A Network Game Based on Fair Random Numbers

Authors:
Masaru Kamada;Kaoru Kurosawa;Yasuhiro Ohtaki;Shusuke Okamoto
Affiliations:
The authors are with the Department of Computer and Information Sciences, Ibaraki University, Hitachi-shi, 306--8511 Japan. E-mail: kamada@cis.ibaraki.ac.jp;The authors are with the Department of Computer and Information Sciences, Ibaraki University, Hitachi-shi, 306--8511 Japan. E-mail: kamada@cis.ibaraki.ac.jp;The authors are with the Department of Computer and Information Sciences, Ibaraki University, Hitachi-shi, 306--8511 Japan. E-mail: kamada@cis.ibaraki.ac.jp;The authors are with the Department of Computer and Information Sciences, Ibaraki University, Hitachi-shi, 306--8511 Japan. E-mail: kamada@cis.ibaraki.ac.jp
Venue:
IEICE - Transactions on Information and Systems
Year:
2005

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Abstract

A compromising technique is proposed for deterring clients from cheating by robot players in skill-based real-time network games. This technique is to inject a fair random noise into the manual input for a real-time game modeled as a chaotic dynamical system. The fair random noise is determined by means of the bit commitment protocol so that neither host nor client can control the noise in their favor. A scenario possibly plotted by a robot player for its victory may be spoiled by slight noise injection because of the sensitivity of chaotic systems to the input. The noise injection brings a luck-based factor into a skill-based game. In this sense, the technique proposed in this paper is not a solution but a compromise for the inherent problem of robot players with the skill-based network games. An example implementation of pinball is presented.