Author: Volker Böhm
Date: 01:34:36 05/13/04
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Hi, if (r_beta == 4,75) and the real score is 10,00 the fail-soft score can be anything between 4,75 and 10,00. Any returned value >= beta will immediately result in a cutoff and return the current best score. The alphabeta algorithm will not check if there are other moves with higher score. Thus in your example at some ply there is a move tried first that returned 4,75 and the best move which would return 10,00 is never checked. Greetings Volker
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