Difference between revisions of "Upper Bound"
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Latest revision as of 16:16, 2 May 2018
Home * Search * Score * Upper Bound
There are two semantics inside an Alpha-Beta like search, related to Upper Bounds:
- Beta is an Upper Bound of a score for this node.
- An Upper Bound is returned from an Alpha-Beta like search, if it fails low. All moves were searched, but none improved alpha. The node searched was a confirmed All-Node.
See also
Forum Posts
- Using just Upperbounds and Lowerbounds by Alvaro Jose Povoa Cardoso, CCC, February 01, 2001
- bound type in PVS ? by Mahmoud Uthman, CCC, January 23, 2017 » Bound, Exact Score, Principal Variation Search
