ThisbookcontainsthepaperspresentedattheFirstInternationalConferenceon Computers and Games (CG'98) held at the Electrotechnical Laboratory (ETL), in Tsukuba, Japan, on November 11-12, 1998. TheCG'98focusesonallaspectsofresearchrelatedtocomputersandgames. Relevanttopics include, but arenotlimited to, the currentstate ofgame-playing programs. The book contains new theoretical developments in game-related - search, general scienti c contributions produced by the study of games, social aspects of computer games, mathematical games, cognitive research of how - mans play games, and so on. As this...