Author: Russell Reagan
Date: 11:56:59 01/24/02
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So perft is the number of unique positions encountered to a given depth? Duplicate positions are not counted twice, as I understand it from your explaination. If it counts the number of unique chess positions, it seems like that would be quite a task to generate the entire search tree and store it in memory, remove duplicates, and count the nodes. How is this usually implemented? Russell
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