. A tutorial on programming a rule-enforcing preset in the GAME Code language.[All Comments] [Add Comment or Rating]

H. G. Muller wrote on Thu, Jan 19, 2023 11:50 AM UTC in reply to Daniel Zacharias from 05:04 AM:

If this is 'Post-Move' code, the Pawn has already landed on the to-square, so that it is no longer empty? Try

verify == captured @;

For my understanding: why is it necessary to copy the screen to a variable, before testing it. Is there a problem with writing

capture screen;