Author: scott farrell
Date: 04:45:37 12/11/02
What does the detection of a draw during a Null Move Search mean? Can you cut-off based on the score being a DRAWSCORE that comes back from the nullsearch if it is >=BETA? I think the meaning is undetermined, and is a probably related to ZUGS. I just changed my code, such that if a draw it detected during a nullmove, I return ILLEGAL straight away. I guess it depends on the type of draw detected: StaleMate - this is the clear ZUG Repitition - maybe I should even really be checking for draw by rep during null move search NM - not enough material. What do other people do in their engines? Ideas much appreciated Scott
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