Author: James Robertson
Date: 13:26:53 02/16/99
My program keeps falling prey to king attacks. Although it does very well tactically when it's king is not threatened, it frequently plays combinations that win material (it thinks), only to find, say, a back-rank mate that went unnoticed. I am using a one-reply-to-check extension, the mate extension after null move, and extending half a ply whenever there is a check in the tree. No check detection is done in the q-search. Are there any other standard check extensions I am not doing? James
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