On Range of Skill

Thomas Dueholm Hansen, Peter Bro Miltersen, Troels Bjerre Sørensen

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

    2 Citations (Scopus)

    Abstract

    At AAAI'07, Zinkevich, Bowling and Burch introduced the Range of Skill measure of a two-player game and used it as a parameter in the analysis of the running time of an algorithm for finding approximate solutions to such games. They suggested that the Range of Skill of a typical natural game is a small number, but only gave heuristic arguments for this. In this paper, we provide the first methods for rigorously estimating the Range of Skill of a given game. We provide some general, asymptotic bounds that imply that the Range of Skill of a perfectly balanced game tree is almost exponential in its size (and doubly exponential in its depth). We also provide techniques that yield concrete bounds for unbalanced game trees and apply these to estimate the Range of Skill of Tic-Tac-Toe and Heads-Up Limit Texas Hold'em Poker. In particular, we show that the Range of Skill of Tic-Tac-Toe is more than 100,000.
    Original languageEnglish
    Title of host publicationProceedings of the Twenty-Third AAAI Conference on Artificial Intelligence : Constraints, Satisfiability, and Search
    Number of pages6
    PublisherAAAI Press
    Publication date2008
    Pages277-282
    ISBN (Print)978-1-57735-368-3
    Publication statusPublished - 2008
    EventAAAI Conference on Artificial Intelligence - Chicago, Illinois, United States
    Duration: 13 Jul 200817 Jul 2008
    Conference number: 23

    Conference

    ConferenceAAAI Conference on Artificial Intelligence
    Number23
    Country/TerritoryUnited States
    CityChicago, Illinois
    Period13/07/200817/07/2008

    Keywords

    • Game Playing
    • Computational Complexity

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