Opponent Modeling in Adversarial Environments through Learning Ingenuity

  • Authors:
  • Arash Afkanpour;Saeed Bagheri Shouraki

  • Affiliations:
  • Computer Engineering Department, Sharif University of Technology, Tehran, Iran, {afkanpour, sbagheri}@ce.sharif.edu;Computer Engineering Department, Sharif University of Technology, Tehran, Iran, {afkanpour, sbagheri}@ce.sharif.edu

  • Venue:
  • Proceedings of the 2005 conference on Self-Organization and Autonomic Informatics (I)
  • Year:
  • 2005

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Abstract

In Multiagent systems there are several agents with cooperative or competitive goals. Here, we are especially interested in zero-sum games which contain exactly two players with fully opposite goals. We describe a method based on Maximum-Expected-Utility [7] principle that learns the ingenuity of the opponent based on the moves of the opponent through a game and exploits this knowledge to play better against that opponent. Then we demonstrate an application of proposed method in the popular board game of Connect-4. The results show that the proposed method is superior compared to previous methods for adversarial environments especially when there is not adequate training for appropriate adaptation against an opponent.