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Proof-Set Search
[chapter]
2003
Lecture Notes in Computer Science
Victor Allis' proof-number search is a powerful best-first tree search method which can solve games by repeatedly expanding a most-proving node in the game tree. A well-known problem of proof-number search is that it does not account for the effect of transpositions. If the search builds a directed acyclic graph instead of a tree, the same node can be counted more than once, leading to incorrect proof and disproof numbers. While there are exact methods for computing proof numbers in DAG's, they
doi:10.1007/978-3-540-40031-8_7
fatcat:styax22dgzhf3ks32pjbk5me7q